City of Henderson (NV) Water Quality

City of Henderson is a large public water system in EPA region 9 that provides tap water for the 89002, 89012, 89015, 89052 zip codes. It has 21 facilities where the water supply was tested for 85 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 29.5 µg/L. The maximum reported level of Manganese was 0.534 µg/L. There were 2 contamintants found in the City of Henderson water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

Jump To Contaminant
1,1-dichloroethane (12)
1,2,3-trichloropropane (12)
1,3-butadiene (12)
1,4-dioxane (12)
1-butanol (9)
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (6)
17-alpha-ethynylestradiol (12)
17-beta-estradiol (12)
1H,1H,2H,2H-perfluorodecane sulfonic acid (6)
1H,1H,2H,2H-perfluorohexane sulfonic acid (6)
1H,1H,2H,2H-perfluorooctane sulfonic acid (6)
2,4-dinitrotoluene (4)
2,6-dinitrotoluene (4)
2-methoxyethanol (9)
2-propen-1-ol (Allyl Alcohol) (9)
4,4'-dichloro dichlorophenyl ethylene (DDE) (4)
4,8-dioxa-3H-perfluorononanoic acid (6)
4-androstene-3,17-dione (12)
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (6)
alpha-hexachlorocyclohexane (8)
anatoxin-a (18)
bromochloromethane (Halon 1011) (12)
bromomethane (12)
Butylated Hydroxyanisole (6)
chlorate (24)
chlorodifluoromethane (HCFC-22) (12)
chloromethane (12)
chlorpyrifos (8)
chromium (24)
chromium-6 (24)
cobalt (24)
cylindrospermopsin (18)
dimethipin (8)
dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (4)
equilin (12)
estriol (12)
estrone (12)
ethoprop (8)
Germanium (9)
HAA5 (five regulated haloacetic acids) (48)
HAA6Br (six brominated haloacetic acids) (48)
HAA9 (nine haloacetic acids) (48)
hexafluoropropylene oxide dimer acid (GenX) (6)
lithium (6)
Manganese (9)
methyl-tertiary-butyl-ether (MTBE) (4)
molinate (4)
molybdenum (24)
N-ethyl perfluorooctanesulfonamidoacetic acid (6)
N-methyl perfluorooctanesulfonamidoacetic acid (6)
nitrobenzene (4)
nonafluoro-3,6-dioxaheptanoic acid (6)
o-toluidine (6)
oxyfluorfen (8)
perchlorate (4)
perfluoro(2-ethoxyethane)sulfonic acid (6)
perfluoro-3-methoxypropanoic acid (6)
perfluoro-4-methoxybutanoic acid (6)
perfluorobutanesulfonic acid (18)
perfluorobutanoic acid (6)
perfluorodecanoic acid (6)
perfluorododecanoic acid (6)
perfluoroheptanesulfonic acid (6)
perfluoroheptanoic acid (18)
perfluorohexanesulfonic acid (18)
perfluorohexanoic acid (6)
perfluorononanoic acid (18)
perfluorooctanesulfonic acid (18)
perfluorooctanoic acid (18)
perfluoropentanesulfonic acid (6)
perfluoropentanoic acid (6)
perfluorotetradecanoic acid (6)
perfluorotridecanoic acid (6)
perfluoroundecanoic acid (6)
profenofos (8)
quinoline (6)
s-ethyl-dipropylthiocarbamate (EPTC) (4)
strontium (24)
tebuconazole (8)
terbacil (4)
testosterone (12)
total microcystins (18)
Total Permethrin (8)
tribufos (8)
vanadium (24)

1,1-dichloroethane (12)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

1,2,3-trichloropropane (12)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

1,3-butadiene (12)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.1 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.1 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.1 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.1 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.1 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.1 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.1 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.1 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.1 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.1 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.1 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.1 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.1 µg/L
Reference Level: ?

Contaminant Details

1,4-dioxane (12)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.07 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.07 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.07 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.07 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.07 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.07 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.07 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.07 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.07 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.07 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.07 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.07 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.07 µg/L
Reference Level: ?

Contaminant Details

1-butanol (9)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<2 µg/L

Below Reporting Level

11/6/2018

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<2 µg/L

Below Reporting Level

11/6/2018

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<2 µg/L

Below Reporting Level

11/6/2018

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<2 µg/L

Below Reporting Level

5/16/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<2 µg/L

Below Reporting Level

5/16/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<2 µg/L

Below Reporting Level

5/16/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<2 µg/L

Below Reporting Level

4/3/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<2 µg/L

Below Reporting Level

4/3/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<2 µg/L

Below Reporting Level

4/3/2018

7 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

17-alpha-ethynylestradiol (12)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0009 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0009 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0009 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0009 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0009 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0009 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0009 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0009 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0009 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0009 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0009 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0009 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.0009 µg/L
Reference Level: ?

Contaminant Details

17-beta-estradiol (12)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0004 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0004 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0004 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0004 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0004 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0004 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0004 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0004 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0004 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0004 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0004 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0004 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.0004 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

2,4-dinitrotoluene (4)

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

8/27/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

5/21/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

2/13/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

2,6-dinitrotoluene (4)

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

8/27/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

5/21/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

2/13/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

2-methoxyethanol (9)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.4 µg/L

Below Reporting Level

11/6/2018

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.4 µg/L

Below Reporting Level

11/6/2018

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.4 µg/L

Below Reporting Level

11/6/2018

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.4 µg/L

Below Reporting Level

5/16/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.4 µg/L

Below Reporting Level

5/16/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.4 µg/L

Below Reporting Level

5/16/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.4 µg/L

Below Reporting Level

4/3/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.4 µg/L

Below Reporting Level

4/3/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.4 µg/L

Below Reporting Level

4/3/2018

7 years ago

Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (9)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.5 µg/L

Below Reporting Level

11/6/2018

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.5 µg/L

Below Reporting Level

11/6/2018

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.5 µg/L

Below Reporting Level

11/6/2018

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.5 µg/L

Below Reporting Level

5/16/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.5 µg/L

Below Reporting Level

5/16/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.5 µg/L

Below Reporting Level

5/16/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.5 µg/L

Below Reporting Level

4/3/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.5 µg/L

Below Reporting Level

4/3/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.5 µg/L

Below Reporting Level

4/3/2018

7 years ago

Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (4)

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<0.8 µg/L

Below Reporting Level

8/27/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<0.8 µg/L

Below Reporting Level

5/21/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<0.8 µg/L

Below Reporting Level

2/13/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<0.8 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 0.8 µg/L
Reference Level: ?

Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

4-androstene-3,17-dione (12)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0003 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0003 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0003 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0003 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0003 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0003 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0003 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0003 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0003 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0003 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0003 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0003 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.0003 µg/L
Reference Level: ?

