City of Fairfield (OH) Water Quality

City of Fairfield is a large public water system in EPA region 5 that provides tap water for the 45014 zip codes. It has 6 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 5.65 µg/L. The maximum reported level of Manganese was 3.81 µg/L. There were 2 contamintants found in the City of Fairfield water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/16/2013
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,2,3-trichloropropane (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/16/2013
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,3-butadiene (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.1 µg/L
Below Reporting Level
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.1 µg/L
Below Reporting Level
9/16/2013
11 years ago
Minimum Reporting Level: 0.1 µg/L
Reference Level: ?
Contaminant Details

1,4-dioxane (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
1822.7%
1.27589 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 1.20589 µg/L
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
1114.5%
0.78017 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.71017 µg/L
9/16/2013
11 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: ?
Contaminant Details

1-butanol (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<2 µg/L
Below Reporting Level
8/26/2019
6 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<2 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L
Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/14/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

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

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/14/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

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

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/14/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

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

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/14/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

2,4-dinitrotoluene (4)

FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/12/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/11/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/8/2002
23 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/8/2002
23 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2,6-dinitrotoluene (4)

FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/12/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/11/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/8/2002
23 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/8/2002
23 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2-methoxyethanol (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.4 µg/L
Below Reporting Level
8/26/2019
6 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L
Contaminant Details

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

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.5 µg/L
Below Reporting Level
8/26/2019
6 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L
Contaminant Details

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

FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
11/12/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
11/11/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
5/8/2002
23 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
5/8/2002
23 years ago
Minimum Reporting Level: 0.8 µg/L
Reference Level: ?
Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/14/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/14/2023
2 years ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

alpha-hexachlorocyclohexane (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
8/26/2019
6 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/11/2019
6 years ago
Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L
Contaminant Details

bromochloromethane (Halon 1011) (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.06 µg/L
Below Reporting Level
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.06 µg/L
Below Reporting Level
9/16/2013
11 years ago
Minimum Reporting Level: 0.06 µg/L
Reference Level: ?
Contaminant Details

bromomethane (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/16/2013
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Butylated Hydroxyanisole (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/15/2019
5 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/11/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

chlorate (4)

7321 Dixie
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<20 µg/L
Below Reporting Level
3/6/2014
11 years ago
7321 Dixie
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
9/16/2013
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<20 µg/L
Below Reporting Level
9/16/2013
11 years ago
Minimum Reporting Level: 20 µg/L
Reference Level: ?
Contaminant Details

chlorodifluoromethane (HCFC-22) (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.08 µg/L
Below Reporting Level
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.08 µg/L
Below Reporting Level
9/16/2013
11 years ago
Minimum Reporting Level: 0.08 µg/L
Reference Level: ?
Contaminant Details

chloromethane (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/16/2013
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chlorpyrifos (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/26/2019
6 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/11/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L
Contaminant Details

chromium (4)

7321 Dixie
Distribution System ℹ️
146.5%
0.293 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.093 µg/L
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
134.5%
0.269 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.069 µg/L
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
142.5%
0.285 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.085 µg/L
9/16/2013
11 years ago
7321 Dixie
Distribution System ℹ️
138%
0.276 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.076 µg/L
9/16/2013
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chromium-6 (4)

7321 Dixie
Distribution System ℹ️
763.3%
0.229 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.199 µg/L
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
710%
0.213 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.183 µg/L
3/6/2014
11 years ago
7321 Dixie
Distribution System ℹ️
733.3%
0.22 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.19 µg/L
9/16/2013
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
676.7%
0.203 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.173 µg/L
9/16/2013
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

cobalt (4)

7321 Dixie
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<1 µg/L
Below Reporting Level
3/6/2014
11 years ago
7321 Dixie
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2013
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2013
11 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

dimethipin (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/26/2019
6 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/11/2019
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L
Contaminant Details

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

FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
11/12/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
11/11/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
5/8/2002
23 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
5/8/2002
23 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

ethoprop (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/26/2019
6 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/11/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L
Contaminant Details

Germanium (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/26/2019
6 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
2/11/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

HAA5 (five regulated haloacetic acids) (4)

