Public water system · WA5398980
ActiveYacht Haven Water Cooperative
At a glance
Yacht Haven Water Cooperative (PWSID WA5398980) is an active transient non-community water system in San Juan County, Washington. It reports serving 9 people through 35 service connections. Its primary water source is surface water, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in September 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
9
Service connections
35
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Yacht Haven Water Cooperative compare with other water systems in San Juan County?
By EPA's size categories, Yacht Haven Water Cooperative 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 Yacht Haven Water Cooperative 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 Yacht Haven Water Cooperative?
EPA lists Yacht Haven Water Cooperative 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 Yacht Haven Water Cooperative have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in September 2021. The violations listed here began between January 2018 and September 2021. By type: 2 monitoring. The contaminant or rule involved most often is Revised Total Coliform 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 |
|---|---|---|---|---|
| 2021-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | 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.
Yacht Haven Water Cooperative: frequently asked questions
Who runs Yacht Haven Water Cooperative?
Yacht Haven Water Cooperative (PWSID WA5398980) is a transient non-community water system privately owned. It is regulated by the WA state drinking water program.
How many people does Yacht Haven Water Cooperative serve?
Yacht Haven Water Cooperative reports serving 9 people through 35 service connections in San Juan County, Washington.
Where does Yacht Haven Water Cooperative 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 Yacht Haven Water Cooperative have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in September 2021. 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 Yacht Haven Water Cooperative'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 September 2021. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Yacht Haven Water Cooperative's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Yacht Haven Water Cooperative 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, “Yacht Haven Water Cooperative, PWSID WA5398980, Washington”, https://aquacensus.com/water-systems/washington/yacht-haven-water-cooperative-wa5398980 (data as of October 1, 2026).