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.002 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.002 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.002 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.002 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.002 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.002 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.002 µg/L
Reference Level: ?

Contaminant Details

alpha-hexachlorocyclohexane (8)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.01 µg/L

Below Reporting Level

11/6/2018

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.01 µg/L

Below Reporting Level

11/6/2018

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.01 µg/L

Below Reporting Level

11/6/2018

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.01 µg/L

Below Reporting Level

5/16/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.01 µg/L

Below Reporting Level

5/16/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.01 µg/L

Below Reporting Level

2/21/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.01 µg/L

Below Reporting Level

2/21/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.01 µg/L

Below Reporting Level

2/21/2018

7 years ago

Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L

Contaminant Details

anatoxin-a (18)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

11/20/2019

5 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

11/20/2019

5 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/20/2019

5 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

11/7/2019

5 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

11/7/2019

5 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/7/2019

5 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

10/16/2019

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

10/16/2019

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

10/16/2019

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

10/1/2019

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

10/1/2019

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

9/17/2019

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

9/17/2019

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2019

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2019

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

bromochloromethane (Halon 1011) (12)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.06 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.06 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.06 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.06 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.06 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.06 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

0.081 µg/L

⚠️ Exceeds Reporting Level of 0.06 µg/L by 0.021 µg/L

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.06 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.06 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.06 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.06 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.06 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.06 µg/L
Reference Level: ?

Contaminant Details

bromomethane (12)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.2 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.2 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.2 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.2 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.2 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.2 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

Butylated Hydroxyanisole (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

6/7/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

6/7/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

2/21/2018

7 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

chlorate (24)

2764 Liberation Drive

Distribution System ℹ️

140 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 120 µg/L

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

110 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 90 µg/L

2/11/2015

10 years ago

28 Via Mira Monte

Distribution System ℹ️

84 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 64 µg/L

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

58 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 38 µg/L

2/11/2015

10 years ago

335 Oak Canyon Drive

Distribution System ℹ️

57 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 37 µg/L

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<20 µg/L

Below Reporting Level

2/11/2015

10 years ago

2764 Liberation Drive

Distribution System ℹ️

200 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 180 µg/L

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

150 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 130 µg/L

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

140 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 120 µg/L

11/13/2014

10 years ago

335 Oak Canyon Drive

Distribution System ℹ️

130 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 110 µg/L

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

25 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 5 µg/L

11/13/2014

10 years ago

28 Via Mira Monte

Distribution System ℹ️

<20 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

210 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 190 µg/L

8/26/2014

11 years ago

335 Oak Canyon Drive

Distribution System ℹ️

200 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 180 µg/L

8/26/2014

11 years ago

2764 Liberation Drive

Distribution System ℹ️

180 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 160 µg/L

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

110 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 90 µg/L

8/26/2014

11 years ago

28 Via Mira Monte

Distribution System ℹ️

34 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 14 µg/L

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<20 µg/L

Below Reporting Level

8/26/2014

11 years ago

335 Oak Canyon Drive

Distribution System ℹ️

230 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 210 µg/L

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

190 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 170 µg/L

5/19/2014

11 years ago

2764 Liberation Drive

Distribution System ℹ️

180 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 160 µg/L

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

130 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 110 µg/L

5/19/2014

11 years ago

28 Via Mira Monte

Distribution System ℹ️

31 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 11 µg/L

5/19/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<20 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 20 µg/L
Reference Level: ?

Contaminant Details

chlorodifluoromethane (HCFC-22) (12)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.08 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.08 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.08 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.08 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.08 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.08 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.08 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.08 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.08 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.08 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.08 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.08 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.08 µg/L
Reference Level: ?

Contaminant Details

chloromethane (12)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.2 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.2 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.2 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.2 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.2 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.2 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

chlorpyrifos (8)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2018

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2018

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2018

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

2/21/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

2/21/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

2/21/2018

7 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L

Contaminant Details

chromium (24)

28 Via Mira Monte

Distribution System ℹ️

0.36 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.16 µg/L

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

0.33 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.13 µg/L

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

0.33 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.13 µg/L

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

0.33 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.13 µg/L

2/11/2015

10 years ago

335 Oak Canyon Drive

Distribution System ℹ️

0.31 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.11 µg/L

2/11/2015

10 years ago

2764 Liberation Drive

Distribution System ℹ️

0.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.1 µg/L

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

0.36 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.16 µg/L

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

0.32 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.12 µg/L

11/13/2014

10 years ago

335 Oak Canyon Drive

Distribution System ℹ️

0.31 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.11 µg/L

11/13/2014

10 years ago

2764 Liberation Drive

Distribution System ℹ️

0.31 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.11 µg/L

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

0.29 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.09 µg/L

11/13/2014

10 years ago

28 Via Mira Monte

Distribution System ℹ️

0.28 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.08 µg/L

11/13/2014

10 years ago

335 Oak Canyon Drive

Distribution System ℹ️

0.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.2 µg/L

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

0.37 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.17 µg/L

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

0.35 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.15 µg/L

8/26/2014

11 years ago

2764 Liberation Drive

Distribution System ℹ️

0.34 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.14 µg/L

8/26/2014

11 years ago

28 Via Mira Monte

Distribution System ℹ️

0.34 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.14 µg/L

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

0.33 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.13 µg/L

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

335 Oak Canyon Drive

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

2764 Liberation Drive

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

28 Via Mira Monte

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

chromium-6 (24)

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

0.056 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.026 µg/L

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

0.054 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.024 µg/L

2/11/2015

10 years ago

2764 Liberation Drive

Distribution System ℹ️

0.053 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.023 µg/L

2/11/2015

10 years ago

28 Via Mira Monte

Distribution System ℹ️

0.048 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.018 µg/L

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

0.042 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.012 µg/L

2/11/2015

10 years ago

335 Oak Canyon Drive

Distribution System ℹ️

0.042 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.012 µg/L

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

0.064 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.034 µg/L

11/13/2014

10 years ago

2764 Liberation Drive

Distribution System ℹ️

0.058 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.028 µg/L

11/13/2014

10 years ago

28 Via Mira Monte

Distribution System ℹ️

0.058 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.028 µg/L

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

0.055 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.025 µg/L

11/13/2014

10 years ago

335 Oak Canyon Drive

Distribution System ℹ️

0.054 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.024 µg/L

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

0.05 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.02 µg/L

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

0.066 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.036 µg/L

8/26/2014

11 years ago

28 Via Mira Monte

Distribution System ℹ️

0.065 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.035 µg/L

8/26/2014

11 years ago

2764 Liberation Drive

Distribution System ℹ️

0.062 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.032 µg/L

8/26/2014

11 years ago

335 Oak Canyon Drive

Distribution System ℹ️

0.06 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.03 µg/L

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

0.057 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.027 µg/L

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

0.051 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.021 µg/L

8/26/2014

11 years ago

28 Via Mira Monte

Distribution System ℹ️

0.067 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.037 µg/L

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

0.066 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.036 µg/L

5/19/2014

11 years ago

2764 Liberation Drive

Distribution System ℹ️

0.064 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.034 µg/L

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

0.063 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.033 µg/L

5/19/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

0.058 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.028 µg/L

5/19/2014

11 years ago

335 Oak Canyon Drive

Distribution System ℹ️

0.057 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.027 µg/L

5/19/2014

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

cobalt (24)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<1 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<1 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<1 µg/L

