City of Galveston (TX) Water Quality

City of Galveston is a large public water system in EPA region 6 that provides tap water for the 77550 - 77555 zip codes. It has 7 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 38.05 µg/L. The maximum reported level of Manganese was 1.5 µg/L. There were 2 contamintants found in the City of Galveston water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

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

1,1-dichloroethane (4)

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.03 µg/L

Below Reporting Level

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.03 µg/L

Below Reporting Level

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.03 µg/L

Below Reporting Level

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.03 µg/L

Below Reporting Level

1/22/2015

10 years ago

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

Contaminant Details

1,2,3-trichloropropane (4)

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.03 µg/L

Below Reporting Level

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.03 µg/L

Below Reporting Level

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.03 µg/L

Below Reporting Level

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.03 µg/L

Below Reporting Level

1/22/2015

10 years ago

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

Contaminant Details

1,3-butadiene (4)

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.1 µg/L

Below Reporting Level

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.1 µg/L

Below Reporting Level

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.1 µg/L

Below Reporting Level

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.1 µg/L

Below Reporting Level

1/22/2015

10 years ago

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

Contaminant Details

1,4-dioxane (4)

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.07 µg/L

Below Reporting Level

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.07 µg/L

Below Reporting Level

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.07 µg/L

Below Reporting Level

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

0.0863 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.0163 µg/L

1/22/2015

10 years ago

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

Contaminant Details

1-butanol (4)

30th PS

30th Street Pump Station ℹ️

<2 µg/L

Below Reporting Level

10/22/2020

4 years ago

30th PS

30th Street Pump Station ℹ️

<2 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<2 µg/L

Below Reporting Level

4/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<2 µg/L

Below Reporting Level

1/15/2020

5 years ago

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

Contaminant Details

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

30th PS

30th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

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

30th PS

30th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

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

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

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

30th PS

30th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

2,4-dinitrotoluene (1)

ALTA_LOMA_PLANT

ALTA LOMA PLANT ℹ️

<2 µg/L

Below Reporting Level

5/8/2001

24 years ago

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

Contaminant Details

2,6-dinitrotoluene (1)

ALTA_LOMA_PLANT

ALTA LOMA PLANT ℹ️

<2 µg/L

Below Reporting Level

5/8/2001

24 years ago

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

Contaminant Details

2-methoxyethanol (4)

30th PS

30th Street Pump Station ℹ️

<0.4 µg/L

Below Reporting Level

10/22/2020

4 years ago

30th PS

30th Street Pump Station ℹ️

<0.4 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.4 µg/L

Below Reporting Level

4/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.4 µg/L

Below Reporting Level

1/15/2020

5 years ago

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

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (4)

30th PS

30th Street Pump Station ℹ️

<0.5 µg/L

Below Reporting Level

10/22/2020

4 years ago

30th PS

30th Street Pump Station ℹ️

<0.5 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.5 µg/L

Below Reporting Level

4/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.5 µg/L

Below Reporting Level

1/15/2020

5 years ago

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

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (1)

ALTA_LOMA_PLANT

ALTA LOMA PLANT ℹ️

<0.8 µg/L

Below Reporting Level

5/8/2001

24 years ago

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

Contaminant Details

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

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

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

30th PS

30th Street Pump Station ℹ️

<0.002 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.002 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.002 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.002 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.002 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.002 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

alpha-hexachlorocyclohexane (4)

30th PS

30th Street Pump Station ℹ️

<0.01 µg/L

Below Reporting Level

10/22/2020

4 years ago

30th PS

30th Street Pump Station ℹ️

<0.01 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.01 µg/L

Below Reporting Level

4/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.01 µg/L

Below Reporting Level

1/15/2020

5 years ago

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

Contaminant Details

anatoxin-a (6)

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

6/24/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

6/8/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

4/13/2020

5 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (4)

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.06 µg/L

Below Reporting Level

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

0.27 µg/L

⚠️ Exceeds Reporting Level of 0.06 µg/L by 0.21 µg/L

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

0.062 µg/L

⚠️ Exceeds Reporting Level of 0.06 µg/L by 0.002 µg/L

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.06 µg/L

Below Reporting Level

1/22/2015

10 years ago

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

Contaminant Details

bromomethane (4)

