Public water system · WA5319200
ActiveDiablo Wtr Sys-Seattle City Light
Community water system in Whatcom County, Washington, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
53
Service connections
41
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-10-23 | 57 | 5000 | Yes | Resolved |
| 2024-07-01 | 71 | 7000 | No | Resolved |
| 2022-01-01 | 03 | 1040 | No | Resolved |
| 2021-07-01 | 71 | 7000 | No | Resolved |
| 2021-01-01 | 27 | 2456 | No | Resolved |
| 2021-01-01 | 27 | 2950 | No | Resolved |
| 2013-07-01 | 71 | 7000 | No | Resolved |
| 2011-07-01 | 71 | 7000 | No | Resolved |
| 2006-01-01 | 52 | 5000 | No | Resolved |
| 2004-01-01 | 03 | 1040 | No | Resolved |
| 2000-01-01 | 52 | 5000 | No | Archived |
| 1992-11-01 | 22 | 3100 | Yes | Archived |
Diablo Wtr Sys-Seattle City Light: frequently asked questions
Is Diablo Wtr Sys-Seattle City Light's water safe to drink?
Diablo Wtr Sys-Seattle City Light is an active community water system regulated under the Safe Drinking Water Act, overseen by the WA state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Diablo Wtr Sys-Seattle City Light?
Diablo Wtr Sys-Seattle City Light (PWSID WA5319200) is a local government-owned community water system, regulated by the WA state drinking water program.
How many people does Diablo Wtr Sys-Seattle City Light serve?
Diablo Wtr Sys-Seattle City Light reports serving 53 people through 41 service connections in Whatcom County, Washington.
Where does Diablo Wtr Sys-Seattle City Light get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Whatcom County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Bellingham-Water Division City of | Whatcom | 141,127 | Community | Surface water |
| Ferndale | Whatcom | 19,305 | Community | Groundwater |
| Lynden Water Department | Whatcom | 17,969 | Community | Surface water |
| Lwwsd - South Shore Water System | Whatcom | 10,028 | Community | Surface water |
| Birch Bay Water & Sewer District | Whatcom | 9,046 | Community | Purchased groundwater |
| Blaine City of | Whatcom | 6,319 | Community | Groundwater |