Below Reporting Level

2/11/2015

10 years ago

335 Oak Canyon Drive

Distribution System ℹ️

<1 µg/L

Below Reporting Level

2/11/2015

10 years ago

2764 Liberation Drive

Distribution System ℹ️

<1 µg/L

Below Reporting Level

2/11/2015

10 years ago

28 Via Mira Monte

Distribution System ℹ️

<1 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<1 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<1 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<1 µg/L

Below Reporting Level

11/13/2014

10 years ago

335 Oak Canyon Drive

Distribution System ℹ️

<1 µg/L

Below Reporting Level

11/13/2014

10 years ago

2764 Liberation Drive

Distribution System ℹ️

<1 µg/L

Below Reporting Level

11/13/2014

10 years ago

28 Via Mira Monte

Distribution System ℹ️

<1 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<1 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<1 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<1 µg/L

Below Reporting Level

8/26/2014

11 years ago

335 Oak Canyon Drive

Distribution System ℹ️

<1 µg/L

Below Reporting Level

8/26/2014

11 years ago

2764 Liberation Drive

Distribution System ℹ️

<1 µg/L

Below Reporting Level

8/26/2014

11 years ago

28 Via Mira Monte

Distribution System ℹ️

<1 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<1 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<1 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<1 µg/L

Below Reporting Level

5/19/2014

11 years ago

335 Oak Canyon Drive

Distribution System ℹ️

<1 µg/L

Below Reporting Level

5/19/2014

11 years ago

2764 Liberation Drive

Distribution System ℹ️

<1 µg/L

Below Reporting Level

5/19/2014

11 years ago

28 Via Mira Monte

Distribution System ℹ️

<1 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

cylindrospermopsin (18)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.09 µg/L

Below Reporting Level

11/20/2019

5 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.09 µg/L

Below Reporting Level

11/20/2019

5 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.09 µg/L

Below Reporting Level

11/20/2019

5 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.09 µg/L

Below Reporting Level

11/7/2019

5 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.09 µg/L

Below Reporting Level

11/7/2019

5 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.09 µg/L

Below Reporting Level

11/7/2019

5 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.09 µg/L

Below Reporting Level

10/16/2019

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.09 µg/L

Below Reporting Level

10/16/2019

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.09 µg/L

Below Reporting Level

10/16/2019

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.09 µg/L

Below Reporting Level

10/1/2019

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.09 µg/L

Below Reporting Level

10/1/2019

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.09 µg/L

Below Reporting Level

9/17/2019

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.09 µg/L

Below Reporting Level

9/17/2019

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.09 µg/L

Below Reporting Level

8/20/2019

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.09 µg/L

Below Reporting Level

8/20/2019

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.09 µg/L

Below Reporting Level

8/7/2019

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.09 µg/L

Below Reporting Level

8/7/2019

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.09 µg/L

Below Reporting Level

8/7/2019

6 years ago

Minimum Reporting Level: 0.09 µg/L
Reference Level: 0.7 µg/L

Contaminant Details

dimethipin (8)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.2 µg/L

Below Reporting Level

11/6/2018

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.2 µg/L

Below Reporting Level

11/6/2018

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.2 µg/L

Below Reporting Level

11/6/2018

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.2 µg/L

Below Reporting Level

5/16/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.2 µg/L

Below Reporting Level

5/16/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.2 µg/L

Below Reporting Level

2/21/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.2 µg/L

Below Reporting Level

2/21/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.2 µg/L

Below Reporting Level

2/21/2018

7 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (4)

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

8/27/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

5/21/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

2/13/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

equilin (12)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.004 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.004 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.004 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.004 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

estriol (12)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0008 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0008 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0008 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0008 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0008 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0008 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0008 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0008 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0008 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0008 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0008 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0008 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.0008 µg/L
Reference Level: ?

Contaminant Details

estrone (12)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.002 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.002 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.002 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.002 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.002 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.002 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.002 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.002 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.002 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.002 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.002 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.002 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.002 µg/L
Reference Level: ?

Contaminant Details

ethoprop (8)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2018

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2018

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2018

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

2/21/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

2/21/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

2/21/2018

7 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L

Contaminant Details

Germanium (9)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.3 µg/L

Below Reporting Level

11/6/2018

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.3 µg/L

Below Reporting Level

11/6/2018

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.3 µg/L

Below Reporting Level

11/6/2018

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.3 µg/L

Below Reporting Level

5/16/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.3 µg/L

Below Reporting Level

5/16/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.3 µg/L

Below Reporting Level

5/16/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.3 µg/L

Below Reporting Level

2/21/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.3 µg/L

Below Reporting Level

2/21/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.3 µg/L

Below Reporting Level

2/21/2018

7 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

HAA5 (five regulated haloacetic acids) (48)