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.2 µg/L

Below Reporting Level

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.2 µg/L

Below Reporting Level

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.2 µg/L

Below Reporting Level

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.2 µg/L

Below Reporting Level

1/22/2015

10 years ago

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

Contaminant Details

Butylated Hydroxyanisole (4)

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

10/22/2020

4 years ago

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

4/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

1/15/2020

5 years ago

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

Contaminant Details

chlorate (8)

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

48.1 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 28.1 µg/L

12/21/2015

9 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

44.2 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 24.2 µg/L

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

98.2 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 78.2 µg/L

7/21/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

83.2 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 63.2 µg/L

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

128 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 108 µg/L

4/8/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

124 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 104 µg/L

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

121 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 101 µg/L

1/22/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

97.2 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 77.2 µg/L

1/22/2015

10 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (4)

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.08 µg/L

Below Reporting Level

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.08 µg/L

Below Reporting Level

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.08 µg/L

Below Reporting Level

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.08 µg/L

Below Reporting Level

1/22/2015

10 years ago

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

Contaminant Details

chloromethane (4)

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.2 µg/L

Below Reporting Level

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.2 µg/L

Below Reporting Level

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.2 µg/L

Below Reporting Level

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.2 µg/L

Below Reporting Level

1/22/2015

10 years ago

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

Contaminant Details

chlorpyrifos (4)

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

10/22/2020

4 years ago

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

4/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

1/15/2020

5 years ago

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

Contaminant Details

chromium (8)

DSMRT for GCWA TX City

Distribution System - SW ℹ️

0.795 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.595 µg/L

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.2 µg/L

Below Reporting Level

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.2 µg/L

Below Reporting Level

7/21/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

<0.2 µg/L

Below Reporting Level

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.2 µg/L

Below Reporting Level

4/8/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

<0.2 µg/L

Below Reporting Level

4/8/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

0.401 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.201 µg/L

1/22/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.2 µg/L

Below Reporting Level

1/22/2015

10 years ago

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

Contaminant Details

chromium-6 (8)

DSMRT for GCWA TX City

Distribution System - SW ℹ️

0.45 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.42 µg/L

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.03 µg/L

Below Reporting Level

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.03 µg/L

Below Reporting Level

7/21/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

<0.03 µg/L

Below Reporting Level

7/21/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

0.0317 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.0017 µg/L

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.03 µg/L

Below Reporting Level

4/8/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

0.107 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.077 µg/L

1/22/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

0.0414 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.0114 µg/L

1/22/2015

10 years ago

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

Contaminant Details

cobalt (8)

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<1 µg/L

Below Reporting Level

12/21/2015

9 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<1 µg/L

Below Reporting Level

7/21/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<1 µg/L

Below Reporting Level

4/8/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<1 µg/L

Below Reporting Level

1/22/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

1/22/2015

10 years ago

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

Contaminant Details

cylindrospermopsin (6)

30th PS

30th Street Pump Station ℹ️

<0.09 µg/L

Below Reporting Level

7/16/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.09 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.09 µg/L

Below Reporting Level

6/24/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.09 µg/L

Below Reporting Level

6/8/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.09 µg/L

Below Reporting Level

5/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.09 µg/L

Below Reporting Level

4/13/2020

5 years ago

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

Contaminant Details

dimethipin (4)

30th PS

30th Street Pump Station ℹ️

<0.2 µg/L

Below Reporting Level

10/22/2020

4 years ago

30th PS

30th Street Pump Station ℹ️

<0.2 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.2 µg/L

Below Reporting Level

4/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.2 µg/L

Below Reporting Level

1/15/2020

5 years ago

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

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (1)

ALTA_LOMA_PLANT

ALTA LOMA PLANT ℹ️

<1 µg/L

Below Reporting Level

5/8/2001

24 years ago

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

Contaminant Details

ethoprop (4)

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

10/22/2020

4 years ago

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

4/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.03 µg/L

Below Reporting Level

1/15/2020

5 years ago

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

Contaminant Details

Germanium (4)

