Lewiston Orchards Irrigation District (ID) Water Quality

Lewiston Orchards Irrigation District is a large public water system in EPA region 10 that provides tap water for the 83501 zip codes. It has 4 facilities where the water supply was tested for 75 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 2.322 µg/L. The maximum reported level of Manganese was 27.4 µg/L. There were 2 contamintants found in the Lewiston Orchards Irrigation District water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

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

1,1-dichloroethane (2)

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

1,2,3-trichloropropane (2)

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

1,3-butadiene (2)

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<0.1 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.1 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

1,4-dioxane (2)

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

1-butanol (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

10/15/2020

4 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

10/15/2020

4 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

4/8/2020

5 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

4/8/2020

5 years ago

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

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

2,4-dinitrotoluene (2)

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<2 µg/L

Below Reporting Level

5/28/2003

22 years ago

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<2 µg/L

Below Reporting Level

12/11/2002

22 years ago

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

Contaminant Details

2,6-dinitrotoluene (2)

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<2 µg/L

Below Reporting Level

5/28/2003

22 years ago

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<2 µg/L

Below Reporting Level

12/11/2002

22 years ago

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

Contaminant Details

2-methoxyethanol (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.4 µg/L

Below Reporting Level

10/15/2020

4 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.4 µg/L

Below Reporting Level

10/15/2020

4 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.4 µg/L

Below Reporting Level

4/8/2020

5 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.4 µg/L

Below Reporting Level

4/8/2020

5 years ago

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

Contaminant Details

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

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.5 µg/L

Below Reporting Level

10/15/2020

4 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.5 µg/L

Below Reporting Level

10/15/2020

4 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.5 µg/L

Below Reporting Level

4/8/2020

5 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.5 µg/L

Below Reporting Level

4/8/2020

5 years ago

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

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (2)

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<0.8 µg/L

Below Reporting Level

5/28/2003

22 years ago

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<0.8 µg/L

Below Reporting Level

12/11/2002

22 years ago

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

Contaminant Details

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

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

alpha-hexachlorocyclohexane (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

11/16/2020

4 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

10/15/2020

4 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

4/8/2020

5 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

4/8/2020

5 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (2)

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<0.06 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.06 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

bromomethane (2)

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

Butylated Hydroxyanisole (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

10/15/2020

4 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

10/15/2020

4 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/8/2020

5 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/8/2020

5 years ago

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

Contaminant Details

chlorate (4)

DSMRT for Wells #3 & #4 TP

Distribution System ℹ️

109 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 89 µg/L

4/22/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

107 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 87 µg/L

4/20/2015

10 years ago

DSMRT for Well #2 TP

Distribution System ℹ️

39 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 19 µg/L

4/20/2015

10 years ago

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<20 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (2)

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<0.08 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.08 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

chloromethane (2)

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

chlorpyrifos (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/16/2020

4 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

10/15/2020

4 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/8/2020

5 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/8/2020

5 years ago

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

Contaminant Details

chromium (4)

DSMRT for Well #2 TP

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

4/22/2015

10 years ago

DSMRT for Wells #3 & #4 TP

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

4/22/2015

10 years ago

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

chromium-6 (4)

DSMRT for Wells #3 & #4 TP

Distribution System ℹ️

<0.03 µg/L

Below Reporting Level

4/22/2015

10 years ago

DSMRT for Well #2 TP

Distribution System ℹ️

0.048 µg/L

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

4/20/2015

10 years ago

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

cobalt (4)

DSMRT for Well #2 TP

Distribution System ℹ️

<1 µg/L

Below Reporting Level

4/22/2015

10 years ago

DSMRT for Wells #3 & #4 TP

Distribution System ℹ️

<1 µg/L

Below Reporting Level

4/22/2015

10 years ago

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<1 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<1 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

dimethipin (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

11/16/2020

4 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

10/15/2020

4 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/8/2020

5 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/8/2020

5 years ago

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

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (2)

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<1 µg/L

Below Reporting Level

5/28/2003

22 years ago

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<1 µg/L

Below Reporting Level

11/26/2002

22 years ago

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

Contaminant Details

ethoprop (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/16/2020

4 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

10/15/2020

4 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/8/2020

5 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/8/2020

5 years ago

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

Contaminant Details

Germanium (4)

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

3 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 2.7 µg/L

10/15/2020

4 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

10/15/2020

4 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

3.3 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 3 µg/L

4/8/2020

5 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

0.3 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 0 µg/L

4/8/2020

5 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (8)

Grande Ronde Dr.

