Skip to content

Water Quality Report

Warren, WI

Marshall County · 4,846 residents · 2 water systems

0

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

2

Above health guidelines

Warren drinking water comes from groundwater wells. Based on the most recent monitoring data, 0 contaminants have been detected in the water supply.

Limited monitoring data available

The water systems serving Warren are small private systems (population served: 4,846) and are not part of Wisconsin DNR's main contaminant monitoring program. No detected contaminant data is available for these systems.

If you're researching the main municipal utility serving Warren, search for your specific address below — the search returns the actual water system serving your residence, which may be different from what's listed here.

Water systems serving Warren

Marshall-Polk Rural Water System

3,295 servedGroundwater0 contaminants1 above guideline
View →

Warren

1,551 servedGroundwater0 contaminants1 above guideline
View →

Other cities in Marshall County

Water quality reports for nearby Minnesota communities.

AlvaradoArgyleGryglaHoltMiddle RiverNewfoldenOsloStephenStrandquistViking

Frequently asked questions

Is Warren, WI tap water safe to drink?
Warren tap water meets EPA legal standards (Maximum Contaminant Levels). However, 2 contaminants are present above independent health guidelines, which are often stricter than legal limits. 0 contaminants have been detected in the water supply, including . 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 Warren water?
Monitoring has detected 0 contaminants in Warren's water supply: . 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Where does Warren get its drinking water?
Warren'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. Warren is served by 2 water systems, the largest being Marshall-Polk Rural Water System (serving 3,295 people).

Check your water quality

Enter your address for a detailed report specific to your water system.

On a private well? Search your address for nearby groundwater monitoring data.

Free water assessment in Warren.

Schedule an onsite consultation.

For my businessFor my home