Public water system · WA5304853
ActiveBay Head Water Users Assoc Inc.
At a glance
Bay Head Water Users Assoc Inc. (PWSID WA5304853) is an active transient non-community water system in San Juan County, Washington. It reports serving 20 people through 15 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in October 1979.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
20
Service connections
15
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Bay Head Water Users Assoc Inc. compare with other water systems in San Juan County?
By EPA's size categories, Bay Head Water Users Assoc Inc. is a very small system (500 people or fewer). San Juan County has 112 active public water systems. Its population served is well below the county average of 361 people per system, and accounts for less than 0.1% of the 40,377 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 Bay Head Water Users Assoc Inc. 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. 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 Bay Head Water Users Assoc Inc.?
EPA lists Bay Head Water Users Assoc Inc. 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. 92 of the 112 active systems in San Juan County (82%) are also privately owned.
Does Bay Head Water Users Assoc Inc. have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in October 1979. By type: 1 monitoring and reporting. The contaminant or rule involved is Gross alpha (excluding radon and uranium). EPA lists 1 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 |
|---|---|---|---|---|
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
The one violation in EPA's records.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.
Bay Head Water Users Assoc Inc.: frequently asked questions
Who runs Bay Head Water Users Assoc Inc.?
Bay Head Water Users Assoc Inc. (PWSID WA5304853) is a transient non-community water system privately owned. It is regulated by the WA state drinking water program.
How many people does Bay Head Water Users Assoc Inc. serve?
Bay Head Water Users Assoc Inc. reports serving 20 people through 15 service connections in San Juan County, Washington.
Where does Bay Head Water Users Assoc Inc. 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 Bay Head Water Users Assoc Inc. have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in October 1979. 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 Bay Head Water Users Assoc Inc.'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 one violation for this system; it is not health-based, and the most recent began in October 1979. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Bay Head Water Users Assoc Inc.'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Bay Head Water Users Assoc Inc. 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 San Juan County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Moran State Park-Mountain Lake | San Juan | 4,804 | Transient non-community | Surface water |
| Moran State Park - Summit Lake | San Juan | 4,803 | Transient non-community | Groundwater under influence of surface water |
| Moran State Park-Cascade Lake | San Juan | 4,783 | Transient non-community | Surface water |
| Eastsound Water Users Association | San Juan | 3,711 | Community | Surface water |
| Friday Harbor Town of | San Juan | 3,543 | Community | Surface water |
| Limekiln State Park | San Juan | 2,149 | Transient non-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, “Bay Head Water Users Assoc Inc., PWSID WA5304853, Washington”, https://aquacensus.com/water-systems/washington/bay-head-water-users-assoc-inc-wa5304853 (data as of October 1, 2026).