Distribution System ℹ️

1.616 µg/L

Meets Reporting Threshold

10/15/2020

4 years ago

10th - Richardson

Distribution System ℹ️

0.92 µg/L

Meets Reporting Threshold

10/15/2020

4 years ago

10th - Stewart

Distribution System ℹ️

0.389 µg/L

Meets Reporting Threshold

10/15/2020

4 years ago

14th - Vineyard Dr.

Distribution System ℹ️

0.375 µg/L

Meets Reporting Threshold

10/15/2020

4 years ago

Grande Ronde Dr.

Distribution System ℹ️

2.322 µg/L

Meets Reporting Threshold

4/8/2020

5 years ago

10th - Richardson

Distribution System ℹ️

1.116 µg/L

Meets Reporting Threshold

4/8/2020

5 years ago

10th - Stewart

Distribution System ℹ️

0.356 µg/L

Meets Reporting Threshold

4/8/2020

5 years ago

14th - Vineyard Dr.

Distribution System ℹ️

0 µg/L

Meets Reporting Threshold

4/8/2020

5 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (8)

Grande Ronde Dr.

Distribution System ℹ️

1.856 µg/L

10/15/2020

4 years ago

10th - Richardson

Distribution System ℹ️

1.177 µg/L

10/15/2020

4 years ago

10th - Stewart

Distribution System ℹ️

0.389 µg/L

10/15/2020

4 years ago

14th - Vineyard Dr.

Distribution System ℹ️

0.375 µg/L

10/15/2020

4 years ago

Grande Ronde Dr.

Distribution System ℹ️

2.47 µg/L

4/8/2020

5 years ago

10th - Richardson

Distribution System ℹ️

1.24 µg/L

4/8/2020

5 years ago

10th - Stewart

Distribution System ℹ️

0.356 µg/L

4/8/2020

5 years ago

14th - Vineyard Dr.

Distribution System ℹ️

0 µg/L

4/8/2020

5 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (8)

Grande Ronde Dr.

Distribution System ℹ️

2.595 µg/L

10/15/2020

4 years ago

10th - Richardson

Distribution System ℹ️

1.396 µg/L

10/15/2020

4 years ago

10th - Stewart

Distribution System ℹ️

0.389 µg/L

10/15/2020

4 years ago

14th - Vineyard Dr.

Distribution System ℹ️

0.375 µg/L

10/15/2020

4 years ago

Grande Ronde Dr.

Distribution System ℹ️

3.402 µg/L

4/8/2020

5 years ago

10th - Richardson

Distribution System ℹ️

1.464 µg/L

4/8/2020

5 years ago

10th - Stewart

Distribution System ℹ️

0.356 µg/L

4/8/2020

5 years ago

14th - Vineyard Dr.

Distribution System ℹ️

0 µg/L

4/8/2020

5 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

lithium (4)

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

37.1 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 28.1 µg/L

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

18.4 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 9.4 µg/L

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

39.4 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 30.4 µg/L

10/12/2023

23 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

19 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 10 µg/L

10/12/2023

23 months ago

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

Contaminant Details

Manganese (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

24.6 µg/L

Meets Reporting Threshold

10/15/2020

4 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

2.9 µg/L

Meets Reporting Threshold

10/15/2020

4 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

27.4 µg/L

Meets Reporting Threshold

4/8/2020

5 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

3.2 µg/L

Meets Reporting Threshold

4/8/2020

5 years ago

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

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (2)

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<5 µg/L

Below Reporting Level

5/28/2003

22 years ago

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<5 µg/L

Below Reporting Level

11/26/2002

22 years ago

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

Contaminant Details

molinate (2)

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<0.9 µg/L

Below Reporting Level

5/28/2003

22 years ago

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<0.9 µg/L

Below Reporting Level

12/11/2002

22 years ago

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

Contaminant Details

molybdenum (4)

