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Water Quality Report

Clarks Grove, MN

Freeborn County · 695 residents · 1 water system

7

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

1

Above legal limits

1

Above health guidelines

Clarks Grove 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, Arsenic, Copper, and 3 others.

Contaminants detected in Clarks Grove 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
Nitrate0.025 / 10 mg/L
0% of EPA limit
Arsenic0.0024 / 0.01 mg/L
24% of EPA limit
Copper1.6 / 1.3 mg/L
121% of EPA limit
Radium1.5 / 5 pCi/L
30% of EPA limit
2% of EPA limit
6% of EPA limit
Microplastics (not routinely tested)

Other cities in Freeborn County

Water quality reports for nearby Minnesota communities.

Frequently asked questions

Is Clarks Grove, MN tap water safe to drink?
Clarks Grove tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels), and 1 above independent health guidelines. 7 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, how they compare to both legal limits and health guidelines, and what actions to take.
What contaminants are in Clarks Grove water?
Monitoring has detected 7 contaminants in Clarks Grove's water supply: Lead, Nitrate, Arsenic, Copper, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5). 1 of these are above EPA legal limits. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Where does Clarks Grove get its drinking water?
Clarks Grove'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. Clarks Grove is served by one water system: Clarks Grove.

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