COUNTY WATER-SYSTEM LEDGER
Whatcom, Washington
EPA’s September 2026 export lists 8 active community water systems serving Whatcom, Washington, with 0 current-violation flags and 0 serious-violator flags among the covered systems.
Source: EPA SDWIS system-search export · Active community systems serving 2,500+ people · Snapshot 13 Sep 2026
01 / SYSTEMS
Water systems serving Whatcom, Washington
EPA associates 8 covered systems with Whatcom, Washington; their reported population-served values total 212,428 and may overlap.
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Bellingham-Water Division City OfWA5305600 | 141,127 | Surface water | No current violation flagged |
| Lynden Water DepartmentWA5349150 | 20,062 | Surface water | No current violation flagged |
| FerndaleWA5324850 | 19,305 | Ground water | No current violation flagged |
| Lwwsd - South Shore Water SystemWA5395910 | 10,028 | Surface water | No current violation flagged |
| Birch Bay Water & Sewer DistrictWA5395904 | 9,046 | Ground water purchased | No current violation flagged |
| Blaine City OfWA5307300 | 6,319 | Ground water | No current violation flagged |
| Everson City OfWA5324200 | 3,893 | Ground water | No current violation flagged |
| Columbia Valley Water DistrictWA5366110 | 2,648 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Whatcom, Washington
EPA classifies 8 systems serving Whatcom, Washington across 3 primary-source categories; Surface water is the largest category with 3 systems.
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.