DSMRT for Wells #3 & #4 TP

Distribution System ℹ️

2.11 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.11 µg/L

4/22/2015

10 years ago

DSMRT for Well #2 TP

Distribution System ℹ️

1.47 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.47 µg/L

4/22/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

2.28 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.28 µg/L

4/20/2015

10 years ago

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

1.71 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.71 µg/L

4/20/2015

10 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.006 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.006 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.006 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.006 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

nitrobenzene (2)

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<10 µg/L

Below Reporting Level

5/28/2003

22 years ago

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<10 µg/L

Below Reporting Level

11/26/2002

22 years ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

o-toluidine (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

10/15/2020

4 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

10/15/2020

4 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

4/8/2020

5 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

4/8/2020

5 years ago

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

Contaminant Details

oxyfluorfen (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.05 µg/L

Below Reporting Level

11/16/2020

4 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.05 µg/L

Below Reporting Level

10/15/2020

4 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.05 µg/L

Below Reporting Level

4/8/2020

5 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.05 µg/L

Below Reporting Level

4/8/2020

5 years ago

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

Contaminant Details

perchlorate (2)

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<4 µg/L

Below Reporting Level

5/28/2003

22 years ago

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<4 µg/L

Below Reporting Level

11/26/2002

22 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

perfluorobutanesulfonic acid (6)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

perfluorobutanoic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

perfluorodecanoic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

perfluorododecanoic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

perfluoroheptanesulfonic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

perfluoroheptanoic acid (6)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (6)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

perfluorohexanoic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

perfluorononanoic acid (6)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

10/12/2023

23 months ago

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (6)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

10/12/2023

23 months ago

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

perfluorooctanoic acid (6)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

10/12/2023

23 months ago

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

perfluoropentanoic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

perfluorotetradecanoic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.008 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.008 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.008 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.008 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

perfluorotridecanoic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

perfluoroundecanoic acid (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

4/9/2024

17 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

4/9/2024

17 months ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

10/12/2023

23 months ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

10/12/2023

23 months ago

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

Contaminant Details

profenofos (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

11/16/2020

4 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

10/15/2020

4 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

4/8/2020

5 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

4/8/2020

5 years ago

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

Contaminant Details

quinoline (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

10/15/2020

4 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

10/15/2020

4 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

4/8/2020

5 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

4/8/2020

5 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (2)

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<1 µg/L

Below Reporting Level

5/28/2003

22 years ago

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<1 µg/L

Below Reporting Level

12/11/2002

22 years ago

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

Contaminant Details

strontium (4)

DSMRT for Well #2 TP

Distribution System ℹ️

59.3 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 59 µg/L

4/22/2015

10 years ago

DSMRT for Wells #3 & #4 TP

Distribution System ℹ️

19.9 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 19.6 µg/L

4/22/2015

10 years ago

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

64.3 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 64 µg/L

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

20.9 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 20.6 µg/L

4/20/2015

10 years ago

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

Contaminant Details

tebuconazole (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

11/16/2020

4 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

10/15/2020

4 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/8/2020

5 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/8/2020

5 years ago

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

Contaminant Details

terbacil (2)

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<2 µg/L

Below Reporting Level

5/28/2003

22 years ago

WELL #2 LABWELL E0005289

WELL #2 LABWELL ℹ️

<2 µg/L

Below Reporting Level

12/11/2002

22 years ago

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

Contaminant Details

Total Permethrin (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

11/16/2020

4 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

10/15/2020

4 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

4/8/2020

5 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

4/8/2020

5 years ago

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

Contaminant Details

tribufos (4)

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

11/16/2020

4 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

10/15/2020

4 years ago

Well #2 Finished

Well #2 Labwell Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

4/8/2020

5 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

4/8/2020

5 years ago

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

Contaminant Details

vanadium (4)

DSMRT for Well #2 TP

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

4/22/2015

10 years ago

DSMRT for Wells #3 & #4 TP

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

4/22/2015

10 years ago

Well #2 Lab Well EPTDS

Well #2 Labwell Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/20/2015

10 years ago

Wells #3 & #4 Finished

Wells #3 & 4 Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/20/2015

10 years ago

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

Contaminant Details

Sampling Facilities

Well #2 Labwell Treatment Plant
Ground Water (GW)

