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Mission Creek Corrections Center

PWS ID: WA5355325 · Belfair, Washington 98528

Mission Creek Corrections Center serves 40 people in Belfair, Washington using Groundwater water sources. It has 28 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: Mission Creek Corrections Center

Mission Creek Corrections Center is a state-owned non-transient non-community water system that delivers drinking water to 40 residents in Belfair, Washington (Mason County) through 7 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 28 total violations for this system , of which 4 (14%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 24 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Nitrate, recorded in 13 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Washington, EPA tracks 4,557 public water systems serving 9,736,844 people, with 314,648 cumulative violations and 20,590 health-based violations on record. About 92% of systems in the state carry at least one violation, and state-wide the average per system is 69 violations. Mission Creek Corrections Center's 28 violations sit below the Washington average. Statewide, 98 of 247 UCMR5-tested systems have reported PFAS detections (39.7%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
40
Total Violations
28
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
State
Connections
7
County
Mason
School/Daycare
No
MCL Violations
4
Monitoring Violations
24
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 13 2009
Coliform (TCR) MCL 3 1998
Revised Total Coliform Rule MCL 1 2021
Cadmium MR 1 1979
Barium MR 1 1979
Fluoride MR 1 1979
Selenium MR 1 1979
Arsenic MR 1 1979
Chromium MR 1 1979
Revised Total Coliform Rule MON 1 2023
Mercury MR 1 1979
Coliform (TCR) MR 1 2010
Gross Alpha, Excl. Radon and U MR 1 1979
Lead and Copper Rule MR 1 1998

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Mission Creek Corrections Center.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID WA5355325 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Washington Drinking Water Authority

Washington State Department of Health — Office of Drinking Water is the primacy agency that licenses and inspects Mission Creek Corrections Center under EPA-delegated authority.

Open WA regulator portal

Source: Washington State Department of Health — Office of Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2023 Revised Total Coliform Rule MON 1 SDWIS / WA5355325 / 8000
2021 Revised Total Coliform Rule MCL 1 SDWIS / WA5355325 / 8000
2010 Coliform (TCR) MR 1 SDWIS / WA5355325 / 3100
2009 Nitrate MR 13 SDWIS / WA5355325 / 1040
1998 Coliform (TCR) MCL 3 SDWIS / WA5355325 / 3100
1998 Lead and Copper Rule MR 1 SDWIS / WA5355325 / 5000
1979 Cadmium MR 1 SDWIS / WA5355325 / 1015
1979 Barium MR 1 SDWIS / WA5355325 / 1010
1979 Fluoride MR 1 SDWIS / WA5355325 / 1025
1979 Selenium MR 1 SDWIS / WA5355325 / 1045
1979 Arsenic MR 1 SDWIS / WA5355325 / 1005
1979 Chromium MR 1 SDWIS / WA5355325 / 1020
1979 Mercury MR 1 SDWIS / WA5355325 / 1035
1979 Gross Alpha, Excl. Radon and U MR 1 SDWIS / WA5355325 / 4000

How Mission Creek Corrections Center Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Mission Creek Corrections Center Washington avg Federal benchmark
Total violations 28 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 4.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 39.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 40 2,137 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 4,557 regulated public water systems in Washington.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Mission Creek Corrections Center water safe to drink?
Mission Creek Corrections Center (PWS ID: WA5355325) has 28 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 40 people using Groundwater sources.
How many people does Mission Creek Corrections Center serve?
Mission Creek Corrections Center serves 40 people in Belfair, Washington. It is a State-owned system using Groundwater water sources with 7 service connections.
What type of violations does Mission Creek Corrections Center have?
Mission Creek Corrections Center has 28 total violations: 4 health-based violations (MCL exceedances or treatment failures), 24 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mission Creek Corrections Center water?
No PFAS testing data is available for Mission Creek Corrections Center under the EPA's UCMR5 monitoring program.
What water source does Mission Creek Corrections Center use?
Mission Creek Corrections Center uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial