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Water Quality Report

Crookston, WI

Polk County · 7,272 residents · 1 water system

2

Contaminants detected

1

PFAS compounds

Hardness (mg/L)

1

Above legal limits

0

Above health guidelines

Crookston drinking water comes from groundwater wells. Based on the most recent monitoring data, 2 contaminants have been detected in the water supply, including Lead, Lithium. PFAS compounds have been detected at trace levels in Crookston water.

Contaminants detected in Crookston water

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

Lead0.017 / 0.015 mg/L
113% of EPA limit
Lithium11 ug/L
Unregulated
PFAS (1 compounds detected)
Microplastics (not routinely tested)

Other cities in Polk County

Water quality reports for nearby Minnesota communities.

Frequently asked questions

Is Crookston, WI tap water safe to drink?
Crookston tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels). 2 contaminants have been detected in the water supply, including Lead, Lithium. 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 Crookston water?
Monitoring has detected 2 contaminants in Crookston's water supply: Lead, 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 Crookston water have PFAS?
Yes. 1 PFAS compounds have been detected in Crookston'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 Crookston get its drinking water?
Crookston's drinking water comes from groundwater wells that draw from underground aquifers. The water is treated and tested according to Wisconsin DNR and EPA requirements before distribution. Crookston is served by one water system: Crookston.

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