Water Quality Report
Hollandale, WI
Iowa County · 283 residents · 1 water system
9
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
1
Above health guidelines
Hollandale drinking water comes from groundwater wells. Based on the most recent monitoring data, 9 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, and 5 others. PFAS testing has been conducted with no detections.
Contaminants detected in Hollandale 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
Nitrate0.051 / 10 mg/L
1% of EPA limit
Copper124 / 1300 ug/L
10% of EPA limit
Radium2 / 5 pCi/L
39% of EPA limit
Uranium0.55 / 30 ug/L
2% of EPA limit
Gross Alpha Radiation9 / 15 pCi/L
60% of EPA limit
Toluene1.4 / 1000 ug/L
0% of EPA limit
Barium0.016 / 2 mg/L
1% of EPA limit
Fluoride0.08 / 4 mg/L
2% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)
Water systems serving Hollandale
Other cities in Iowa County
Water quality reports for nearby Wisconsin communities.
Frequently asked questions
Is Hollandale, WI tap water safe to drink?
Hollandale 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, Nitrate, Copper, Radium, Uranium. 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 Hollandale water?
Monitoring has detected 9 contaminants in Hollandale's water supply: Lead, Nitrate, Copper, Radium, Uranium, Gross Alpha Radiation, Toluene, Barium, Fluoride. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Hollandale water have PFAS?
Hollandale'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 Hollandale get its drinking water?
Hollandale'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. Hollandale is served by one water system: HOLLANDALE WATERWORKS.
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