Water Quality Report
Random Lake, WI
St Croix County · 1,654 residents · 2 water systems
8
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
1
Above health guidelines
Random Lake drinking water comes from groundwater wells. Based on the most recent monitoring data, 8 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Total Trihalomethanes, and 4 others.
Contaminants detected in Random Lake water
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Lead0.00053 / 0.015 mg/L
4% of EPA limit
Nitrate0.55 / 10 mg/L
6% of EPA limit
Copper150 / 1300 ug/L
12% of EPA limit
Total Trihalomethanes4.6 / 80 ug/L
6% of EPA limit
Haloacetic Acids (HAA5)3.5 / 60 ug/L
6% of EPA limit
Nickel0.0022 mg/L
UnregulatedInorganic
Barium0.037 / 2 mg/L
2% of EPA limit
Fluoride0.33 / 4 mg/L
8% of EPA limit
Microplastics (not routinely tested)
Other cities in St Croix County
Water quality reports for nearby Wisconsin communities.
Frequently asked questions
Is Random Lake, WI tap water safe to drink?
Random Lake 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. 8 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, 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 Random Lake water?
Monitoring has detected 8 contaminants in Random Lake's water supply: Lead, Nitrate, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Barium, Fluoride. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Where does Random Lake get its drinking water?
Random Lake'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. Random Lake is served by 2 water systems, the largest being RANDOM LAKE WATERWORKS (serving 1,594 people).
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