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Water Quality Report

Ripon, WI

Fond du Lac County · 7,716 residents · 1 water system

11

Contaminants detected

4

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

3

Above health guidelines

Ripon drinking water comes from groundwater wells. 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 compounds have been detected at trace levels in Ripon water.

Contaminants detected in Ripon water

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

Lead0.0035 / 0.015 mg/L
23% of EPA limit
Nitrate1.7 / 10 mg/L
17% of EPA limit
Arsenic0.0004 / 0.01 mg/L
4% of EPA limit
Copper35 / 1300 ug/L
3% of EPA limit
Total Trihalomethanes11 / 80 ug/L
14% of EPA limit
Haloacetic Acids (HAA5)8 / 60 ug/L
13% of EPA limit
Nickel0.03 mg/L
UnregulatedInorganic
Cadmium0.00002 / 0.005 mg/L
0% of EPA limit
Barium0.059 / 2 mg/L
3% of EPA limit
Fluoride0.15 / 4 mg/L
4% of EPA limit
Chromium (total)0.002 / 0.1 mg/L
2% of EPA limit
PFAS (4 compounds detected)
Microplastics (not routinely tested)

Water systems serving Ripon

RIPON WATER UTILITY

7,716 servedGroundwater11 contaminants3 above guidelines
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Other cities in Fond du Lac County

Water quality reports for nearby Wisconsin communities.

BrandonCampbellsportFairwaterFond Du LacMt CalvaryNorth Fond Du LacOakfieldSt Cloud

Frequently asked questions

Is Ripon, WI tap water safe to drink?
Ripon 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 Ripon water?
Monitoring has detected 11 contaminants in Ripon's water supply: Lead, Nitrate, Arsenic, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Cadmium, Barium, Fluoride, Chromium (total). Additionally, 4 PFAS compounds have been detected at trace levels. 3 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Ripon water have PFAS?
Yes. 4 PFAS compounds have been detected in Ripon's water supply at trace levels. PFAS are sometimes called "forever chemicals" because they do not break down in the environment. The EPA has set Maximum Contaminant Levels for several PFAS compounds. View the detailed report for specific concentrations.
Where does Ripon get its drinking water?
Ripon's drinking water comes from groundwater wells that draw from underground aquifers. The water is treated and tested according to Wisconsin DNR and EPA requirements before distribution. Ripon is served by one water system: RIPON WATER UTILITY.

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