17 Al Castello Ct

DBP05 ℹ️

29.5 µg/L

Meets Reporting Threshold

11/26/2018

6 years ago

1225 Inca Ln

DBP12 ℹ️

21.9 µg/L

Meets Reporting Threshold

11/26/2018

6 years ago

508 Dutchman Ave

DBP09 ℹ️

20.5 µg/L

Meets Reporting Threshold

11/26/2018

6 years ago

2862 Mahogany Grove

DBP07 ℹ️

20.3 µg/L

Meets Reporting Threshold

11/26/2018

6 years ago

220 N Orleans St

DBP03 ℹ️

20.1 µg/L

Meets Reporting Threshold

11/26/2018

6 years ago

3139 Highview St

DBP06 ℹ️

20 µg/L

Meets Reporting Threshold

11/26/2018

6 years ago

335 Oak Canyon Dr

DBP10 ℹ️

20 µg/L

Meets Reporting Threshold

11/26/2018

6 years ago

2106 Handel Ave

DBP08 ℹ️

18.1 µg/L

Meets Reporting Threshold

11/26/2018

6 years ago

3535 Executive Terminal Dr

DBP01 ℹ️

17.2 µg/L

Meets Reporting Threshold

11/26/2018

6 years ago

2764 Liberation Dr

DBP02 ℹ️

15.9 µg/L

Meets Reporting Threshold

11/26/2018

6 years ago

998 Hunters Run Dr

DBP11 ℹ️

14 µg/L

Meets Reporting Threshold

11/26/2018

6 years ago

2560 Calanques Terrace

DBP04 ℹ️

13.4 µg/L

Meets Reporting Threshold

11/26/2018

6 years ago

1225 Inca Ln

DBP12 ℹ️

26.9 µg/L

Meets Reporting Threshold

8/29/2018

7 years ago

17 Al Castello Ct

DBP05 ℹ️

21.4 µg/L

Meets Reporting Threshold

8/29/2018

7 years ago

3139 Highview St

DBP06 ℹ️

18.7 µg/L

Meets Reporting Threshold

8/29/2018

7 years ago

335 Oak Canyon Dr

DBP10 ℹ️

18 µg/L

Meets Reporting Threshold

8/29/2018

7 years ago

508 Dutchman Ave

DBP09 ℹ️

17.8 µg/L

Meets Reporting Threshold

8/29/2018

7 years ago

220 N Orleans St

DBP03 ℹ️

17.1 µg/L

Meets Reporting Threshold

8/29/2018

7 years ago

2106 Handel Ave

DBP08 ℹ️

16.8 µg/L

Meets Reporting Threshold

8/29/2018

7 years ago

2862 Mahogany Grove

DBP07 ℹ️

16.6 µg/L

Meets Reporting Threshold

8/29/2018

7 years ago

998 Hunters Run Dr

DBP11 ℹ️

16.5 µg/L

Meets Reporting Threshold

8/29/2018

7 years ago

3535 Executive Terminal Dr

DBP01 ℹ️

15.7 µg/L

Meets Reporting Threshold

8/29/2018

7 years ago

2560 Calanques Terrace

DBP04 ℹ️

15.6 µg/L

Meets Reporting Threshold

8/29/2018

7 years ago

2764 Liberation Dr

DBP02 ℹ️

14.9 µg/L

Meets Reporting Threshold

8/29/2018

7 years ago

3139 Highview St

DBP06 ℹ️

23.5 µg/L

Meets Reporting Threshold

5/16/2018

7 years ago

335 Oak Canyon Dr

DBP10 ℹ️

22.5 µg/L

Meets Reporting Threshold

5/16/2018

7 years ago

508 Dutchman Ave

DBP09 ℹ️

21.4 µg/L

Meets Reporting Threshold

5/16/2018

7 years ago

17 Al Castello Ct

DBP05 ℹ️

17.9 µg/L

Meets Reporting Threshold

5/16/2018

7 years ago

2764 Liberation Dr

DBP02 ℹ️

17.6 µg/L

Meets Reporting Threshold

5/16/2018

7 years ago

1225 Inca Ln

DBP12 ℹ️

17.5 µg/L

Meets Reporting Threshold

5/16/2018

7 years ago

220 N Orleans St

DBP03 ℹ️

17.4 µg/L

Meets Reporting Threshold

5/16/2018

7 years ago

2862 Mahogany Grove

DBP07 ℹ️

17.3 µg/L

Meets Reporting Threshold

5/16/2018

7 years ago

2106 Handel Ave

DBP08 ℹ️

17 µg/L

Meets Reporting Threshold

5/16/2018

7 years ago

2560 Calanques Terrace

DBP04 ℹ️

15.3 µg/L

Meets Reporting Threshold

5/16/2018

7 years ago

998 Hunters Run Dr

DBP11 ℹ️

15.1 µg/L

Meets Reporting Threshold

5/16/2018

7 years ago

3535 Executive Terminal Dr

DBP01 ℹ️

13.6 µg/L

Meets Reporting Threshold

5/16/2018

7 years ago

17 Al Castello Ct

DBP05 ℹ️

26.06 µg/L

Meets Reporting Threshold

2/21/2018

7 years ago

1225 Inca Ln

DBP12 ℹ️

25.85 µg/L

Meets Reporting Threshold

2/21/2018

7 years ago

2106 Handel Ave

DBP08 ℹ️

25.24 µg/L

Meets Reporting Threshold

2/21/2018

7 years ago

3139 Highview St

DBP06 ℹ️

24.32 µg/L

Meets Reporting Threshold

2/21/2018

7 years ago

2862 Mahogany Grove

DBP07 ℹ️

23.71 µg/L

Meets Reporting Threshold

2/21/2018

7 years ago

2764 Liberation Dr

DBP02 ℹ️

20.43 µg/L

Meets Reporting Threshold

2/21/2018

7 years ago

220 N Orleans St

DBP03 ℹ️

19.12 µg/L

Meets Reporting Threshold

2/21/2018

7 years ago

2560 Calanques Terrace

DBP04 ℹ️

18.46 µg/L

Meets Reporting Threshold

2/21/2018

7 years ago

508 Dutchman Ave

DBP09 ℹ️

17.1 µg/L

Meets Reporting Threshold

2/21/2018

7 years ago

335 Oak Canyon Dr

DBP10 ℹ️

17.08 µg/L

Meets Reporting Threshold

2/21/2018

7 years ago

998 Hunters Run Dr

DBP11 ℹ️

13.26 µg/L

Meets Reporting Threshold

2/21/2018

7 years ago

3535 Executive Terminal Dr

DBP01 ℹ️

11.258 µg/L

Meets Reporting Threshold

2/21/2018

7 years ago

Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L

Contaminant Details

HAA6Br (six brominated haloacetic acids) (48)

