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Water Quality Report

Sauk Rapids, MN

Benton County · 14,225 residents · 5 water systems

17

Contaminants detected

10

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

5

Above health guidelines

Sauk Rapids drinking water comes from groundwater wells. Based on the most recent monitoring data, 17 contaminants have been detected in the water supply, including Lead, Nitrate, Radium, Trichloroethylene, and 13 others. PFAS compounds have been detected at trace levels in Sauk Rapids water.

Contaminants detected in Sauk Rapids 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
Nitrate3.7 / 10 mg/L
37% of EPA limit
Radium0.9 / 5 pCi/L
18% of EPA limit
Trichloroethylene0.05 / 5 ug/L
1% of EPA limit
Tetrachloroethylene0.1 / 5 ug/L
2% of EPA limit
Total Trihalomethanes14.5 / 80 ug/L
18% of EPA limit
23% of EPA limit
Fluoride0.69 / 4 mg/L
17% of EPA limit
PFHpA (Perfluoroheptanoic Acid)1.9 ng/L
UnregulatedPFAS
Pfhps0.06 ng/L
UnregulatedPFAS
PFPeA (Perfluoropentanoic Acid)4.8 ng/L
UnregulatedPFAS
PFPeS (Perfluoropentane Sulfonate)0.46 ng/L
UnregulatedPFAS
Pfpea0.006 ug/L
Unregulated
Pfhxa0.0074 ug/L
Unregulated
PFBA (Perfluorobutanoic Acid)7.2 ng/L
UnregulatedPFAS
Lithium9.1 ug/L
Unregulated
Pfhpa0.0036 ug/L
Unregulated
PFAS (10 compounds detected)
Microplastics (not routinely tested)

Other cities in Benton County

Water quality reports for nearby Minnesota communities.

Frequently asked questions

Is Sauk Rapids, MN tap water safe to drink?
Sauk Rapids tap water meets EPA legal standards (Maximum Contaminant Levels). However, 5 contaminants are present above independent health guidelines, which are often stricter than legal limits. 17 contaminants have been detected in the water supply, including Lead, Nitrate, Radium, Trichloroethylene, Tetrachloroethylene. 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 Sauk Rapids water?
Monitoring has detected 17 contaminants in Sauk Rapids's water supply: Lead, Nitrate, Radium, Trichloroethylene, Tetrachloroethylene, Total Trihalomethanes, Haloacetic Acids (HAA5), Fluoride, PFHpA (Perfluoroheptanoic Acid), Pfhps, PFPeA (Perfluoropentanoic Acid), PFPeS (Perfluoropentane Sulfonate), Pfpea, Pfhxa, PFBA (Perfluorobutanoic Acid), Lithium, Pfhpa. Additionally, 10 PFAS compounds have been detected at trace levels. 5 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Sauk Rapids water have PFAS?
Yes. 10 PFAS compounds have been detected in Sauk Rapids'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 Sauk Rapids get its drinking water?
Sauk Rapids'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. Sauk Rapids is served by 5 water systems, the largest being Sauk Rapids (serving 13,835 people).

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