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Water Quality Report

Beaver Dam, WI

Dodge County · 16,325 residents · 2 water systems

9

Contaminants detected

0

PFAS compounds

Hardness (mg/L)

0

Above legal limits

1

Above health guidelines

Beaver Dam drinking water comes from groundwater wells. Based on the most recent monitoring data, 9 contaminants have been detected in the water supply, including Lead, Copper, Radium, Total Trihalomethanes, and 5 others. PFAS testing has been conducted with no detections.

Contaminants detected in Beaver Dam water

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

Lead0.0113 / 0.015 mg/L
75% of EPA limit
Copper40.5 / 1300 ug/L
3% of EPA limit
Radium0.66 / 5 pCi/L
13% of EPA limit
Total Trihalomethanes11.9 / 80 ug/L
15% of EPA limit
2% of EPA limit
Nickel0.0047 mg/L
UnregulatedInorganic
Fluoride0.76 / 4 mg/L
19% of EPA limit
Di(2-ethylhexyl) phthalate0.33 / 6 ug/L
6% of EPA limit
Barium0.0123 / 2 mg/L
1% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)

Other cities in Dodge County

Water quality reports for nearby Wisconsin communities.

Frequently asked questions

Is Beaver Dam, WI tap water safe to drink?
Beaver Dam tap water meets EPA legal standards (Maximum Contaminant Levels). However, 1 contaminant is present above independent health guidelines, which are often stricter than legal limits. 9 contaminants have been detected in the water supply, including Lead, Copper, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5). 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 Beaver Dam water?
Monitoring has detected 9 contaminants in Beaver Dam's water supply: Lead, Copper, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Fluoride, Di(2-ethylhexyl) phthalate, Barium. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Beaver Dam water have PFAS?
Beaver Dam'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 Beaver Dam get its drinking water?
Beaver Dam'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. Beaver Dam is served by 2 water systems, the largest being BEAVER DAM WATER UTILITY (serving 16,200 people).

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