PlainWater
States → Washington

HARSTENE RETREAT

PWS ID: WA5331572 · Shelton, Washington 98584

HARSTENE RETREAT serves 88 people in Shelton, Washington using Groundwater water sources. It has 364 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HARSTENE RETREAT

HARSTENE RETREAT is a local-owned community water system that delivers drinking water to 88 residents in Shelton, Washington (Mason County) through 35 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 364 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 363 monitoring and reporting violations are on file. The most recent violation on record dates to 2005.

The most frequently cited contaminant at this system is DICHLOROMETHANE, recorded in 18 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. HARSTENE RETREAT's 364 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
88
Total Violations
364
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
35
County
Mason
School/Daycare
No
MCL Violations
0
Monitoring Violations
363
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
DICHLOROMETHANE MR 18 2005
1,2-Dichloroethane MR 18 2005
1,1,1-Trichloroethane MR 18 2005
Carbon tetrachloride MR 18 2005
1,2-Dichloropropane MR 18 2005
Trichloroethylene MR 18 2005
1,1,2-Trichloroethane MR 18 2005
Tetrachloroethylene MR 18 2005
CHLOROBENZENE MR 18 2005
Toluene MR 18 2005
o-Dichlorobenzene MR 18 2005
p-Dichlorobenzene MR 18 2005
Vinyl chloride MR 18 2005
trans-1,2-Dichloroethylene MR 18 2005
Ethylbenzene MR 18 2005
1,2,4-Trichlorobenzene MR 18 2005
cis-1,2-Dichloroethylene MR 18 2005
Benzene MR 18 2005
1,1-Dichloroethylene MR 18 2005
Styrene MR 18 2005
Coliform (TCR) MR 3 1993

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 HARSTENE RETREAT.

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 WA5331572 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 HARSTENE RETREAT 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
2005 DICHLOROMETHANE MR 18 SDWIS / WA5331572 / 2964
2005 1,2-Dichloroethane MR 18 SDWIS / WA5331572 / 2980
2005 1,1,1-Trichloroethane MR 18 SDWIS / WA5331572 / 2981
2005 Carbon tetrachloride MR 18 SDWIS / WA5331572 / 2982
2005 1,2-Dichloropropane MR 18 SDWIS / WA5331572 / 2983
2005 Trichloroethylene MR 18 SDWIS / WA5331572 / 2984
2005 1,1,2-Trichloroethane MR 18 SDWIS / WA5331572 / 2985
2005 Tetrachloroethylene MR 18 SDWIS / WA5331572 / 2987
2005 CHLOROBENZENE MR 18 SDWIS / WA5331572 / 2989
2005 Toluene MR 18 SDWIS / WA5331572 / 2991
2005 o-Dichlorobenzene MR 18 SDWIS / WA5331572 / 2968
2005 p-Dichlorobenzene MR 18 SDWIS / WA5331572 / 2969
2005 Vinyl chloride MR 18 SDWIS / WA5331572 / 2976
2005 trans-1,2-Dichloroethylene MR 18 SDWIS / WA5331572 / 2979
2005 Ethylbenzene MR 18 SDWIS / WA5331572 / 2992

How HARSTENE RETREAT Compares

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

Metric HARSTENE RETREAT Washington avg Federal benchmark
Total violations 364 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 88 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 HARSTENE RETREAT water safe to drink? ▼
HARSTENE RETREAT (PWS ID: WA5331572) has 364 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 88 people using Groundwater sources.
How many people does HARSTENE RETREAT serve? ▼
HARSTENE RETREAT serves 88 people in Shelton, Washington. It is a Local-owned system using Groundwater water sources with 35 service connections.
What type of violations does HARSTENE RETREAT have? ▼
HARSTENE RETREAT has 364 total violations: 0 health-based violations (MCL exceedances or treatment failures), 363 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HARSTENE RETREAT water? ▼
No PFAS testing data is available for HARSTENE RETREAT under the EPA's UCMR5 monitoring program.
What water source does HARSTENE RETREAT use? ▼
HARSTENE RETREAT 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.

Explore PlainWater

Water in Washington

All systems in state
All States

Water quality by state
Contaminants

PFAS & other pollutants
Guides

Understanding water quality

Related Data for Washington

Environmental Data → Natural Hazards → Air Quality → Healthcare Access → Climate Data →
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.

Related

Browse all → | Rankings →
Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial