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PIONEER HILL WEST

PWS ID: WA5367715 · Poulsbo, Washington 98370

PIONEER HILL WEST serves 73 people in Poulsbo, Washington using Groundwater water sources. It has 151 recorded EPA violations, including 16 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: PIONEER HILL WEST

PIONEER HILL WEST is a private-owned community water system that delivers drinking water to 73 residents in Poulsbo, Washington (Kitsap County) through 31 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 151 total violations for this system , of which 16 (11%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 130 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 17 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. PIONEER HILL WEST's 151 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
73
Total Violations
151
Health-Based Violations
16
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
31
County
Kitsap
School/Daycare
No
MCL Violations
16
Monitoring Violations
130
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 17 2005
Coliform (TCR) MCL 16 2006
Nitrate MR 12 2007
1,2,4-Trichlorobenzene MR 5 2005
p-Dichlorobenzene MR 5 2005
1,1-Dichloroethylene MR 5 2005
1,1,1-Trichloroethane MR 5 2005
Carbon tetrachloride MR 5 2005
1,2-Dichloropropane MR 5 2005
Trichloroethylene MR 5 2005
1,1,2-Trichloroethane MR 5 2005
Tetrachloroethylene MR 5 2005
CHLOROBENZENE MR 5 2005
Ethylbenzene MR 5 2005
Vinyl chloride MR 5 2005
Benzene MR 5 2005
Toluene MR 5 2005
Styrene MR 5 2005
DICHLOROMETHANE MR 5 2005
cis-1,2-Dichloroethylene MR 5 2005
1,2-Dichloroethane MR 5 2005
trans-1,2-Dichloroethylene MR 5 2005
o-Dichlorobenzene MR 5 2005
Consumer Confidence Rule Other 3 2024
Lead and Copper Rule MR 1 1997

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 PIONEER HILL WEST.

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 WA5367715 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 PIONEER HILL WEST 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
2024 Consumer Confidence Rule Other 3 SDWIS / WA5367715 / 7000
2007 Nitrate MR 12 SDWIS / WA5367715 / 1040
2006 Coliform (TCR) MCL 16 SDWIS / WA5367715 / 3100
2005 Coliform (TCR) MR 17 SDWIS / WA5367715 / 3100
2005 1,2,4-Trichlorobenzene MR 5 SDWIS / WA5367715 / 2378
2005 p-Dichlorobenzene MR 5 SDWIS / WA5367715 / 2969
2005 1,1-Dichloroethylene MR 5 SDWIS / WA5367715 / 2977
2005 1,1,1-Trichloroethane MR 5 SDWIS / WA5367715 / 2981
2005 Carbon tetrachloride MR 5 SDWIS / WA5367715 / 2982
2005 1,2-Dichloropropane MR 5 SDWIS / WA5367715 / 2983
2005 Trichloroethylene MR 5 SDWIS / WA5367715 / 2984
2005 1,1,2-Trichloroethane MR 5 SDWIS / WA5367715 / 2985
2005 Tetrachloroethylene MR 5 SDWIS / WA5367715 / 2987
2005 CHLOROBENZENE MR 5 SDWIS / WA5367715 / 2989
2005 Ethylbenzene MR 5 SDWIS / WA5367715 / 2992

How PIONEER HILL WEST Compares

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

Metric PIONEER HILL WEST Washington avg Federal benchmark
Total violations 151 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 16 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 73 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 PIONEER HILL WEST water safe to drink?
PIONEER HILL WEST (PWS ID: WA5367715) has 151 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 73 people using Groundwater sources.
How many people does PIONEER HILL WEST serve?
PIONEER HILL WEST serves 73 people in Poulsbo, Washington. It is a Private-owned system using Groundwater water sources with 31 service connections.
What type of violations does PIONEER HILL WEST have?
PIONEER HILL WEST has 151 total violations: 16 health-based violations (MCL exceedances or treatment failures), 130 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in PIONEER HILL WEST water?
No PFAS testing data is available for PIONEER HILL WEST under the EPA's UCMR5 monitoring program.
What water source does PIONEER HILL WEST use?
PIONEER HILL WEST 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.

Related

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