Public water system · WA5374398
ActiveRoss Power House
At a glance
Ross Power House (PWSID WA5374398) is an active transient non-community water system in Whatcom County, Washington. It reports serving 44 people through 1 service connection. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; 4 are health-based, and the most recent began in February 2000.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
44
Service connections
1
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Ross Power House compare with other water systems in Whatcom County?
By EPA's size categories, Ross Power House is a very small system (500 people or fewer). Whatcom County has 183 active public water systems. Its population served is well below the county average of 1,437 people per system, and accounts for less than 0.1% 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 transient non-community water system reports serving 144 people, so Ross Power House is well below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Washington has 1,913 active transient non-community water systems, 41% of the state's 4,705 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 140 Washington systems (3%) list surface water as their primary source.
Who owns and regulates Ross Power House?
EPA lists Ross Power House 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 Ross Power House have drinking water violations?
EPA's records list 5 violations for this system; 4 are health-based, and the most recent began in February 2000. The violations listed here began between June 1997 and February 2000. By type: 4 required treatment not met and 1 monitoring and reporting. The contaminant or rule involved most often is Surface Water Treatment Rule (4 of them). EPA lists 5 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2000-02-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Archived |
| 1999-11-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Archived |
| 1999-10-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Archived |
| 1999-08-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Archived |
| 1997-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 5 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.
Ross Power House: frequently asked questions
Who runs Ross Power House?
Ross Power House (PWSID WA5374398) is a transient non-community water system owned by a local government. It is regulated by the WA state drinking water program.
How many people does Ross Power House serve?
Ross Power House reports serving 44 people through 1 service connection in Whatcom County, Washington.
Where does Ross Power House get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Ross Power House have any drinking water violations?
EPA's records list 5 violations for this system; 4 are health-based, and the most recent began in February 2000. 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 Ross Power House'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 5 violations for this system; 4 are health-based, and the most recent began in February 2000. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Ross Power House's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Ross Power House is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
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, “Ross Power House, PWSID WA5374398, Washington”, https://aquacensus.com/water-systems/washington/ross-power-house-wa5374398 (data as of October 1, 2026).