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Water Quality Report

Mountain Iron, MN

St. Louis County · 2,880 residents · 1 water system

4

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

0

Above health guidelines

Mountain Iron drinking water comes from groundwater wells. Based on the most recent monitoring data, 4 contaminants have been detected in the water supply, including Lead, Nitrate, Total Trihalomethanes, Haloacetic Acids (HAA5).

Contaminants detected in Mountain Iron 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
Nitrate0.1 / 10 mg/L
1% of EPA limit
Total Trihalomethanes20.7 / 80 ug/L
26% of EPA limit
Haloacetic Acids (HAA5)2.3 / 60 ug/L
4% of EPA limit
Microplastics (not routinely tested)

Water systems serving Mountain Iron

Mountain Iron

2,880 servedGroundwater4 contaminants
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Other cities in St. Louis County

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Frequently asked questions

Is Mountain Iron, MN tap water safe to drink?
Mountain Iron tap water meets EPA legal standards (Maximum Contaminant Levels) and independent health guidelines. 4 contaminants have been detected in the water supply, including Lead, Nitrate, Total Trihalomethanes, Haloacetic Acids (HAA5). Detection does not necessarily mean unsafe levels. View the detailed report for each water system to see specific levels.
What contaminants are in Mountain Iron water?
Monitoring has detected 4 contaminants in Mountain Iron's water supply: Lead, Nitrate, Total Trihalomethanes, Haloacetic Acids (HAA5). See individual system reports for concentrations relative to EPA limits.
Where does Mountain Iron get its drinking water?
Mountain Iron'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. Mountain Iron is served by one water system: Mountain Iron.

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