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Water Quality Report

Ortonville, MN

Big Stone County · 2,021 residents · 1 water system

7

Contaminants detected

1

PFAS compounds

Hardness (mg/L)

1

Above legal limits

0

Above health guidelines

Ortonville 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, Copper, Radium, and 3 others. PFAS compounds have been detected at trace levels in Ortonville water.

Contaminants detected in Ortonville 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
Nitrate2.6 / 10 mg/L
26% of EPA limit
Copper1.4 / 1.3 mg/L
108% of EPA limit
Radium1.9 / 5 pCi/L
38% of EPA limit
Total Trihalomethanes31.3 / 80 ug/L
39% of EPA limit
5% of EPA limit
Lithium72 ug/L
Unregulated
PFAS (1 compounds detected)
Microplastics (not routinely tested)

Other cities in Big Stone County

Water quality reports for nearby Minnesota communities.

Frequently asked questions

Is Ortonville, MN tap water safe to drink?
Ortonville tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels). 7 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, Total Trihalomethanes. 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 Ortonville water?
Monitoring has detected 7 contaminants in Ortonville's water supply: Lead, Nitrate, Copper, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5), Lithium. Additionally, 1 PFAS compounds have been detected at trace levels. 1 of these are above EPA legal limits. See individual system reports for concentrations relative to EPA limits.
Does Ortonville water have PFAS?
Yes. 1 PFAS compounds have been detected in Ortonville'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.
Where does Ortonville get its drinking water?
Ortonville'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. Ortonville is served by one water system: Ortonville.

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