Tap Water Quality Report for Washington, Minnesota

Last Provided Update:N/A
Next Expected Update:April 19, 2025

Track your tap water quality with EPA-verified data on contaminants, violations, and health guidelines, updated quarterly from official water system monitoring results.

Washington, Minnesota tap water has 346 total contaminants, with 14 being above EPA standards and 244 being above InTheTap suggested standards. There are 0 active violations. The primary water source is not specified, serving 0 residents.

Water Systems (29)

29 water systems serve Washington, Minnesota. Select one or more to filter the data below.

Woodbury
Public Water System ID:MN1820025
Population Served:82,643
Primary Source:Ground water
Last Updated:Nov 26, 2024
Contact:
Cottage Grove
Public Water System ID:MN1820004
Population Served:39,712
Primary Source:Ground water
Last Updated:Nov 26, 2024
Contact:
Oakdale
Public Water System ID:MN1820016
Population Served:28,674
Primary Source:Ground water
Last Updated:Nov 26, 2024
Contact:
Stillwater
Public Water System ID:MN1820024
Population Served:19,389
Primary Source:Ground water
Last Updated:Nov 26, 2024
Contact:
Hugo
Public Water System ID:MN1820007
Population Served:12,047
Primary Source:Ground water
Last Updated:Nov 26, 2024
Contact:
Forest Lake
Public Water System ID:MN1820005
Population Served:11,800
Primary Source:Ground water
Last Updated:Nov 26, 2024
Contact:

Stay Updated

Subscribe to receive updates about water quality in Washington, Minnesota and learn about ways to ensure your drinking water is safe.

Water Quality Analysis

Comprehensive analysis of your water quality, showing both detected contaminants and violations history. Note that exceeding EPA contaminant levels in a single test doesn't always constitute a violation, as violations typically require sustained exceedances or failure to follow required treatment protocols.

Water Analysis

View detected contaminants and concentration levels for your water system(s).