30th PS

30th Street Pump Station ℹ️

<0.3 µg/L

Below Reporting Level

10/22/2020

4 years ago

30th PS

30th Street Pump Station ℹ️

<0.3 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.3 µg/L

Below Reporting Level

4/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.3 µg/L

Below Reporting Level

1/15/2020

5 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (31)

12202 San Luis Pass Road

Distribution System ℹ️

38.05 µg/L

⚠️ Exceeds 50% of Reference Level

10/22/2020

4 years ago

8610 Seawall Blvd.

Distribution System ℹ️

36.28 µg/L

⚠️ Exceeds 50% of Reference Level

10/22/2020

4 years ago

1302 Avenue J

Distribution System ℹ️

32.227 µg/L

⚠️ Exceeds 50% of Reference Level

10/22/2020

4 years ago

115 Avenue B

Distribution System ℹ️

30.228 µg/L

⚠️ Exceeds 50% of Reference Level

10/22/2020

4 years ago

12000 Sportsman Road

Distribution System ℹ️

16.358 µg/L

Meets Reporting Threshold

10/22/2020

4 years ago

27020 2A Estuary Drive (HB)

Distribution System ℹ️

13.666 µg/L

Meets Reporting Threshold

10/22/2020

4 years ago

1516 Harbor View Circle

Distribution System ℹ️

12.595 µg/L

Meets Reporting Threshold

10/22/2020

4 years ago

26735 Baywater Drive

Distribution System ℹ️

12.17 µg/L

Meets Reporting Threshold

10/22/2020

4 years ago

8610 Seawall Blvd.

Distribution System ℹ️

17.46 µg/L

Meets Reporting Threshold

7/9/2020

5 years ago

27020 2A Estuary Drive (HB)

Distribution System ℹ️

12.018 µg/L

Meets Reporting Threshold

7/9/2020

5 years ago

12202 San Luis Pass Road

Distribution System ℹ️

10.693 µg/L

Meets Reporting Threshold

7/9/2020

5 years ago

1516 Harbor View Circle

Distribution System ℹ️

5.728 µg/L

Meets Reporting Threshold

7/9/2020

5 years ago

1302 Avenue J

Distribution System ℹ️

5.604 µg/L

Meets Reporting Threshold

7/9/2020

5 years ago

115 Avenue B

Distribution System ℹ️

4.764 µg/L

Meets Reporting Threshold

7/9/2020

5 years ago

12000 Sportsman Road

Distribution System ℹ️

3.056 µg/L

Meets Reporting Threshold

7/9/2020

5 years ago

26735 Baywater Drive

Distribution System ℹ️

11.291 µg/L

Meets Reporting Threshold

5/14/2020

5 years ago

27020 2A Estuary Drive (HB)

Distribution System ℹ️

19.95 µg/L

Meets Reporting Threshold

4/13/2020

5 years ago

8610 Seawall Blvd.

Distribution System ℹ️

17.96 µg/L

Meets Reporting Threshold

4/13/2020

5 years ago

12202 San Luis Pass Road

Distribution System ℹ️

15.28 µg/L

Meets Reporting Threshold

4/13/2020

5 years ago

1302 Avenue J

Distribution System ℹ️

15.25 µg/L

Meets Reporting Threshold

4/13/2020

5 years ago

1516 Harbor View Circle

Distribution System ℹ️

14.972 µg/L

Meets Reporting Threshold

4/13/2020

5 years ago

115 Avenue B

Distribution System ℹ️

12.787 µg/L

Meets Reporting Threshold

4/13/2020

5 years ago

12000 Sportsman Road

Distribution System ℹ️

3.688 µg/L

Meets Reporting Threshold

4/13/2020

5 years ago

27020 2A Estuary Drive (HB)

