EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

COUNTY WATER-SYSTEM LEDGER

Grant, Washington

Compare active community water systems serving this county in EPA's public export. Systems can serve multiple places, so population totals may overlap.

Systems7active CWS · pop. 2,500+
Population served65,850reported total; may overlap
Current violation flag0.0%0 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Grant

Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.

Water systemPopulation servedPrimary sourceCurrent export status
Moses Lake City OfWA535630032,428Ground waterNo current violation flagged
Ephrata Water DepartmentWA53236508,718Ground waterNo current violation flagged
Quincy Water Department City OfWA53704508,415Ground waterNo current violation flagged
Mattawa City ofWA53520005,370Ground waterNo current violation flagged
Warden City OfWA53928504,674Ground waterNo current violation flagged
Royal City WaterWA53747003,389Ground waterNo current violation flagged
Desert Aire Owner AssnWA53190562,856Ground waterNo current violation flagged

02 / SOURCE MIX

Ground water7 systems · 65,850 served
How to read the population total

It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.