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Water Quality Report

Plymouth, MN

Hennepin County · 76,846 residents · 2 water systems

8

Contaminants detected

3

PFAS compounds

Hardness (mg/L)

0

Above legal limits

3

Above health guidelines

Plymouth drinking water comes from groundwater wells. Based on the most recent monitoring data, 8 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Radium, and 4 others. PFAS compounds have been detected at trace levels in Plymouth water.

Contaminants detected in Plymouth water

Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.

Lead0.002 / 0.015 mg/L
13% of EPA limit
Nitrate0.025 / 10 mg/L
0% of EPA limit
Arsenic0.0011 / 0.01 mg/L
12% of EPA limit
Radium2.5 / 5 pCi/L
50% of EPA limit
Total Trihalomethanes33.1 / 80 ug/L
41% of EPA limit
24% of EPA limit
Lithium13.2 ug/L
Unregulated
PFBA (Perfluorobutanoic Acid)14 ng/L
UnregulatedPFAS
PFAS (3 compounds detected)
Microplastics (not routinely tested)

Other cities in Hennepin County

Water quality reports for nearby Minnesota communities.

Frequently asked questions

Is Plymouth, MN tap water safe to drink?
Plymouth tap water meets EPA legal standards (Maximum Contaminant Levels). However, 3 contaminants are present above independent health guidelines, which are often stricter than legal limits. 8 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Radium, Total Trihalomethanes. 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 Plymouth water?
Monitoring has detected 8 contaminants in Plymouth's water supply: Lead, Nitrate, Arsenic, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5), Lithium, PFBA (Perfluorobutanoic Acid). Additionally, 3 PFAS compounds have been detected at trace levels. 3 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Plymouth water have PFAS?
Yes. 3 PFAS compounds have been detected in Plymouth'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 Plymouth get its drinking water?
Plymouth'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. Plymouth is served by 2 water systems, the largest being Plymouth (serving 76,546 people).

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