Distribution System ℹ️

12.2 µg/L

Meets Reporting Threshold

1/15/2020

5 years ago

26735 Baywater Drive

Distribution System ℹ️

11.54 µg/L

Meets Reporting Threshold

1/15/2020

5 years ago

115 Avenue B

Distribution System ℹ️

11.528 µg/L

Meets Reporting Threshold

1/15/2020

5 years ago

8610 Seawall Blvd.

Distribution System ℹ️

11.52 µg/L

Meets Reporting Threshold

1/15/2020

5 years ago

1516 Harbor View Circle

Distribution System ℹ️

11.21 µg/L

Meets Reporting Threshold

1/15/2020

5 years ago

12202 San Luis Pass Road

Distribution System ℹ️

10.31 µg/L

Meets Reporting Threshold

1/15/2020

5 years ago

1302 Avenue J

Distribution System ℹ️

9.849 µg/L

Meets Reporting Threshold

1/15/2020

5 years ago

12000 Sportsman Road

Distribution System ℹ️

2.03 µg/L

Meets Reporting Threshold

1/15/2020

5 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (31)

1302 Avenue J

Distribution System ℹ️

28.637 µg/L

10/22/2020

4 years ago

8610 Seawall Blvd.

Distribution System ℹ️

28.48 µg/L

10/22/2020

4 years ago

12202 San Luis Pass Road

Distribution System ℹ️

28.03 µg/L

10/22/2020

4 years ago

1516 Harbor View Circle

Distribution System ℹ️

27.515 µg/L

10/22/2020

4 years ago

115 Avenue B

Distribution System ℹ️

27.348 µg/L

10/22/2020

4 years ago

27020 2A Estuary Drive (HB)

Distribution System ℹ️

25.406 µg/L

10/22/2020

4 years ago

12000 Sportsman Road

Distribution System ℹ️

19.158 µg/L

10/22/2020

4 years ago

26735 Baywater Drive

Distribution System ℹ️

10.32 µg/L

10/22/2020

4 years ago

8610 Seawall Blvd.

Distribution System ℹ️

23.15 µg/L

7/9/2020

5 years ago

27020 2A Estuary Drive (HB)

Distribution System ℹ️

20.958 µg/L

7/9/2020

5 years ago

12202 San Luis Pass Road

Distribution System ℹ️

19.923 µg/L

7/9/2020

5 years ago

1516 Harbor View Circle

Distribution System ℹ️

9.328 µg/L

7/9/2020

5 years ago

1302 Avenue J

Distribution System ℹ️

8.91 µg/L

7/9/2020

5 years ago

115 Avenue B

Distribution System ℹ️

7.611 µg/L

7/9/2020

5 years ago

12000 Sportsman Road

Distribution System ℹ️

5.16 µg/L

7/9/2020

5 years ago

26735 Baywater Drive

Distribution System ℹ️

23.741 µg/L

5/14/2020

5 years ago

27020 2A Estuary Drive (HB)

Distribution System ℹ️

34.11 µg/L

4/13/2020

5 years ago

8610 Seawall Blvd.

Distribution System ℹ️

32.23 µg/L

4/13/2020

5 years ago

12202 San Luis Pass Road

Distribution System ℹ️

29.94 µg/L

4/13/2020

5 years ago

1302 Avenue J

Distribution System ℹ️

27.97 µg/L

4/13/2020

5 years ago

1516 Harbor View Circle

Distribution System ℹ️

23.882 µg/L

4/13/2020

5 years ago

115 Avenue B

Distribution System ℹ️

23.737 µg/L

4/13/2020

5 years ago

12000 Sportsman Road

Distribution System ℹ️

5.97 µg/L

4/13/2020

5 years ago

8610 Seawall Blvd.

Distribution System ℹ️

24.29 µg/L

1/15/2020

5 years ago

27020 2A Estuary Drive (HB)

Distribution System ℹ️

23.83 µg/L

1/15/2020

5 years ago

1516 Harbor View Circle

Distribution System ℹ️

21.84 µg/L

1/15/2020

5 years ago

26735 Baywater Drive

Distribution System ℹ️

21.82 µg/L

1/15/2020

5 years ago

1302 Avenue J

Distribution System ℹ️

21.599 µg/L

1/15/2020

5 years ago

115 Avenue B

Distribution System ℹ️

21.598 µg/L

1/15/2020

5 years ago

12202 San Luis Pass Road

Distribution System ℹ️

21.06 µg/L

1/15/2020

5 years ago

12000 Sportsman Road

Distribution System ℹ️

3.787 µg/L

1/15/2020

5 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (31)