8870 N. Gilmore
City of Fairfield Distribution System ℹ️
9.4%
5.65 µg/L
Meets Reporting Threshold
8/26/2019
6 years ago
7321 Dixie Hwy
City of Fairfield Distribution System ℹ️
8.9%
5.35 µg/L
Meets Reporting Threshold
8/26/2019
6 years ago
8870 N. Gilmore
City of Fairfield Distribution System ℹ️
7.6%
4.54 µg/L
Meets Reporting Threshold
2/11/2019
6 years ago
7321 Dixie Hwy
City of Fairfield Distribution System ℹ️
5.9%
3.51 µg/L
Meets Reporting Threshold
2/11/2019
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L
Contaminant Details

HAA6Br (six brominated haloacetic acids) (4)

8870 N. Gilmore
City of Fairfield Distribution System ℹ️
0%
9.86 µg/L
8/26/2019
6 years ago
7321 Dixie Hwy
City of Fairfield Distribution System ℹ️
0%
4.74 µg/L
8/26/2019
6 years ago
8870 N. Gilmore
City of Fairfield Distribution System ℹ️
0%
6.76 µg/L
2/11/2019
6 years ago
7321 Dixie Hwy
City of Fairfield Distribution System ℹ️
0%
5.74 µg/L
2/11/2019
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

HAA9 (nine haloacetic acids) (4)

8870 N. Gilmore
City of Fairfield Distribution System ℹ️
0%
13.03 µg/L
8/26/2019
6 years ago
7321 Dixie Hwy
City of Fairfield Distribution System ℹ️
0%
8.08 µg/L
8/26/2019
6 years ago
8870 N. Gilmore
City of Fairfield Distribution System ℹ️
0%
9.23 µg/L
2/11/2019
6 years ago
7321 Dixie Hwy
City of Fairfield Distribution System ℹ️
0%
7.45 µg/L
2/11/2019
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
114%
0.0057 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0007 µg/L
3/14/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

lithium (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<9 µg/L
Below Reporting Level
9/6/2023
24 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<9 µg/L
Below Reporting Level
3/14/2023
2 years ago
Minimum Reporting Level: 9 µg/L
Reference Level: ?
Contaminant Details

Manganese (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
1.3%
3.81 µg/L
Meets Reporting Threshold
8/26/2019
6 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0.6%
1.74 µg/L
Meets Reporting Threshold
2/11/2019
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L
Contaminant Details

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

FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
11/12/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
11/11/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
5/8/2002
23 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
5/8/2002
23 years ago
Minimum Reporting Level: 5 µg/L
Reference Level: ?
Contaminant Details

molinate (4)

FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
11/12/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
11/11/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
5/8/2002
23 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
5/8/2002
23 years ago
Minimum Reporting Level: 0.9 µg/L
Reference Level: ?
Contaminant Details

molybdenum (4)

Entry Point to Dist. System
Fairfield WTP ℹ️
443.8%
4.438 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 3.438 µg/L
3/6/2014
11 years ago
7321 Dixie
Distribution System ℹ️
436.1%
4.361 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 3.361 µg/L
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
422.5%
4.225 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 3.225 µg/L
9/16/2013
11 years ago
7321 Dixie
Distribution System ℹ️
374.8%
3.748 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.748 µg/L
9/16/2013
11 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/6/2023
24 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
5/4/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.006 µg/L
Below Reporting Level
9/6/2023
24 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.006 µg/L
Below Reporting Level
5/4/2023
2 years ago
Minimum Reporting Level: 0.006 µg/L
Reference Level: ?
Contaminant Details

nitrobenzene (4)

FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
11/12/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
11/11/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
5/8/2002
23 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
5/8/2002
23 years ago
Minimum Reporting Level: 10 µg/L
Reference Level: ?
Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/14/2023
2 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: ?
Contaminant Details

o-toluidine (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
10/15/2019
5 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
2/11/2019
6 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

oxyfluorfen (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.05 µg/L
Below Reporting Level
8/26/2019
6 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.05 µg/L
Below Reporting Level
2/11/2019
6 years ago
Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L
Contaminant Details

perchlorate (4)

