Public water system · WA53SP820
ActiveSouth Whidbey State Park
At a glance
South Whidbey State Park (PWSID WA53SP820) is an active transient non-community water system in Island County, Washington. It reports serving 1,203 people through 28 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in January 2006.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,203
Service connections
28
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does South Whidbey State Park compare with other water systems in Island County?
By EPA's size categories, South Whidbey State Park is a small system (501 to 3,300 people). Island County has 307 active public water systems. Its population served is about 3.6 times the county average of 335 people per system, and accounts for 1.2% of the 102,977 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 South Whidbey State Park is about 8.4 times 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 South Whidbey State Park?
EPA lists South Whidbey State Park as owned by a state 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. 5 of the 307 active systems in Island County (1.6%) are also owned by a state government.
Does South Whidbey State Park have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in January 2006. The violations listed here began between June 1992 and January 2006. By type: 3 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2006-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1994-10-19 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1994-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1992-06-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 4 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.
South Whidbey State Park: frequently asked questions
Who runs South Whidbey State Park?
South Whidbey State Park (PWSID WA53SP820) is a transient non-community water system owned by a state government. It is regulated by the WA state drinking water program.
How many people does South Whidbey State Park serve?
South Whidbey State Park reports serving 1,203 people through 28 service connections in Island County, Washington.
Where does South Whidbey State Park 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 South Whidbey State Park have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in January 2006. 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 South Whidbey State Park'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 4 violations for this system; 1 is health-based, and the most recent began in January 2006. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find South Whidbey State Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. South Whidbey State Park 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 Island County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Oak Harbor City of | Island | 23,675 | Community | Purchased surface water |
| Naval Air Station/Whidbey Island | Island | 16,595 | Community | Purchased surface water |
| Coupeville Town of | Island | 4,142 | Community | Groundwater |
| Camano Water Association | Island | 2,592 | Community | Groundwater |
| Clinton Water District | Island | 1,980 | Community | Groundwater |
| Camano Island State Park | Island | 1,718 | 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, “South Whidbey State Park, PWSID WA53SP820, Washington”, https://aquacensus.com/water-systems/washington/south-whidbey-state-park-wa53sp820 (data as of October 1, 2026).