12202 San Luis Pass Road

Distribution System ℹ️

58.54 µg/L

10/22/2020

4 years ago

8610 Seawall Blvd.

Distribution System ℹ️

56.41 µg/L

10/22/2020

4 years ago

1302 Avenue J

Distribution System ℹ️

52.317 µg/L

10/22/2020

4 years ago

115 Avenue B

Distribution System ℹ️

49.928 µg/L

10/22/2020

4 years ago

1516 Harbor View Circle

Distribution System ℹ️

31.995 µg/L

10/22/2020

4 years ago

12000 Sportsman Road

Distribution System ℹ️

31.458 µg/L

10/22/2020

4 years ago

27020 2A Estuary Drive (HB)

Distribution System ℹ️

31.076 µg/L

10/22/2020

4 years ago

26735 Baywater Drive

Distribution System ℹ️

20.81 µg/L

10/22/2020

4 years ago

8610 Seawall Blvd.

Distribution System ℹ️

33.47 µg/L

7/9/2020

5 years ago

27020 2A Estuary Drive (HB)

Distribution System ℹ️

26.828 µg/L

7/9/2020

5 years ago

12202 San Luis Pass Road

Distribution System ℹ️

24.683 µg/L

7/9/2020

5 years ago

1516 Harbor View Circle

Distribution System ℹ️

11.878 µg/L

7/9/2020

5 years ago

1302 Avenue J

Distribution System ℹ️

11.294 µg/L

7/9/2020

5 years ago

115 Avenue B

Distribution System ℹ️

9.754 µg/L

7/9/2020

5 years ago

12000 Sportsman Road

Distribution System ℹ️

6.886 µg/L

7/9/2020

5 years ago

26735 Baywater Drive

Distribution System ℹ️

29.511 µg/L

5/14/2020

5 years ago

27020 2A Estuary Drive (HB)

Distribution System ℹ️

44.51 µg/L

4/13/2020

5 years ago

8610 Seawall Blvd.

Distribution System ℹ️

40.91 µg/L

4/13/2020

5 years ago

12202 San Luis Pass Road

Distribution System ℹ️

37.35 µg/L

4/13/2020

5 years ago

1302 Avenue J

Distribution System ℹ️

35.38 µg/L

4/13/2020

5 years ago

1516 Harbor View Circle

Distribution System ℹ️

31.832 µg/L

4/13/2020

5 years ago

115 Avenue B

Distribution System ℹ️

29.897 µg/L

4/13/2020

5 years ago

12000 Sportsman Road

Distribution System ℹ️

8.028 µg/L

4/13/2020

5 years ago

27020 2A Estuary Drive (HB)

Distribution System ℹ️

28.31 µg/L

1/15/2020

5 years ago

8610 Seawall Blvd.

Distribution System ℹ️

27.86 µg/L

1/15/2020

5 years ago

26735 Baywater Drive

Distribution System ℹ️

25.83 µg/L

1/15/2020

5 years ago

1516 Harbor View Circle

Distribution System ℹ️

25.69 µg/L

1/15/2020

5 years ago

115 Avenue B

Distribution System ℹ️

25.548 µg/L

1/15/2020

5 years ago

1302 Avenue J

Distribution System ℹ️

24.899 µg/L

1/15/2020

5 years ago

12202 San Luis Pass Road

Distribution System ℹ️

24.4 µg/L

1/15/2020

5 years ago

12000 Sportsman Road

Distribution System ℹ️

4.869 µg/L

1/15/2020

5 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (6)

30th PS

30th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

lithium (6)

59th PS

59th Street Pump Station ℹ️

18.1 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 9.1 µg/L

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

17.6 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 8.6 µg/L

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

16.9 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 7.9 µg/L

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

15.6 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 6.6 µg/L

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

15.5 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 6.5 µg/L

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

15.4 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 6.4 µg/L

1/9/2025

7 months ago

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

Contaminant Details

Manganese (4)

