Public water system · WA5302395

Active

Birch Bay Square Water Operation

At a glance

Birch Bay Square Water Operation (PWSID WA5302395) is an active non-transient non-community water system in Whatcom County, Washington. It reports serving 915 people through 45 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2022.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

915

Service connections

Primary source

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDWA5302395

System typeNon-transient non-community water system

Activity statusActive

Population served915

Service connections45

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyWA state drinking water program

City served—

StateWashington

ZIP—

CountyWhatcom County

How does Birch Bay Square Water Operation compare with other water systems in Whatcom County?

By EPA's size categories, Birch Bay Square Water Operation is a small system (501 to 3,300 people). Whatcom County has 183 active public water systems. Its population served is about 36% below the county average of 1,437 people per system, and accounts for 0.3% 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 non-transient non-community water system reports serving 430 people, so Birch Bay Square Water Operation is about twice that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Washington has 400 active non-transient non-community water systems, 8.5% of the state's 4,705 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 4,370 Washington systems (93%) list groundwater as their primary source.

Who owns and regulates Birch Bay Square Water Operation?

EPA lists Birch Bay Square Water Operation as privately owned. 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. 140 of the 183 active systems in Whatcom County (77%) are also privately owned.

Does Birch Bay Square Water Operation have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2022. The violations listed here began between January 2014 and April 2022. By type: 9 monitoring and reporting and 3 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (3 of them). EPA lists 12 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
2022-04-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2022-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2021-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2021-01-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-07-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2018-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2018-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2014-01-01	Monitoring and reportingMonitoring, Regular · code 03	Hexachlorobenzenecode 2274	No	Resolved
2014-01-01	Monitoring and reportingMonitoring, Regular · code 03	Benzo(a)pyrenecode 2306	No	Resolved
2014-01-01	Monitoring and reportingMonitoring, Regular · code 03	Alachlor (Lasso)code 2051	No	Resolved
2014-01-01	Monitoring and reportingMonitoring, Regular · code 03	Chlordanecode 2959	No	Resolved

The 12 most recent 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.

Birch Bay Square Water Operation: frequently asked questions

Who runs Birch Bay Square Water Operation?

Birch Bay Square Water Operation (PWSID WA5302395) is a non-transient non-community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Birch Bay Square Water Operation serve?

Birch Bay Square Water Operation reports serving 915 people through 45 service connections in Whatcom County, Washington.

Where does Birch Bay Square Water Operation get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Birch Bay Square Water Operation have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2022. 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 Birch Bay Square Water Operation'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2022. For current results, consult EPA ECHO, or the WA state drinking water program.

Where can I find Birch Bay Square Water Operation's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Birch Bay Square Water Operation is a non-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, “Birch Bay Square Water Operation, PWSID WA5302395, Washington”, https://aquacensus.com/water-systems/washington/birch-bay-square-water-operation-wa5302395 (data as of October 1, 2026).