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SHERMAN HILL

PWS ID: WA5332980 · BELFAIR, Washington 98528

SHERMAN HILL serves 37 people in BELFAIR, Washington using Groundwater water sources. It has 187 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SHERMAN HILL

SHERMAN HILL is a private-owned community water system that delivers drinking water to 37 residents in BELFAIR, Washington (Kitsap County) through 20 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 187 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 185 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Heptachlor epoxide, recorded in 6 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. SHERMAN HILL's 187 violations sit above 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
37
Total Violations
187
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
20
County
Kitsap
School/Daycare
No
MCL Violations
0
Monitoring Violations
185
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Heptachlor epoxide MR 6 2011
1,2,4-Trichlorobenzene MR 5 2005
cis-1,2-Dichloroethylene MR 5 2005
o-Dichlorobenzene MR 5 2005
p-Dichlorobenzene MR 5 2005
1,1-Dichloroethylene MR 5 2005
1,2-Dichloroethane MR 5 2005
Carbon tetrachloride MR 5 2005
1,2-Dichloropropane MR 5 2005
1,1,2-Trichloroethane MR 5 2005
Tetrachloroethylene MR 5 2005
CHLOROBENZENE MR 5 2005
Benzene MR 5 2005
Ethylbenzene MR 5 2005
BHC-GAMMA MR 5 2011
Methoxychlor MR 5 2011
Toxaphene MR 5 2011
Di(2-ethylhexyl) phthalate MR 5 2011
Atrazine MR 5 2011
LASSO MR 5 2011
Benzo(a)pyrene MR 5 2011
Chlordane MR 5 2011
Endrin MR 5 2011
HEXACHLOROBENZENE MR 5 2011
trans-1,2-Dichloroethylene MR 5 2005
Vinyl chloride MR 5 2005
1,1,1-Trichloroethane MR 5 2005
Trichloroethylene MR 5 2005
Di(2-ethylhexyl) adipate MR 5 2011
Styrene MR 5 2005

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 SHERMAN HILL.

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 WA5332980 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 SHERMAN HILL 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
2019 Lead and Copper Rule MR 3 SDWIS / WA5332980 / 5000
2019 Revised Total Coliform Rule MON 2 SDWIS / WA5332980 / 8000
2016 Consumer Confidence Rule Other 2 SDWIS / WA5332980 / 7000
2011 Heptachlor epoxide MR 6 SDWIS / WA5332980 / 2067
2011 BHC-GAMMA MR 5 SDWIS / WA5332980 / 2010
2011 Methoxychlor MR 5 SDWIS / WA5332980 / 2015
2011 Toxaphene MR 5 SDWIS / WA5332980 / 2020
2011 Di(2-ethylhexyl) phthalate MR 5 SDWIS / WA5332980 / 2039
2011 Atrazine MR 5 SDWIS / WA5332980 / 2050
2011 LASSO MR 5 SDWIS / WA5332980 / 2051
2011 Benzo(a)pyrene MR 5 SDWIS / WA5332980 / 2306
2011 Chlordane MR 5 SDWIS / WA5332980 / 2959
2011 Endrin MR 5 SDWIS / WA5332980 / 2005
2011 HEXACHLOROBENZENE MR 5 SDWIS / WA5332980 / 2274
2011 Di(2-ethylhexyl) adipate MR 5 SDWIS / WA5332980 / 2035

How SHERMAN HILL Compares

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

Metric SHERMAN HILL Washington avg Federal benchmark
Total violations 187 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 37 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 SHERMAN HILL water safe to drink? ▼
SHERMAN HILL (PWS ID: WA5332980) has 187 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 37 people using Groundwater sources.
How many people does SHERMAN HILL serve? ▼
SHERMAN HILL serves 37 people in BELFAIR, Washington. It is a Private-owned system using Groundwater water sources with 20 service connections.
What type of violations does SHERMAN HILL have? ▼
SHERMAN HILL has 187 total violations: 0 health-based violations (MCL exceedances or treatment failures), 185 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SHERMAN HILL water? ▼
No PFAS testing data is available for SHERMAN HILL under the EPA's UCMR5 monitoring program.
What water source does SHERMAN HILL use? ▼
SHERMAN HILL uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
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.

Read our methodology — how this data is sourced, computed, and verified.

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