17 Al Castello Ct

DBP05 ℹ️

27.1 µg/L

11/26/2018

6 years ago

220 N Orleans St

DBP03 ℹ️

23.6 µg/L

11/26/2018

6 years ago

1225 Inca Ln

DBP12 ℹ️

21.4 µg/L

11/26/2018

6 years ago

2862 Mahogany Grove

DBP07 ℹ️

21.3 µg/L

11/26/2018

6 years ago

3139 Highview St

DBP06 ℹ️

20.9 µg/L

11/26/2018

6 years ago

508 Dutchman Ave

DBP09 ℹ️

20.7 µg/L

11/26/2018

6 years ago

3535 Executive Terminal Dr

DBP01 ℹ️

20.6 µg/L

11/26/2018

6 years ago

2106 Handel Ave

DBP08 ℹ️

19 µg/L

11/26/2018

6 years ago

2764 Liberation Dr

DBP02 ℹ️

18.8 µg/L

11/26/2018

6 years ago

335 Oak Canyon Dr

DBP10 ℹ️

17.6 µg/L

11/26/2018

6 years ago

2560 Calanques Terrace

DBP04 ℹ️

16.7 µg/L

11/26/2018

6 years ago

998 Hunters Run Dr

DBP11 ℹ️

16.3 µg/L

11/26/2018

6 years ago

1225 Inca Ln

DBP12 ℹ️

22.5 µg/L

8/29/2018

7 years ago

17 Al Castello Ct

DBP05 ℹ️

20.9 µg/L

8/29/2018

7 years ago

508 Dutchman Ave

DBP09 ℹ️

20.4 µg/L

8/29/2018

7 years ago

220 N Orleans St

DBP03 ℹ️

19.8 µg/L

8/29/2018

7 years ago

3139 Highview St

DBP06 ℹ️

17.6 µg/L

8/29/2018

7 years ago

2106 Handel Ave

DBP08 ℹ️

17.2 µg/L

8/29/2018

7 years ago

2862 Mahogany Grove

DBP07 ℹ️

16.8 µg/L

8/29/2018

7 years ago

998 Hunters Run Dr

DBP11 ℹ️

16 µg/L

8/29/2018

7 years ago

3535 Executive Terminal Dr

DBP01 ℹ️

15.8 µg/L

8/29/2018

7 years ago

335 Oak Canyon Dr

DBP10 ℹ️

15.7 µg/L

8/29/2018

7 years ago

2560 Calanques Terrace

DBP04 ℹ️

14.9 µg/L

8/29/2018

7 years ago

2764 Liberation Dr

DBP02 ℹ️

14.3 µg/L

8/29/2018

7 years ago

508 Dutchman Ave

DBP09 ℹ️

21.3 µg/L

5/16/2018

7 years ago

335 Oak Canyon Dr

DBP10 ℹ️

20.7 µg/L

5/16/2018

7 years ago

220 N Orleans St

DBP03 ℹ️

19.7 µg/L

5/16/2018

7 years ago

17 Al Castello Ct

DBP05 ℹ️

19.7 µg/L

5/16/2018

7 years ago

3139 Highview St

DBP06 ℹ️

18.8 µg/L

5/16/2018

7 years ago

2106 Handel Ave

DBP08 ℹ️

17.3 µg/L

5/16/2018

7 years ago

2862 Mahogany Grove

DBP07 ℹ️

17.2 µg/L

5/16/2018

7 years ago

1225 Inca Ln

DBP12 ℹ️

16.2 µg/L

5/16/2018

7 years ago

2764 Liberation Dr

DBP02 ℹ️

15.5 µg/L

5/16/2018

7 years ago

998 Hunters Run Dr

DBP11 ℹ️

15.2 µg/L

5/16/2018

7 years ago

2560 Calanques Terrace

DBP04 ℹ️

14.3 µg/L

5/16/2018

7 years ago

3535 Executive Terminal Dr

DBP01 ℹ️

13.7 µg/L

5/16/2018

7 years ago

1225 Inca Ln

DBP12 ℹ️

21.88 µg/L

2/21/2018

7 years ago

17 Al Castello Ct

DBP05 ℹ️

21.18 µg/L

2/21/2018

7 years ago

2106 Handel Ave

DBP08 ℹ️

20.08 µg/L

2/21/2018

7 years ago

508 Dutchman Ave

DBP09 ℹ️

19.61 µg/L

2/21/2018

7 years ago

220 N Orleans St

DBP03 ℹ️

19.41 µg/L

2/21/2018

7 years ago

2862 Mahogany Grove

DBP07 ℹ️

19.35 µg/L

2/21/2018

7 years ago

3139 Highview St

DBP06 ℹ️

19.19 µg/L

2/21/2018

7 years ago

2764 Liberation Dr

DBP02 ℹ️

16.5 µg/L

2/21/2018

7 years ago

335 Oak Canyon Dr

DBP10 ℹ️

16.18 µg/L

2/21/2018

7 years ago

2560 Calanques Terrace

DBP04 ℹ️

15.38 µg/L

2/21/2018

7 years ago

998 Hunters Run Dr

DBP11 ℹ️

14.98 µg/L

2/21/2018

7 years ago

3535 Executive Terminal Dr

DBP01 ℹ️

11.518 µg/L

2/21/2018

7 years ago

Minimum Reporting Level: 0 µg/L
Reference Level: ?

Contaminant Details

HAA9 (nine haloacetic acids) (48)

