Public water system · WA5311260
ActiveCarpentar
At a glance
Carpentar (PWSID WA5311260) is an active transient non-community water system in Thurston County, Washington. It reports serving 27 people through 3 service connections. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
27
Service connections
3
Primary source
—
Not reported
System type
TNCWS
Transient non-community water system
System record
How does Carpentar compare with other water systems in Thurston County?
By EPA's size categories, Carpentar 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 transient non-community water system reports serving 144 people, so Carpentar 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.
Who owns and regulates Carpentar?
EPA lists Carpentar 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. 237 of the 322 active systems in Thurston County (74%) are also privately owned.
Does Carpentar 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 Carpentar. For the latest compliance status, check EPA ECHO for current compliance history.
Carpentar: frequently asked questions
Who runs Carpentar?
Carpentar (PWSID WA5311260) is a transient non-community water system privately owned. It is regulated by the WA state drinking water program.
How many people does Carpentar serve?
Carpentar reports serving 27 people through 3 service connections in Thurston County, Washington.
Does Carpentar have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Carpentar'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 Carpentar's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Carpentar 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 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, “Carpentar, PWSID WA5311260, Washington”, https://aquacensus.com/water-systems/washington/carpentar-wa5311260 (data as of October 1, 2026).