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Water Quality Report

Fairfield, IL

Wayne County · 9,809 residents · 4 water systems

11

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

3

Above health guidelines

Fairfield drinking water comes from surface water. Based on the most recent monitoring data, 11 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, and 7 others. PFAS testing has been conducted with no detections.

Contaminants detected in Fairfield water

Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.

Lead0 / 0.015 mg/L
0% of EPA limit
Nitrate0.55 / 10 mg/L
6% of EPA limit
Arsenic0.0012 / 0.01 mg/L
12% of EPA limit
Copper85.3 / 1300 ug/L
7% of EPA limit
Total Trihalomethanes51.6 / 80 ug/L
65% of EPA limit
Haloacetic Acids (HAA5)35.2 / 60 ug/L
59% of EPA limit
Atrazine0.32 / 3 ug/L
11% of EPA limit
Barium0.0437 / 2 mg/L
2% of EPA limit
Fluoride0.79 / 4 mg/L
20% of EPA limit
Simazine0.11 / 4 ug/L
3% of EPA limit
Toc4.9 mg/L
Unregulated
PFAS (tested — none detected)
Microplastics (not routinely tested)

Water systems serving Fairfield

FAIRFIELD

5,998 servedSurface water11 contaminants2 above guidelines
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FAIRFIELD RURAL WATERWORKS--JASPER

1,578 servedSurface water2 contaminants
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FAIRFIELD RURAL WATERWORKS--NEW HOPE

1,285 servedSurface water4 contaminants1 above guideline
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FAIRFIELD RURAL WATERWORKS--BOYLESTON

948 servedSurface water2 contaminants
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Other cities in Wayne County

Water quality reports for nearby Illinois communities.

CisneJeffersonvilleMount ErieSimsWayne City

Frequently asked questions

Is Fairfield, IL tap water safe to drink?
Fairfield tap water meets EPA legal standards (Maximum Contaminant Levels). However, 3 contaminants are present above independent health guidelines, which are often stricter than legal limits. 11 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, Total Trihalomethanes. View the detailed report for each water system to see specific levels and how they compare to both legal limits and health guidelines.
What contaminants are in Fairfield water?
Monitoring has detected 11 contaminants in Fairfield's water supply: Lead, Nitrate, Arsenic, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Atrazine, Barium, Fluoride, Simazine, Toc. 3 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Fairfield water have PFAS?
Fairfield's water has been tested for PFAS compounds with no detections. Testing was conducted as part of the EPA's Unregulated Contaminant Monitoring Rule (UCMR5) program.
Where does Fairfield get its drinking water?
Fairfield's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Fairfield is served by 4 water systems, the largest being FAIRFIELD (serving 5,998 people).

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