17 Al Castello Ct

DBP05 ℹ️

53.3 µg/L

11/26/2018

6 years ago

220 N Orleans St

DBP03 ℹ️

40.9 µg/L

11/26/2018

6 years ago

1225 Inca Ln

DBP12 ℹ️

40.4 µg/L

11/26/2018

6 years ago

2862 Mahogany Grove

DBP07 ℹ️

38.6 µg/L

11/26/2018

6 years ago

508 Dutchman Ave

DBP09 ℹ️

38.5 µg/L

11/26/2018

6 years ago

3139 Highview St

DBP06 ℹ️

38.3 µg/L

11/26/2018

6 years ago

3535 Executive Terminal Dr

DBP01 ℹ️

35.4 µg/L

11/26/2018

6 years ago

335 Oak Canyon Dr

DBP10 ℹ️

35 µg/L

11/26/2018

6 years ago

2106 Handel Ave

DBP08 ℹ️

34.2 µg/L

11/26/2018

6 years ago

2764 Liberation Dr

DBP02 ℹ️

32.7 µg/L

11/26/2018

6 years ago

2560 Calanques Terrace

DBP04 ℹ️

28.5 µg/L

11/26/2018

6 years ago

998 Hunters Run Dr

DBP11 ℹ️

27.8 µg/L

11/26/2018

6 years ago

1225 Inca Ln

DBP12 ℹ️

46.5 µg/L

8/29/2018

7 years ago

17 Al Castello Ct

DBP05 ℹ️

39.6 µg/L

8/29/2018

7 years ago

508 Dutchman Ave

DBP09 ℹ️

35.6 µg/L

8/29/2018

7 years ago

220 N Orleans St

DBP03 ℹ️

34.4 µg/L

8/29/2018

7 years ago

3139 Highview St

DBP06 ℹ️

33.5 µg/L

8/29/2018

7 years ago

2106 Handel Ave

DBP08 ℹ️

31.3 µg/L

8/29/2018

7 years ago

335 Oak Canyon Dr

DBP10 ℹ️

31 µg/L

8/29/2018

7 years ago

2862 Mahogany Grove

DBP07 ℹ️

30.7 µg/L

8/29/2018

7 years ago

998 Hunters Run Dr

DBP11 ℹ️

29.9 µg/L

8/29/2018

7 years ago

3535 Executive Terminal Dr

DBP01 ℹ️

29.3 µg/L

8/29/2018

7 years ago

2560 Calanques Terrace

DBP04 ℹ️

28.7 µg/L

8/29/2018

7 years ago

2764 Liberation Dr

DBP02 ℹ️

27.4 µg/L

8/29/2018

7 years ago

335 Oak Canyon Dr

DBP10 ℹ️

40.2 µg/L

5/16/2018

7 years ago

508 Dutchman Ave

DBP09 ℹ️

39.7 µg/L

5/16/2018

7 years ago

3139 Highview St

DBP06 ℹ️

39.2 µg/L

5/16/2018

7 years ago

17 Al Castello Ct

DBP05 ℹ️

34.8 µg/L

5/16/2018

7 years ago

220 N Orleans St

DBP03 ℹ️

34.3 µg/L

5/16/2018

7 years ago

1225 Inca Ln

DBP12 ℹ️

31.9 µg/L

5/16/2018

7 years ago

2862 Mahogany Grove

DBP07 ℹ️

31.6 µg/L

5/16/2018

7 years ago

2106 Handel Ave

DBP08 ℹ️

31.4 µg/L

5/16/2018

7 years ago

2764 Liberation Dr

DBP02 ℹ️

31 µg/L

5/16/2018

7 years ago

2560 Calanques Terrace

DBP04 ℹ️

27.9 µg/L

5/16/2018

7 years ago

998 Hunters Run Dr

DBP11 ℹ️

27.6 µg/L

5/16/2018

7 years ago

3535 Executive Terminal Dr

DBP01 ℹ️

25.5 µg/L

5/16/2018

7 years ago

1225 Inca Ln

DBP12 ℹ️

45.07 µg/L

2/21/2018

7 years ago

17 Al Castello Ct

DBP05 ℹ️

44.86 µg/L

2/21/2018

7 years ago

2106 Handel Ave

DBP08 ℹ️

42.54 µg/L

2/21/2018

7 years ago

3139 Highview St

DBP06 ℹ️

40.81 µg/L

2/21/2018

7 years ago

2862 Mahogany Grove

DBP07 ℹ️

40.35 µg/L

2/21/2018

7 years ago

220 N Orleans St

DBP03 ℹ️

36.13 µg/L

2/21/2018

7 years ago

2764 Liberation Dr

DBP02 ℹ️

35.1 µg/L

2/21/2018

7 years ago

508 Dutchman Ave

DBP09 ℹ️

34.28 µg/L

2/21/2018

7 years ago

2560 Calanques Terrace

DBP04 ℹ️

32.28 µg/L

2/21/2018

7 years ago

335 Oak Canyon Dr

DBP10 ℹ️

31.02 µg/L

2/21/2018

7 years ago

998 Hunters Run Dr

DBP11 ℹ️

25.88 µg/L

2/21/2018

7 years ago

3535 Executive Terminal Dr

DBP01 ℹ️

21.928 µg/L

2/21/2018

7 years ago

Minimum Reporting Level: 0 µg/L
Reference Level: ?

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

lithium (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

42.5 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 33.5 µg/L

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

39 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 30 µg/L

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

50.9 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 41.9 µg/L

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

50.3 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 41.3 µg/L

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

57.8 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 48.8 µg/L

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

52.2 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 43.2 µg/L

9/18/2024

13 months ago

Minimum Reporting Level: 9 µg/L
Reference Level: ?

Contaminant Details

Manganese (9)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.4 µg/L

Below Reporting Level

11/6/2018

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.4 µg/L

Below Reporting Level

11/6/2018

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.4 µg/L

Below Reporting Level

11/6/2018

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

0.534 µg/L

Meets Reporting Threshold

5/16/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.4 µg/L

Below Reporting Level

5/16/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.4 µg/L

Below Reporting Level

5/16/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.4 µg/L

Below Reporting Level

2/21/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.4 µg/L

Below Reporting Level

2/21/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.4 µg/L

Below Reporting Level

2/21/2018

7 years ago

Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (4)

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<5 µg/L

Below Reporting Level

8/27/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<5 µg/L

Below Reporting Level

5/21/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<5 µg/L

Below Reporting Level

2/13/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<5 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 5 µg/L
Reference Level: ?

Contaminant Details

molinate (4)

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<0.9 µg/L

Below Reporting Level

8/27/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<0.9 µg/L

Below Reporting Level

5/21/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<0.9 µg/L

Below Reporting Level

2/13/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<0.9 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 0.9 µg/L
Reference Level: ?

Contaminant Details

molybdenum (24)

28 Via Mira Monte

Distribution System ℹ️

5.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.1 µg/L

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4 µg/L

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4 µg/L

2/11/2015

10 years ago

335 Oak Canyon Drive

Distribution System ℹ️

5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4 µg/L

2/11/2015

10 years ago

2764 Liberation Drive

Distribution System ℹ️

4.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.9 µg/L

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

4.8 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.8 µg/L

2/11/2015

10 years ago

335 Oak Canyon Drive

Distribution System ℹ️

5.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.3 µg/L

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

5.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.2 µg/L

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

5.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.1 µg/L

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4 µg/L

11/13/2014

10 years ago

2764 Liberation Drive

Distribution System ℹ️

5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4 µg/L

11/13/2014

10 years ago

28 Via Mira Monte

Distribution System ℹ️

4.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.7 µg/L

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

5.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.2 µg/L

8/26/2014

11 years ago

335 Oak Canyon Drive

Distribution System ℹ️

5.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.2 µg/L

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

4.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.5 µg/L

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

4.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.4 µg/L

8/26/2014

11 years ago

28 Via Mira Monte

Distribution System ℹ️

4.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.4 µg/L

8/26/2014

11 years ago

2764 Liberation Drive

Distribution System ℹ️

4.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.3 µg/L

8/26/2014

11 years ago

335 Oak Canyon Drive

Distribution System ℹ️

4.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.2 µg/L

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3 µg/L

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3 µg/L

5/19/2014

11 years ago

28 Via Mira Monte

Distribution System ℹ️

4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3 µg/L

5/19/2014

11 years ago

2764 Liberation Drive

Distribution System ℹ️

3.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.9 µg/L

5/19/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

3.8 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.8 µg/L

5/19/2014

11 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.006 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.006 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.006 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.006 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.006 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.006 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.006 µg/L
Reference Level: ?

Contaminant Details

nitrobenzene (4)

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<10 µg/L

Below Reporting Level

8/27/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<10 µg/L

Below Reporting Level

5/21/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<10 µg/L

Below Reporting Level

2/13/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<10 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 10 µg/L
Reference Level: ?

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.02 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.02 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.02 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.02 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.02 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.02 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.02 µg/L
Reference Level: ?

Contaminant Details

o-toluidine (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.007 µg/L

Below Reporting Level

6/7/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.007 µg/L

Below Reporting Level

6/7/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.007 µg/L

Below Reporting Level

5/16/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.007 µg/L

Below Reporting Level

5/16/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.007 µg/L

Below Reporting Level

5/16/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.007 µg/L

Below Reporting Level

2/21/2018

7 years ago

Minimum Reporting Level: 0.007 µg/L
Reference Level: ?

