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Public water system · WA5329887

Active

Griffin School

At a glance

Griffin School (PWSID WA5329887) is an active non-transient non-community water system in Thurston County, Washington. It reports serving 672 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2024.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

672

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDWA5329887
System typeNon-transient non-community water system
Activity statusActive
Population served672
Service connections1
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyThurston County

How does Griffin School compare with other water systems in Thurston County?

By EPA's size categories, Griffin School is a small system (501 to 3,300 people). Thurston County has 322 active public water systems. Its population served is about half of the county average of 1,233 people per system, and accounts for 0.2% 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 Griffin School is about 56% above 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 Griffin School?

EPA lists Griffin School 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 Griffin School have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2024. The violations listed here began between January 2002 and January 2024. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (2 of them). EPA lists 12 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2024-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2023-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2023-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2016-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2003-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Seleniumcode 1045NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Cyanidecode 1024NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Mercurycode 1035NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Berylliumcode 1075NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Thalliumcode 1085NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Antimonycode 1074NoResolved

The 12 most recent 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.

Griffin School: frequently asked questions

Who runs Griffin School?

Griffin School (PWSID WA5329887) 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 Griffin School serve?

Griffin School reports serving 672 people through 1 service connection in Thurston County, Washington.

Where does Griffin School 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 Griffin School have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2024. 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 Griffin School'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2024. For current results, consult EPA ECHO, or the WA state drinking water program.

Where can I find Griffin School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Griffin School 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 systemCountyPopulation servedTypeSource
Olympia City ofThurston126,966CommunityGroundwater
Lacey Water DepartmentThurston105,178CommunityGroundwater
Tumwater City ofThurston51,802CommunityGroundwater
Yelm City ofThurston17,355CommunityGroundwater
Tanglewilde Thompson Place 600Thurston7,900CommunityGroundwater
Pattison 500Thurston4,643CommunityGroundwater

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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, “Griffin School, PWSID WA5329887, Washington”, https://aquacensus.com/water-systems/washington/griffin-school-wa5329887 (data as of October 1, 2026).