Olmsted County · 2,145 residents · 3 water systems
7
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
4
Above health guidelines
Oronoco drinking water comes from groundwater wells. Based on the most recent monitoring data, 7 contaminants have been detected in the water supply, including Lead, Nitrate, Radium, Total Trihalomethanes, and 3 others.
Contaminants detected in Oronoco water
7 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Oronoco tap water meets EPA legal standards (Maximum Contaminant Levels). However, 4 contaminants are present above independent health guidelines, which are often stricter than legal limits. 7 contaminants have been detected in the water supply, including Lead, Nitrate, 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 Oronoco water?
Monitoring has detected 7 contaminants in Oronoco's water supply: Lead, Nitrate, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5), Selenium, Fluoride. 4 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Where does Oronoco get its drinking water?
Oronoco's drinking water comes from groundwater wells that draw from underground aquifers. The water is treated and tested according to Minnesota Department of Health and EPA requirements before distribution. Oronoco is served by 3 water systems, the largest being Oronoco (serving 2,040 people).
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