30th PS

30th Street Pump Station ℹ️

0.8 µg/L

Meets Reporting Threshold

10/22/2020

4 years ago

30th PS

30th Street Pump Station ℹ️

1 µg/L

Meets Reporting Threshold

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

1.5 µg/L

Meets Reporting Threshold

4/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

0.9 µg/L

Meets Reporting Threshold

1/15/2020

5 years ago

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

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (1)

ALTA_LOMA_PLANT

ALTA LOMA PLANT ℹ️

<5 µg/L

Below Reporting Level

5/8/2001

24 years ago

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

Contaminant Details

molinate (1)

ALTA_LOMA_PLANT

ALTA LOMA PLANT ℹ️

<0.9 µg/L

Below Reporting Level

5/8/2001

24 years ago

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

Contaminant Details

molybdenum (8)

DSMRT for GCWA TX City

Distribution System - SW ℹ️

1.75 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.75 µg/L

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

1.69 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.69 µg/L

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

1.43 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.43 µg/L

7/21/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

1.42 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.42 µg/L

7/21/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

1.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.4 µg/L

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

1.35 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.35 µg/L

4/8/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

1.76 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.76 µg/L

1/22/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

1.64 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.64 µg/L

1/22/2015

10 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (6)

30th PS

30th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (6)

30th PS

30th Street Pump Station ℹ️

<0.006 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.006 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.006 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.006 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.006 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.006 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

nitrobenzene (1)

ALTA_LOMA_PLANT

ALTA LOMA PLANT ℹ️

<10 µg/L

Below Reporting Level

5/8/2001

24 years ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (6)

30th PS

30th Street Pump Station ℹ️

<0.02 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.02 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.02 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.02 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.02 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.02 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

o-toluidine (4)

30th PS

30th Street Pump Station ℹ️

<0.007 µg/L

Below Reporting Level

10/22/2020

4 years ago

30th PS

30th Street Pump Station ℹ️

<0.007 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.007 µg/L

Below Reporting Level

4/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.007 µg/L

Below Reporting Level

1/15/2020

5 years ago

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

Contaminant Details

oxyfluorfen (4)

30th PS

30th Street Pump Station ℹ️

<0.05 µg/L

Below Reporting Level

10/22/2020

4 years ago

30th PS

30th Street Pump Station ℹ️

<0.05 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.05 µg/L

Below Reporting Level

4/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.05 µg/L

Below Reporting Level

1/15/2020

5 years ago

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

Contaminant Details

perchlorate (1)

ALTA_LOMA_PLANT

ALTA LOMA PLANT ℹ️

<4 µg/L

Below Reporting Level

5/8/2001

24 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (6)

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (6)

30th PS

30th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (6)

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

perfluorobutanesulfonic acid (10)

30th PS

30th Street Pump Station ℹ️

0.0035 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0005 µg/L

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

0.0035 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0005 µg/L

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

0.0034 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0004 µg/L

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

0.0041 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0011 µg/L

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

0.0039 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0009 µg/L

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

0.0038 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0008 µg/L

1/9/2025

7 months ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.09 µg/L

Below Reporting Level

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.09 µg/L

Below Reporting Level

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.09 µg/L

Below Reporting Level

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.09 µg/L

Below Reporting Level

1/22/2015

10 years ago

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

Contaminant Details

perfluorobutanoic acid (6)

59th PS

59th Street Pump Station ℹ️

0.0164 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0114 µg/L

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

0.0127 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0077 µg/L

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.005 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

0.0359 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0309 µg/L

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

0.0295 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0245 µg/L

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

0.0288 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0238 µg/L

1/9/2025

7 months ago

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

Contaminant Details

perfluorodecanoic acid (6)

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

perfluorododecanoic acid (6)

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

perfluoroheptanesulfonic acid (6)

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

perfluoroheptanoic acid (10)

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.01 µg/L

Below Reporting Level

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.01 µg/L

Below Reporting Level

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.01 µg/L

Below Reporting Level

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.01 µg/L

Below Reporting Level

1/22/2015

10 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (10)

