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Water Quality Report

North Prairie, WI

Waukesha County · 2,100 residents · 1 water system

15

Contaminants detected

6

PFAS compounds

370

Hardness (mg/L)

0

Above legal limits

2

Above health guidelines

North Prairie drinking water comes from groundwater wells. Based on the most recent monitoring data, 15 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, and 11 others. PFAS compounds have been detected at trace levels in North Prairie water. Water hardness is 370 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in North Prairie water

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

Lead0.0026 / 0.015 mg/L
17% of EPA limit
Nitrate5.2 / 10 mg/L
52% of EPA limit
Arsenic0.00058 / 0.01 mg/L
6% of EPA limit
Copper1.6 / 1300 ug/L
0% of EPA limit
Radium1.1 / 5 pCi/L
21% of EPA limit
Uranium0.366 / 30 ug/L
1% of EPA limit
Gross Alpha Radiation0.047 / 15 pCi/L
0% of EPA limit
Total Trihalomethanes6.2 / 80 ug/L
8% of EPA limit
Haloacetic Acids (HAA5)2.2 / 60 ug/L
4% of EPA limit
Nickel0.0024 mg/L
UnregulatedInorganic
Fluoride0.063 / 4 mg/L
2% of EPA limit
Barium0.065 / 2 mg/L
3% of EPA limit
PFHpA (Perfluoroheptanoic Acid)2.1 ng/L
UnregulatedPFAS
Cadmium0.00002 / 0.005 mg/L
0% of EPA limit
Antimony0.00095 / 0.006 mg/L
16% of EPA limit
PFAS (6 compounds detected)
Microplastics (not routinely tested)

Water systems serving North Prairie

PRAIRIE VILLAGE WATER TRUST

2,100 servedGroundwater15 contaminants2 above guidelines
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Other cities in Waukesha County

Water quality reports for nearby Wisconsin communities.

BrookfieldButlerDelafieldDousmanEagleElm GroveHartlandLannonMenomonee FallsMenomonie FallsMukwonagoMuskego

Frequently asked questions

Is North Prairie, WI tap water safe to drink?
North Prairie tap water meets EPA legal standards (Maximum Contaminant Levels). However, 2 contaminants are present above independent health guidelines, which are often stricter than legal limits. 15 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, Radium. 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 North Prairie water?
Monitoring has detected 15 contaminants in North Prairie's water supply: Lead, Nitrate, Arsenic, Copper, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Fluoride, Barium, PFHpA (Perfluoroheptanoic Acid), Cadmium, Antimony. Additionally, 6 PFAS compounds have been detected at trace levels. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does North Prairie water have PFAS?
Yes. 6 PFAS compounds have been detected in North Prairie'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.
Is North Prairie water hard?
Yes. North Prairie water has a hardness of 370 mg/L (very hard). Hard water is not a health concern but can cause scale buildup in water heaters and appliances, reduce soap effectiveness, and leave mineral deposits. Water softeners or conditioning systems can address hardness.
Where does North Prairie get its drinking water?
North Prairie'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. North Prairie is served by one water system: PRAIRIE VILLAGE WATER TRUST.

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