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

COUNTY WATER-SYSTEM LEDGER

Flathead, Montana

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

Systems5active CWS · pop. 2,500+
Population served53,743reported total; may overlap
Current violation flag0.0%0 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Flathead

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

Water systemPopulation servedPrimary sourceCurrent export status
Kalispell Public WorksMT000025925,000Ground waterNo current violation flagged
Whitefish City OfMT000035710,418Surface waterNo current violation flagged
Flathead County Water And SewerMT00017447,775Ground waterNo current violation flagged
Bigfork County Water And SewerMT00002626,100Ground waterNo current violation flagged
Columbia Falls City OfMT00001814,450Ground waterNo current violation flagged

02 / SOURCE MIX

Ground water4 systems · 43,325 served
Surface water1 systems · 10,418 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.