Contaminant Details

oxyfluorfen (8)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.05 µg/L

Below Reporting Level

11/6/2018

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.05 µg/L

Below Reporting Level

11/6/2018

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.05 µg/L

Below Reporting Level

11/6/2018

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.05 µg/L

Below Reporting Level

5/16/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.05 µg/L

Below Reporting Level

5/16/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.05 µg/L

Below Reporting Level

2/21/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.05 µg/L

Below Reporting Level

2/21/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.05 µg/L

Below Reporting Level

2/21/2018

7 years ago

Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L

Contaminant Details

perchlorate (4)

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

5.9 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 1.9 µg/L

8/27/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

9.5 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 5.5 µg/L

5/21/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

13 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 9 µg/L

2/13/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

23 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 19 µg/L

11/19/2002

22 years ago

Minimum Reporting Level: 4 µg/L
Reference Level: ?

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoro-3-methoxypropanoic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoro-4-methoxybutanoic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorobutanesulfonic acid (18)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

9/18/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.09 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.09 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.09 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.09 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.09 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.09 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.09 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.09 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.09 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.09 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.09 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.09 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorobutanoic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.005 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.005 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

perfluorodecanoic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorododecanoic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoroheptanesulfonic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoroheptanoic acid (18)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

9/18/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.01 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.01 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.01 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.01 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.01 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.01 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.01 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.01 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.01 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.01 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.01 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.01 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorohexanesulfonic acid (18)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

9/18/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.03 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.03 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorohexanoic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorononanoic acid (18)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

9/18/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.02 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.02 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.02 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.02 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.02 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.02 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.02 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.02 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.02 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.02 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.02 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.02 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluorooctanesulfonic acid (18)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

9/18/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.04 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.04 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.04 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.04 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.04 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.04 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.04 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.04 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.04 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.04 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.04 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.04 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluorooctanoic acid (18)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

9/18/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.02 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.02 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.02 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.02 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.02 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.02 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.02 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.02 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.02 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.02 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.02 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.02 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoropentanesulfonic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.004 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.004 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoropentanoic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.003 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.003 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorotetradecanoic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.008 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.008 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.008 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.008 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.008 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.008 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.008 µg/L
Reference Level: ?

Contaminant Details

perfluorotridecanoic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.007 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.007 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.007 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.007 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.007 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.007 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.007 µg/L
Reference Level: ?

Contaminant Details

perfluoroundecanoic acid (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.002 µg/L

Below Reporting Level

3/18/2025

7 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.002 µg/L

Below Reporting Level

3/6/2025

7 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.002 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.002 µg/L

Below Reporting Level

12/11/2024

10 months ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.002 µg/L

Below Reporting Level

9/24/2024

13 months ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.002 µg/L

Below Reporting Level

9/18/2024

13 months ago

Minimum Reporting Level: 0.002 µg/L
Reference Level: ?

Contaminant Details

profenofos (8)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.3 µg/L

Below Reporting Level

11/6/2018

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.3 µg/L

Below Reporting Level

11/6/2018

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.3 µg/L

Below Reporting Level

11/6/2018

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.3 µg/L

Below Reporting Level

5/16/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.3 µg/L

Below Reporting Level

5/16/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.3 µg/L

Below Reporting Level

2/21/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.3 µg/L

Below Reporting Level

2/21/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.3 µg/L

Below Reporting Level

2/21/2018

7 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L

Contaminant Details

quinoline (6)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.02 µg/L

Below Reporting Level

6/7/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.02 µg/L

Below Reporting Level

6/7/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.02 µg/L

Below Reporting Level

5/16/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.02 µg/L

Below Reporting Level

5/16/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.02 µg/L

Below Reporting Level

5/16/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.02 µg/L

Below Reporting Level

2/21/2018

7 years ago

Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (4)

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

8/27/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

5/21/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

2/13/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

strontium (24)

28 Via Mira Monte

Distribution System ℹ️

1300 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1299.7 µg/L

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

1200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1199.7 µg/L

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

1200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1199.7 µg/L

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

1200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1199.7 µg/L

2/11/2015

10 years ago

335 Oak Canyon Drive

Distribution System ℹ️

1200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1199.7 µg/L

2/11/2015

10 years ago

2764 Liberation Drive

Distribution System ℹ️

1200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1199.7 µg/L

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

1400 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1399.7 µg/L

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

1300 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1299.7 µg/L

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

1300 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1299.7 µg/L

11/13/2014

10 years ago

335 Oak Canyon Drive

Distribution System ℹ️

1300 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1299.7 µg/L

11/13/2014

10 years ago

2764 Liberation Drive

Distribution System ℹ️

1300 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1299.7 µg/L

11/13/2014

10 years ago

28 Via Mira Monte

Distribution System ℹ️

1200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1199.7 µg/L

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

1300 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1299.7 µg/L

8/26/2014

11 years ago

335 Oak Canyon Drive

Distribution System ℹ️

1300 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1299.7 µg/L

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

1200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1199.7 µg/L

8/26/2014

11 years ago

28 Via Mira Monte

Distribution System ℹ️

1200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1199.7 µg/L

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

1100 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1099.7 µg/L

8/26/2014

11 years ago

2764 Liberation Drive

Distribution System ℹ️

1100 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1099.7 µg/L

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

1000 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 999.7 µg/L

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

1000 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 999.7 µg/L

5/19/2014

11 years ago

335 Oak Canyon Drive

Distribution System ℹ️

1000 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 999.7 µg/L

5/19/2014

11 years ago

2764 Liberation Drive

Distribution System ℹ️

1000 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 999.7 µg/L

5/19/2014

11 years ago

28 Via Mira Monte

Distribution System ℹ️

1000 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 999.7 µg/L

5/19/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

970 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 969.7 µg/L

5/19/2014

11 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

tebuconazole (8)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.2 µg/L

Below Reporting Level

11/6/2018

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.2 µg/L

Below Reporting Level

11/6/2018

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.2 µg/L

Below Reporting Level

11/6/2018

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.2 µg/L

Below Reporting Level

5/16/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.2 µg/L

Below Reporting Level

5/16/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.2 µg/L

Below Reporting Level

2/21/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.2 µg/L

Below Reporting Level

2/21/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.2 µg/L

Below Reporting Level

2/21/2018

7 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L

Contaminant Details

terbacil (4)

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

8/27/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

5/21/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

2/13/2003

22 years ago

HENDERSON WATER TREATMENT PLANT EP04

HENDERSON WATER TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

testosterone (12)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0001 µg/L

Below Reporting Level

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0001 µg/L

Below Reporting Level

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0001 µg/L

Below Reporting Level

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0001 µg/L

Below Reporting Level

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0001 µg/L

Below Reporting Level

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0001 µg/L

Below Reporting Level

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0001 µg/L

Below Reporting Level

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0001 µg/L

Below Reporting Level

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0001 µg/L

Below Reporting Level

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.0001 µg/L

Below Reporting Level

5/19/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.0001 µg/L

Below Reporting Level

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.0001 µg/L

Below Reporting Level

5/19/2014

11 years ago

Minimum Reporting Level: 0.0001 µg/L
Reference Level: ?

