PlainWater

WINSTON CREEK RV PARK

PWS ID: WA5358780 · Napavine, Washington 98565

WINSTON CREEK RV PARK serves 50 people in Napavine, Washington using Groundwater water sources. It has 66 recorded EPA violations, including 12 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WINSTON CREEK RV PARK

WINSTON CREEK RV PARK is a private-owned community water system that delivers drinking water to 50 residents in Napavine, Washington (Lewis County) through 17 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 66 total violations for this system , of which 12 (18%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 54 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 12 violations (MCL, health-based). 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. WINSTON CREEK RV PARK's 66 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
50
Total Violations
66
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
17
County
Lewis
School/Daycare
No
MCL Violations
12
Monitoring Violations
54
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 12 1997
Revised Total Coliform Rule MON 11 2021
Coliform (TCR) MR 3 1998
Endrin MR 1 2021
Methoxychlor MR 1 2021
Di(2-ethylhexyl) adipate MR 1 2021
Simazine MR 1 2021
Di(2-ethylhexyl) phthalate MR 1 2021
Hexachlorocyclopentadiene MR 1 2021
Atrazine MR 1 2021
LASSO MR 1 2021
Heptachlor MR 1 2021
Heptachlor epoxide MR 1 2021
HEXACHLOROBENZENE MR 1 2021
Benzo(a)pyrene MR 1 2021
Chlordane MR 1 2021
Dalapon MR 1 2021
Picloram MR 1 2021
Dinoseb MR 1 2021
2,4,5-TP MR 1 2021
Pentachlorophenol MR 1 2021
1,2,4-Trichlorobenzene MR 1 2021
cis-1,2-Dichloroethylene MR 1 2021
o-Dichlorobenzene MR 1 2021
Vinyl chloride MR 1 2021
trans-1,2-Dichloroethylene MR 1 2021
1,2-Dichloroethane MR 1 2021
Carbon tetrachloride MR 1 2021
Trichloroethylene MR 1 2021
1,1,2-Trichloroethane MR 1 2021

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 WINSTON CREEK RV PARK.

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 WA5358780 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 WINSTON CREEK RV PARK 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
2021 Revised Total Coliform Rule MON 11 SDWIS / WA5358780 / 8000
2021 Endrin MR 1 SDWIS / WA5358780 / 2005
2021 Methoxychlor MR 1 SDWIS / WA5358780 / 2015
2021 Di(2-ethylhexyl) adipate MR 1 SDWIS / WA5358780 / 2035
2021 Simazine MR 1 SDWIS / WA5358780 / 2037
2021 Di(2-ethylhexyl) phthalate MR 1 SDWIS / WA5358780 / 2039
2021 Hexachlorocyclopentadiene MR 1 SDWIS / WA5358780 / 2042
2021 Atrazine MR 1 SDWIS / WA5358780 / 2050
2021 LASSO MR 1 SDWIS / WA5358780 / 2051
2021 Heptachlor MR 1 SDWIS / WA5358780 / 2065
2021 Heptachlor epoxide MR 1 SDWIS / WA5358780 / 2067
2021 HEXACHLOROBENZENE MR 1 SDWIS / WA5358780 / 2274
2021 Benzo(a)pyrene MR 1 SDWIS / WA5358780 / 2306
2021 Chlordane MR 1 SDWIS / WA5358780 / 2959
2021 Dalapon MR 1 SDWIS / WA5358780 / 2031

How WINSTON CREEK RV PARK Compares

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

Metric WINSTON CREEK RV PARK Washington avg Federal benchmark
Total violations 66 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 12 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 50 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 WINSTON CREEK RV PARK water safe to drink?
WINSTON CREEK RV PARK (PWS ID: WA5358780) has 66 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 50 people using Groundwater sources.
How many people does WINSTON CREEK RV PARK serve?
WINSTON CREEK RV PARK serves 50 people in Napavine, Washington. It is a Private-owned system using Groundwater water sources with 17 service connections.
What type of violations does WINSTON CREEK RV PARK have?
WINSTON CREEK RV PARK has 66 total violations: 12 health-based violations (MCL exceedances or treatment failures), 54 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WINSTON CREEK RV PARK water?
No PFAS testing data is available for WINSTON CREEK RV PARK under the EPA's UCMR5 monitoring program.
What water source does WINSTON CREEK RV PARK use?
WINSTON CREEK RV PARK 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

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