Tap Water Quality Report for Washington, Missouri

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, Missouri tap water has 63 total contaminants, with 9 being above EPA standards and 34 being above InTheTap suggested standards. There are 0 active violations. The primary water source is not specified, serving 0 residents.

Water Systems (10)

10 water systems serve Washington, Missouri. Select one or more to filter the data below.

WASHINGTON PWS
Public Water System ID:MO6010838
Population Served:14,068
Primary Source:Ground water
Last Updated:Dec 20, 2024
Contact:
FRANKLIN COUNTY PWSD 1
Public Water System ID:MO6024211
Population Served:3,500
Primary Source:Ground water
Last Updated:Dec 20, 2024
Contact:
POTOSI EAST
Public Water System ID:MO6069096
Population Served:900
Primary Source:Ground water
Last Updated:Dec 20, 2024
Contact:
WASHINGTON COUNTY PWSD 1
Public Water System ID:MO6024633
Population Served:700
Primary Source:Ground water purchased
Last Updated:Dec 20, 2024
Contact:
ANTHONIES MILL RESORT SUBDIVISION
Public Water System ID:MO4036311
Population Served:214
Primary Source:Ground water
Last Updated:Dec 20, 2024
Contact:
GRANDVIEW PLAZA MHP
Public Water System ID:MO6048248
Population Served:179
Primary Source:Ground water
Last Updated:Dec 20, 2024
Contact:

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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).