Tap Water Quality Report for Grant, 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.

Grant, Washington tap water has 552 total contaminants, with 20 being above EPA standards and 355 being above InTheTap suggested standards. There are 0 active violations. The primary water source is not specified, serving 0 residents.

Water Systems (80)

80 water systems serve Grant, Washington. Select one or more to filter the data below.

MOSES LAKE CITY OF
Public Water System ID:WA5356300
Population Served:32,428
Primary Source:Ground water
Last Updated:Dec 11, 2024
EPHRATA WATER DEPARTMENT
Public Water System ID:WA5323650
Population Served:8,620
Primary Source:Ground water
Last Updated:Dec 11, 2024
QUINCY WATER DEPARTMENT CITY OF
Public Water System ID:WA5370450
Population Served:8,415
Primary Source:Ground water
Last Updated:Dec 11, 2024
Mattawa City of
Public Water System ID:WA5352000
Population Served:5,015
Primary Source:Ground water
Last Updated:Dec 11, 2024
WARDEN CITY OF
Public Water System ID:WA5392850
Population Served:4,674
Primary Source:Ground water
Last Updated:Dec 11, 2024
ROYAL CITY WATER
Public Water System ID:WA5374700
Population Served:3,389
Primary Source:Ground water
Last Updated:Dec 11, 2024

Stay Updated

Subscribe to receive updates about water quality in Grant, Washington 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).