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

COUNTY WATER-SYSTEM LEDGER

Whatcom, Washington

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

Systems8active CWS · pop. 2,500+
Population served212,428reported total; may overlap
Current violation flag0.0%0 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Whatcom

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

Water systemPopulation servedPrimary sourceCurrent export status
Bellingham-Water Division City OfWA5305600141,127Surface waterNo current violation flagged
Lynden Water DepartmentWA534915020,062Surface waterNo current violation flagged
FerndaleWA532485019,305Ground waterNo current violation flagged
Lwwsd - South Shore Water SystemWA539591010,028Surface waterNo current violation flagged
Birch Bay Water & Sewer DistrictWA53959049,046Ground water purchasedNo current violation flagged
Blaine City OfWA53073006,319Ground waterNo current violation flagged
Everson City OfWA53242003,893Ground waterNo current violation flagged
Columbia Valley Water DistrictWA53661102,648Ground waterNo current violation flagged

02 / SOURCE MIX

Surface water3 systems · 171,217 served
Ground water4 systems · 32,165 served
Ground water purchased1 systems · 9,046 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.