Public water system · WA53AC512
ActiveThurston County Eoc
At a glance
Thurston County Eoc (PWSID WA53AC512) is an active non-transient non-community water system in Thurston County, Washington. It reports serving 30 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
30
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Thurston County Eoc compare with other water systems in Thurston County?
By EPA's size categories, Thurston County Eoc is a very small system (500 people or fewer). Thurston County has 322 active public water systems. Its population served is well below the county average of 1,233 people per system, and accounts for less than 0.1% of the 397,060 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 Thurston County Eoc is well below 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 Thurston County Eoc?
EPA lists Thurston County Eoc 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. 73 of the 322 active systems in Thurston County (23%) are also owned by a local government.
Does Thurston County Eoc have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Thurston County Eoc. For the latest compliance status, check EPA ECHO for current compliance history.
Thurston County Eoc: frequently asked questions
Who runs Thurston County Eoc?
Thurston County Eoc (PWSID WA53AC512) is a non-transient non-community water system owned by a local government. It is regulated by the WA state drinking water program.
How many people does Thurston County Eoc serve?
Thurston County Eoc reports serving 30 people through 1 service connection in Thurston County, Washington.
Where does Thurston County Eoc 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 Thurston County Eoc have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Thurston County Eoc'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Thurston County Eoc's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Thurston County Eoc 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 Thurston County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Olympia City of | Thurston | 126,966 | Community | Groundwater |
| Lacey Water Department | Thurston | 105,178 | Community | Groundwater |
| Tumwater City of | Thurston | 51,802 | Community | Groundwater |
| Yelm City of | Thurston | 17,355 | Community | Groundwater |
| Tanglewilde Thompson Place 600 | Thurston | 7,900 | Community | Groundwater |
| Pattison 500 | Thurston | 4,643 | 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, “Thurston County Eoc, PWSID WA53AC512, Washington”, https://aquacensus.com/water-systems/washington/thurston-county-eoc-wa53ac512 (data as of October 1, 2026).