Tap Water Quality Report for Okanogan, Washington

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.

Okanogan, Washington tap water has 237 total contaminants, with 12 being above EPA standards and 151 being above InTheTap suggested standards. There are 0 active violations. The primary water source is not specified, serving 0 residents.

Water Systems (42)

42 water systems serve Okanogan, Washington. Select one or more to filter the data below.

OMAK CITY OF
Public Water System ID:WA5363750
Population Served:4,940
Primary Source:Ground water
Last Updated:Dec 11, 2024
OROVILLE CITY OF
Public Water System ID:WA5364400
Population Served:3,256
Primary Source:Ground water
Last Updated:Dec 11, 2024
BREWSTER CITY OF
Public Water System ID:WA5308300
Population Served:3,235
Primary Source:Ground water
Last Updated:Dec 11, 2024
OKANOGAN WATER DEPARTMENT CITY OF
Public Water System ID:WA5363200
Population Served:2,921
Primary Source:Ground water
Last Updated:Dec 11, 2024
TONASKET WATER SYSTEM
Public Water System ID:WA5388700
Population Served:2,392
Primary Source:Ground water
Last Updated:Dec 11, 2024
COULEE DAM WATER DEPT
Public Water System ID:WA5315400
Population Served:1,359
Primary Source:Surface water
Last Updated:Dec 11, 2024

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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).