FAIRFIELD WATER TREATMENT PLANT ℹ️
677.5%
27.1 µg/L
⚠️ Exceeds Reporting Level of 4 µg/L by 23.1 µg/L
11/12/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
11/12/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
146.8%
5.87 µg/L
⚠️ Exceeds Reporting Level of 4 µg/L by 1.87 µg/L
5/8/2002
23 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
5/8/2002
23 years ago
Minimum Reporting Level: 4 µg/L
Reference Level: ?
Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/14/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoro-3-methoxypropanoic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/14/2023
2 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoro-4-methoxybutanoic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/14/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanesulfonic acid (4)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/14/2023
2 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/16/2013
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanoic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
114%
0.0057 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0007 µg/L
3/14/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

perfluorodecanoic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/14/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorododecanoic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/14/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanesulfonic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/14/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanoic acid (4)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/14/2023
2 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/16/2013
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanesulfonic acid (4)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/14/2023
2 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/16/2013
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanoic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
100%
0.003 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0 µg/L
3/14/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorononanoic acid (4)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/14/2023
2 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/16/2013
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanesulfonic acid (4)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/14/2023
2 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/16/2013
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanoic acid (4)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/14/2023
2 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/16/2013
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanesulfonic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/14/2023
2 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanoic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
120%
0.0036 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0006 µg/L
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
143.3%
0.0043 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0013 µg/L
3/14/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorotetradecanoic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.008 µg/L
Below Reporting Level
9/6/2023
24 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.008 µg/L
Below Reporting Level
5/4/2023
2 years ago
Minimum Reporting Level: 0.008 µg/L
Reference Level: ?
Contaminant Details

perfluorotridecanoic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/6/2023
24 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
5/4/2023
2 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

perfluoroundecanoic acid (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/26/2024
11 months ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/14/2023
2 years ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

profenofos (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/26/2019
6 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
2/11/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L
Contaminant Details

quinoline (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/15/2019
5 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/11/2019
6 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L
Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (4)

FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
11/12/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
11/11/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
5/8/2002
23 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
5/8/2002
23 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

strontium (4)

Entry Point to Dist. System
Fairfield WTP ℹ️
84576.7%
253.73 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 253.43 µg/L
3/6/2014
11 years ago
7321 Dixie
Distribution System ℹ️
83977.3%
251.932 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 251.632 µg/L
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
90596.7%
271.79 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 271.49 µg/L
9/16/2013
11 years ago
7321 Dixie
Distribution System ℹ️
79280.7%
237.842 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 237.542 µg/L
9/16/2013
11 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

tebuconazole (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/26/2019
6 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/11/2019
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L
Contaminant Details

terbacil (4)

FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/12/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/11/2002
22 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/8/2002
23 years ago
FAIRFIELD WATER TREATMENT PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/8/2002
23 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

Total Permethrin (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
8/26/2019
6 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/11/2019
6 years ago
Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L
Contaminant Details

tribufos (2)

Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.07 µg/L
Below Reporting Level
8/26/2019
6 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
0%
<0.07 µg/L
Below Reporting Level
2/11/2019
6 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L
Contaminant Details

vanadium (4)

7321 Dixie
Distribution System ℹ️
137.5%
0.275 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.075 µg/L
3/6/2014
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
117%
0.234 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.034 µg/L
3/6/2014
11 years ago
7321 Dixie
Distribution System ℹ️
115.5%
0.231 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.031 µg/L
9/16/2013
11 years ago
Entry Point to Dist. System
Fairfield WTP ℹ️
101.5%
0.203 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.003 µg/L
9/16/2013
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Sampling Facilities

Fairfield WTP
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

City of Fairfield Distribution System
Ground Water (GW)

7321 Dixie HwyDistribution System (DS)
8870 N. GilmoreDistribution System (DS)

Distribution System
Ground Water (GW)

7321 DixieMaximum Residence Time (MR)

Fairfield WTP 1
Ground Water (GW)

Fairfield, City Of P01 EP001Entry Point to the Distribution System (EP)

FAIRFIELD WATER TREATMENT PLANT
Ground Water (GW)

Entry Point to the Distribution System (EP)

FAIRFIELD WATER TREATMENT PLANT
Ground Water (GW)

Entry Point to the Distribution System (EP)

FAQ

Is City of Fairfield tap water safe to drink?

When was City of Fairfield last tested for water contamination?

The latest water samples were taken on September 26th, 2024.