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2025

7 months ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.03 µg/L

Below Reporting Level

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.03 µg/L

Below Reporting Level

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.03 µg/L

Below Reporting Level

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.03 µg/L

Below Reporting Level

1/22/2015

10 years ago

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

Contaminant Details

perfluorohexanoic acid (6)

30th PS

30th Street Pump Station ℹ️

0.0044 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0014 µg/L

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

0.0043 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0013 µg/L

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

0.0042 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0012 µg/L

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

0.0041 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0011 µg/L

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

0.0041 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0011 µg/L

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

0.004 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.001 µg/L

1/9/2025

7 months ago

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

Contaminant Details

perfluorononanoic acid (10)

30th PS

30th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2025

7 months ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.02 µg/L

Below Reporting Level

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.02 µg/L

Below Reporting Level

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.02 µg/L

Below Reporting Level

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.02 µg/L

Below Reporting Level

1/22/2015

10 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (10)

30th PS

30th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2025

7 months ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.04 µg/L

Below Reporting Level

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.04 µg/L

Below Reporting Level

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.04 µg/L

Below Reporting Level

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.04 µg/L

Below Reporting Level

1/22/2015

10 years ago

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

Contaminant Details

perfluorooctanoic acid (10)

30th PS

30th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2025

7 months ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.02 µg/L

Below Reporting Level

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.02 µg/L

Below Reporting Level

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.02 µg/L

Below Reporting Level

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

<0.02 µg/L

Below Reporting Level

1/22/2015

10 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (6)

30th PS

30th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

perfluoropentanoic acid (6)

59th PS

59th Street Pump Station ℹ️

0.0651 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0621 µg/L

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

0.0596 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0566 µg/L

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

0.0571 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0541 µg/L

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

0.0886 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0856 µg/L

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

0.0853 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0823 µg/L

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

0.0829 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0799 µg/L

1/9/2025

7 months ago

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

Contaminant Details

perfluorotetradecanoic acid (6)

30th PS

30th Street Pump Station ℹ️

<0.008 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.008 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.008 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.008 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.008 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.008 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

perfluorotridecanoic acid (6)

30th PS

30th Street Pump Station ℹ️

<0.007 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.007 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.007 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.007 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.007 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.007 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

perfluoroundecanoic acid (6)

30th PS

30th Street Pump Station ℹ️

<0.002 µg/L

Below Reporting Level

4/28/2025

4 months ago

59th PS

59th Street Pump Station ℹ️

<0.002 µg/L

Below Reporting Level

4/28/2025

4 months ago

Airport PS

Airport Pump Station ℹ️

<0.002 µg/L

Below Reporting Level

4/28/2025

4 months ago

30th PS

30th Street Pump Station ℹ️

<0.002 µg/L

Below Reporting Level

1/9/2025

7 months ago

59th PS

59th Street Pump Station ℹ️

<0.002 µg/L

Below Reporting Level

1/9/2025

7 months ago

Airport PS

Airport Pump Station ℹ️

<0.002 µg/L

Below Reporting Level

1/9/2025

7 months ago

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

Contaminant Details

profenofos (4)

30th PS

30th Street Pump Station ℹ️

<0.3 µg/L

Below Reporting Level

10/22/2020

4 years ago

30th PS

30th Street Pump Station ℹ️

<0.3 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.3 µg/L

Below Reporting Level

4/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.3 µg/L

Below Reporting Level

1/15/2020

5 years ago

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

Contaminant Details

quinoline (4)

30th PS

30th Street Pump Station ℹ️

<0.02 µg/L

Below Reporting Level

10/22/2020

4 years ago

30th PS

30th Street Pump Station ℹ️

<0.02 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.02 µg/L

Below Reporting Level

4/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.02 µg/L

Below Reporting Level

1/15/2020

5 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (1)

ALTA_LOMA_PLANT

ALTA LOMA PLANT ℹ️

<1 µg/L

Below Reporting Level

5/8/2001

24 years ago

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

Contaminant Details

strontium (8)

