Public water system · WA5307486
ActiveMaxvale 618
At a glance
Maxvale 618 (PWSID WA5307486) is an active community water system in Thurston County, Washington. It reports serving 88 people through 35 service connections. 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
88
Service connections
35
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Maxvale 618 compare with other water systems in Thurston County?
By EPA's size categories, Maxvale 618 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 community water system reports serving 6,703 people, so Maxvale 618 is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Washington has 2,392 active community water systems, 51% 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 Maxvale 618?
EPA lists Maxvale 618 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 Maxvale 618 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 Maxvale 618. For the latest compliance status, check EPA ECHO for current compliance history.
Maxvale 618: frequently asked questions
Who runs Maxvale 618?
Maxvale 618 (PWSID WA5307486) is a community water system owned by a local government. It is regulated by the WA state drinking water program.
How many people does Maxvale 618 serve?
Maxvale 618 reports serving 88 people through 35 service connections in Thurston County, Washington.
Where does Maxvale 618 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 Maxvale 618 have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Maxvale 618'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 the system's annual water quality report, EPA ECHO, or the WA state drinking water program.
Where can I find Maxvale 618's water quality report?
As a community water system, Maxvale 618 must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
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, “Maxvale 618, PWSID WA5307486, Washington”, https://aquacensus.com/water-systems/washington/maxvale-618-wa5307486 (data as of October 1, 2026).