Well #2 FinishedEntry Point to the Distribution System (EP)

Well #2 Lab Well EPTDSEntry Point to the Distribution System (EP)

Wells #3 & 4 Treatment Plant
Ground Water (GW)

Wells #3 & #4 FinishedEntry Point to the Distribution System (EP)

Distribution System
Ground Water (GW)

10th - RichardsonDistribution System (DS)

14th - Vineyard Dr.Distribution System (DS)

10th - StewartDistribution System (DS)

Grande Ronde Dr.Distribution System (DS)

DSMRT for Well #2 TPMaximum Residence Time (MR)

DSMRT for Wells #3 & #4 TPMaximum Residence Time (MR)

WELL #2 LABWELL
Ground Water (GW)

WELL #2 LABWELL E0005289Entry Point to the Distribution System (EP)

FAQ

Is Lewiston Orchards Irrigation District tap water safe to drink?

When was Lewiston Orchards Irrigation District last tested for water contamination?

The latest water samples were taken on April 9th, 2024.

Contaminants

1,1-dichloroethane (2)

1,2,3-trichloropropane (2)

1,3-butadiene (2)

1,4-dioxane (2)

1-butanol (4)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (4)

1H,1H,2H,2H-perfluorodecane sulfonic acid (4)

1H,1H,2H,2H-perfluorohexane sulfonic acid (4)

1H,1H,2H,2H-perfluorooctane sulfonic acid (4)

2,4-dinitrotoluene (2)

2,6-dinitrotoluene (2)

2-methoxyethanol (4)

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

4,4'-dichloro dichlorophenyl ethylene (DDE) (2)

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

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (4)

alpha-hexachlorocyclohexane (4)

bromochloromethane (Halon 1011) (2)

bromomethane (2)

Butylated Hydroxyanisole (4)

chlorate (4)

chlorodifluoromethane (HCFC-22) (2)

chloromethane (2)

chlorpyrifos (4)

chromium (4)

chromium-6 (4)

cobalt (4)

dimethipin (4)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (2)

ethoprop (4)

Germanium (4)

HAA5 (five regulated haloacetic acids) (8)

HAA6Br (six brominated haloacetic acids) (8)

HAA9 (nine haloacetic acids) (8)

hexafluoropropylene oxide dimer acid (GenX) (4)

lithium (4)

Manganese (4)

methyl-tertiary-butyl-ether (MTBE) (2)

molinate (2)

molybdenum (4)

N-ethyl perfluorooctanesulfonamidoacetic acid (4)

N-methyl perfluorooctanesulfonamidoacetic acid (4)

nitrobenzene (2)

nonafluoro-3,6-dioxaheptanoic acid (4)

o-toluidine (4)

oxyfluorfen (4)

perchlorate (2)

perfluoro(2-ethoxyethane)sulfonic acid (4)

perfluoro-3-methoxypropanoic acid (4)

perfluoro-4-methoxybutanoic acid (4)

perfluorobutanesulfonic acid (6)

perfluorobutanoic acid (4)

perfluorodecanoic acid (4)

perfluorododecanoic acid (4)

perfluoroheptanesulfonic acid (4)

perfluoroheptanoic acid (6)

perfluorohexanesulfonic acid (6)

perfluorohexanoic acid (4)

perfluorononanoic acid (6)

perfluorooctanesulfonic acid (6)

perfluorooctanoic acid (6)

perfluoropentanesulfonic acid (4)

perfluoropentanoic acid (4)

perfluorotetradecanoic acid (4)

perfluorotridecanoic acid (4)

perfluoroundecanoic acid (4)

profenofos (4)

quinoline (4)

s-ethyl-dipropylthiocarbamate (EPTC) (2)

strontium (4)

tebuconazole (4)

terbacil (2)

Total Permethrin (4)

tribufos (4)

vanadium (4)

Sampling Facilities

Well #2 Labwell Treatment Plant Ground Water (GW)

Wells #3 & 4 Treatment Plant Ground Water (GW)

Distribution System Ground Water (GW)

Well #2 Labwell Treatment Plant
Ground Water (GW)

Wells #3 & 4 Treatment Plant
Ground Water (GW)

Distribution System
Ground Water (GW)

WELL #2 LABWELL
Ground Water (GW)