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AquaCensus

Public water system · WA5302989

Active

Prince of Peace Catholic Church

At a glance

Prince of Peace Catholic Church (PWSID WA5302989) is an active transient non-community water system in Mason County, Washington. It reports serving 71 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 11 violations for this system; none is health-based, and the most recent began in October 2025.

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

Population served

71

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWA5302989
System typeTransient non-community water system
Activity statusActive
Population served71
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyMason County

How does Prince of Peace Catholic Church compare with other water systems in Mason County?

By EPA's size categories, Prince of Peace Catholic Church is a very small system (500 people or fewer). Mason County has 240 active public water systems. Its population served is well below the county average of 315 people per system, and accounts for less than 0.1% of the 75,633 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 Prince of Peace Catholic Church is about half of 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 Prince of Peace Catholic Church?

EPA lists Prince of Peace Catholic Church 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. 163 of the 240 active systems in Mason County (68%) are also privately owned.

Does Prince of Peace Catholic Church have drinking water violations?

EPA's records list 11 violations for this system; none is health-based, and the most recent began in October 2025. The violations listed here began between December 1996 and October 2025. By type: 8 monitoring and reporting and 3 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 6 as resolved and 5 as archived. 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. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2011-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2010-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2006-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2006-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2005-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2005-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1996-12-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

All 11 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.

Prince of Peace Catholic Church: frequently asked questions

Who runs Prince of Peace Catholic Church?

Prince of Peace Catholic Church (PWSID WA5302989) is a transient non-community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Prince of Peace Catholic Church serve?

Prince of Peace Catholic Church reports serving 71 people through 1 service connection in Mason County, Washington.

Where does Prince of Peace Catholic Church 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 Prince of Peace Catholic Church have any drinking water violations?

EPA's records list 11 violations for this system; none is health-based, and the most recent began in October 2025. 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 Prince of Peace Catholic Church'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 11 violations for this system; none is health-based, and the most recent began in October 2025. For current results, consult EPA ECHO, or the WA state drinking water program.

Where can I find Prince of Peace Catholic Church's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Prince of Peace Catholic Church 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 Mason County

Water systemCountyPopulation servedTypeSource
Shelton City ofMason15,089CommunityGroundwater
Belfair Water District 1Mason4,432CommunityGroundwater
Lake Cushman System 5Mason3,675CommunityGroundwater
Twanoh State ParkMason3,173Transient non-communityGroundwater
Belfair State ParkMason2,411Transient non-communityGroundwater
Timberlake Community Club Inc.Mason2,337CommunityGroundwater

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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, “Prince of Peace Catholic Church, PWSID WA5302989, Washington”, https://aquacensus.com/water-systems/washington/prince-of-peace-catholic-church-wa5302989 (data as of October 1, 2026).