DSMRT for GCWA TX City

Distribution System - SW ℹ️

394 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 393.7 µg/L

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

353 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 352.7 µg/L

12/21/2015

9 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

413 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 412.7 µg/L

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

391 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 390.7 µg/L

7/21/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

341 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 340.7 µg/L

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

322 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 321.7 µg/L

4/8/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

426 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 425.7 µg/L

1/22/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

342 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 341.7 µg/L

1/22/2015

10 years ago

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

Contaminant Details

tebuconazole (4)

30th PS

30th Street Pump Station ℹ️

<0.2 µg/L

Below Reporting Level

10/22/2020

4 years ago

30th PS

30th Street Pump Station ℹ️

<0.2 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.2 µg/L

Below Reporting Level

4/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.2 µg/L

Below Reporting Level

1/15/2020

5 years ago

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

Contaminant Details

terbacil (1)

ALTA_LOMA_PLANT

ALTA LOMA PLANT ℹ️

<2 µg/L

Below Reporting Level

5/8/2001

24 years ago

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

Contaminant Details

total microcystins (6)

30th PS

30th Street Pump Station ℹ️

<0.3 µg/L

Below Reporting Level

7/16/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.3 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.3 µg/L

Below Reporting Level

6/24/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.3 µg/L

Below Reporting Level

6/8/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.3 µg/L

Below Reporting Level

5/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.3 µg/L

Below Reporting Level

4/13/2020

5 years ago

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

Contaminant Details

Total Permethrin (4)

30th PS

30th Street Pump Station ℹ️

<0.04 µg/L

Below Reporting Level

10/22/2020

4 years ago

30th PS

30th Street Pump Station ℹ️

<0.04 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.04 µg/L

Below Reporting Level

4/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.04 µg/L

Below Reporting Level

1/15/2020

5 years ago

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

Contaminant Details

tribufos (4)

30th PS

30th Street Pump Station ℹ️

<0.07 µg/L

Below Reporting Level

10/22/2020

4 years ago

30th PS

30th Street Pump Station ℹ️

<0.07 µg/L

Below Reporting Level

7/9/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.07 µg/L

Below Reporting Level

4/13/2020

5 years ago

30th PS

30th Street Pump Station ℹ️

<0.07 µg/L

Below Reporting Level

1/15/2020

5 years ago

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

Contaminant Details

vanadium (8)

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

1.67 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.47 µg/L

12/21/2015

9 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

1.16 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.96 µg/L

12/21/2015

9 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

1.62 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.42 µg/L

7/21/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

1.08 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.88 µg/L

7/21/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

1.41 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.21 µg/L

4/8/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

1.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1 µg/L

4/8/2015

10 years ago

EPTDS from GCWA TX City

Gulf Coast Water Intertie ℹ️

1.06 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.86 µg/L

1/22/2015

10 years ago

DSMRT for GCWA TX City

Distribution System - SW ℹ️

0.57 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.37 µg/L

1/22/2015

10 years ago

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

Contaminant Details

Sampling Facilities

30th Street Pump Station
Surface Water (SW)

30th PSEntry Point to the Distribution System (EP)

59th Street Pump Station
Surface Water (SW)

59th PSEntry Point to the Distribution System (EP)

Airport Pump Station
Surface Water (SW)

Airport PSEntry Point to the Distribution System (EP)

Distribution System
Surface Water (SW)

1516 Harbor View CircleDistribution System (DS)

115 Avenue BDistribution System (DS)

26735 Baywater DriveDistribution System (DS)

12202 San Luis Pass RoadDistribution System (DS)

27020 2A Estuary Drive (HB)Distribution System (DS)

1302 Avenue JDistribution System (DS)

12000 Sportsman RoadDistribution System (DS)

8610 Seawall Blvd.Distribution System (DS)

Gulf Coast Water Intertie
Surface Water (SW)

EPTDS from GCWA TX CityEntry Point to the Distribution System (EP)

Distribution System - SW
Surface Water (SW)

DSMRT for GCWA TX CityMaximum Residence Time (MR)

ALTA LOMA PLANT
Ground Water (GW)

ALTA_LOMA_PLANTEntry Point to the Distribution System (EP)

FAQ

Is City of Galveston tap water safe to drink?

When was City of Galveston last tested for water contamination?

The latest water samples were taken on April 28th, 2025.