Contaminant Details

total microcystins (18)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.3 µg/L

Below Reporting Level

11/20/2019

5 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.3 µg/L

Below Reporting Level

11/20/2019

5 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.3 µg/L

Below Reporting Level

11/20/2019

5 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.3 µg/L

Below Reporting Level

11/7/2019

5 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.3 µg/L

Below Reporting Level

11/7/2019

5 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.3 µg/L

Below Reporting Level

11/7/2019

5 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.3 µg/L

Below Reporting Level

10/16/2019

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.3 µg/L

Below Reporting Level

10/16/2019

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.3 µg/L

Below Reporting Level

10/16/2019

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.3 µg/L

Below Reporting Level

10/1/2019

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.3 µg/L

Below Reporting Level

10/1/2019

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.3 µg/L

Below Reporting Level

9/17/2019

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.3 µg/L

Below Reporting Level

9/17/2019

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.3 µg/L

Below Reporting Level

8/20/2019

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.3 µg/L

Below Reporting Level

8/20/2019

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

Total Permethrin (8)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.04 µg/L

Below Reporting Level

11/6/2018

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.04 µg/L

Below Reporting Level

11/6/2018

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.04 µg/L

Below Reporting Level

11/6/2018

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.04 µg/L

Below Reporting Level

5/16/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.04 µg/L

Below Reporting Level

5/16/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.04 µg/L

Below Reporting Level

2/21/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.04 µg/L

Below Reporting Level

2/21/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.04 µg/L

Below Reporting Level

2/21/2018

7 years ago

Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L

Contaminant Details

tribufos (8)

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.07 µg/L

Below Reporting Level

11/6/2018

6 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.07 µg/L

Below Reporting Level

11/6/2018

6 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.07 µg/L

Below Reporting Level

11/6/2018

6 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.07 µg/L

Below Reporting Level

5/16/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.07 µg/L

Below Reporting Level

5/16/2018

7 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

<0.07 µg/L

Below Reporting Level

2/21/2018

7 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

<0.07 µg/L

Below Reporting Level

2/21/2018

7 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

<0.07 µg/L

Below Reporting Level

2/21/2018

7 years ago

Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L

Contaminant Details

vanadium (24)

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

1.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.6 µg/L

2/11/2015

10 years ago

2764 Liberation Drive

Distribution System ℹ️

1.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.6 µg/L

2/11/2015

10 years ago

28 Via Mira Monte

Distribution System ℹ️

1.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.6 µg/L

2/11/2015

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.4 µg/L

2/11/2015

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

0.97 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.77 µg/L

2/11/2015

10 years ago

335 Oak Canyon Drive

Distribution System ℹ️

0.95 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.75 µg/L

2/11/2015

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.8 µg/L

11/13/2014

10 years ago

2764 Liberation Drive

Distribution System ℹ️

1.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.7 µg/L

11/13/2014

10 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

1.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.5 µg/L

11/13/2014

10 years ago

28 Via Mira Monte

Distribution System ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.4 µg/L

11/13/2014

10 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L

11/13/2014

10 years ago

335 Oak Canyon Drive

Distribution System ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L

11/13/2014

10 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

1.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.6 µg/L

8/26/2014

11 years ago

2764 Liberation Drive

Distribution System ℹ️

1.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.6 µg/L

8/26/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

1.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.5 µg/L

8/26/2014

11 years ago

28 Via Mira Monte

Distribution System ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.4 µg/L

8/26/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L

8/26/2014

11 years ago

335 Oak Canyon Drive

Distribution System ℹ️

1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.8 µg/L

8/26/2014

11 years ago

872 W. Horizon Ridge

Parkway ROFCS (RM) ℹ️

1.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.5 µg/L

5/19/2014

11 years ago

2764 Liberation Drive

Distribution System ℹ️

1.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.5 µg/L

5/19/2014

11 years ago

710 N. Gibson Rd.

Gibson ROFCS (AMS) ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L

5/19/2014

11 years ago

28 Via Mira Monte

Distribution System ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L

5/19/2014

11 years ago

Finished Water

Lake Mead Surface Water Plant ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L

5/19/2014

11 years ago

335 Oak Canyon Drive

Distribution System ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L

5/19/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

Sampling Facilities

Gibson ROFCS (AMS)
Surface Water (SW)

710 N. Gibson Rd.Entry Point to the Distribution System (EP)

Parkway ROFCS (RM)
Surface Water (SW)

872 W. Horizon RidgeEntry Point to the Distribution System (EP)

Lake Mead Surface Water Plant
Surface Water (SW)

Finished WaterEntry Point to the Distribution System (EP)

DBP01
Surface Water (SW)

3535 Executive Terminal DrDistribution System (DS)

DBP02
Surface Water (SW)

2764 Liberation DrDistribution System (DS)

DBP03
Surface Water (SW)

220 N Orleans StDistribution System (DS)

DBP04
Surface Water (SW)

2560 Calanques TerraceDistribution System (DS)

DBP05
Surface Water (SW)

17 Al Castello CtDistribution System (DS)

DBP06
Surface Water (SW)

3139 Highview StDistribution System (DS)

DBP07
Surface Water (SW)

2862 Mahogany GroveDistribution System (DS)

DBP08
Surface Water (SW)

2106 Handel AveDistribution System (DS)

DBP09
Surface Water (SW)

508 Dutchman AveDistribution System (DS)

DBP10
Surface Water (SW)

335 Oak Canyon DrDistribution System (DS)

DBP11
Surface Water (SW)

998 Hunters Run DrDistribution System (DS)

DBP12
Surface Water (SW)

1225 Inca LnDistribution System (DS)

Distribution System
Surface Water (SW)

335 Oak Canyon DriveMaximum Residence Time (MR)

Distribution System
Surface Water (SW)

2764 Liberation DriveMaximum Residence Time (MR)

Distribution System
Surface Water (SW)

28 Via Mira MonteMaximum Residence Time (MR)

Pump Station 12
Surface Water (SW)

Berlin AvenueEntry Point to the Distribution System (EP)

Reservoir R18
Surface Water (SW)

Carmichael WayEntry Point to the Distribution System (EP)

HENDERSON WATER TREATMENT PLANT
Surface Water (SW)

HENDERSON WATER TREATMENT PLANT EP04Entry Point to the Distribution System (EP)

FAQ

Is City of Henderson tap water safe to drink?

When was City of Henderson last tested for water contamination?

The latest water samples were taken on March 18th, 2025.