Public water system · WA5395900
ActiveWhatcom County Water Dist #7
At a glance
Whatcom County Water Dist #7 (PWSID WA5395900) is an active community water system in Whatcom County, Washington. It reports serving 1,410 people through 699 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,410
Service connections
699
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Whatcom County Water Dist #7 compare with other water systems in Whatcom County?
By EPA's size categories, Whatcom County Water Dist #7 is a small system (501 to 3,300 people). Whatcom County has 183 active public water systems. Its population served is roughly in line with the county average of 1,437 people per system, and accounts for 0.5% of the 263,011 people reported by systems filed under the county. Across Washington, the 4,705 active systems average 2,172 people each. Nationally, the average active community water system reports serving 6,703 people, so Whatcom County Water Dist #7 is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Washington has 2,392 active community water systems, 51% of the state's 4,705 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 130 Washington systems (2.8%) list purchased surface water as their primary source.
Who owns and regulates Whatcom County Water Dist #7?
EPA lists Whatcom County Water Dist #7 as owned by a local government. The WA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 28 of the 183 active systems in Whatcom County (15%) are also owned by a local government.
Does Whatcom County Water Dist #7 have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2012. The violations listed here began between July 2011 and July 2012. By type: 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (2 of them). EPA lists 2 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2012-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2011-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
All 2 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Whatcom County Water Dist #7: frequently asked questions
Who runs Whatcom County Water Dist #7?
Whatcom County Water Dist #7 (PWSID WA5395900) is a community water system owned by a local government. It is regulated by the WA state drinking water program.
How many people does Whatcom County Water Dist #7 serve?
Whatcom County Water Dist #7 reports serving 1,410 people through 699 service connections in Whatcom County, Washington.
Where does Whatcom County Water Dist #7 get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Whatcom County Water Dist #7 have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2012. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Whatcom County Water Dist #7's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2012. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.
Where can I find Whatcom County Water Dist #7's water quality report?
As a community water system, Whatcom County Water Dist #7 must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Whatcom County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Bellingham-Water Division City of | Whatcom | 141,127 | Community | Surface water |
| Lynden Water Department | Whatcom | 20,062 | Community | Surface water |
| Ferndale | Whatcom | 19,305 | Community | Groundwater |
| 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 |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Whatcom County Water Dist #7, PWSID WA5395900, Washington”, https://aquacensus.com/water-systems/washington/whatcom-county-water-dist-7-wa5395900 (data as of October 1, 2026).