PlainWater

RIVER OAKS RV PARK & CAMPGROUND

PWS ID: WA5313644 · Napavine, Washington 98565

RIVER OAKS RV PARK & CAMPGROUND serves 50 people in Napavine, Washington using Groundwater water sources. It has 351 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: RIVER OAKS RV PARK & CAMPGROUND

RIVER OAKS RV PARK & CAMPGROUND is a private-owned community water system that delivers drinking water to 50 residents in Napavine, Washington (Lewis County) through 49 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 351 total violations for this system , of which 4 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 342 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Methoxychlor, recorded in 19 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. RIVER OAKS RV PARK & CAMPGROUND's 351 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
50
Total Violations
351
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
49
County
Lewis
School/Daycare
No
MCL Violations
4
Monitoring Violations
342
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Methoxychlor MR 19 2007
Di(2-ethylhexyl) adipate MR 19 2007
Simazine MR 19 2007
Hexachlorocyclopentadiene MR 19 2007
Atrazine MR 19 2007
Heptachlor MR 19 2007
Heptachlor epoxide MR 19 2007
BHC-GAMMA MR 19 2007
Toxaphene MR 19 2007
Di(2-ethylhexyl) phthalate MR 19 2007
HEXACHLOROBENZENE MR 19 2007
Chlordane MR 19 2007
Endrin MR 19 2007
LASSO MR 19 2007
Benzo(a)pyrene MR 19 2007
Arsenic MR 13 2017
Lead and Copper Rule MR 13 2023
Pentachlorophenol MR 9 2007
Coliform (TCR) MR 6 2015
Coliform (TCR) MCL 4 2003
Consumer Confidence Rule Other 3 2017
Nitrate MR 2 2015
Revised Total Coliform Rule MON 2 2025
Chromium MR 1 2017
CYANIDE MR 1 2017
Mercury MR 1 2017
Nickel MR 1 2017
Nitrite MR 1 2017
Beryllium, Total MR 1 2017
Thallium, Total MR 1 2017

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 RIVER OAKS RV PARK & CAMPGROUND.

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 WA5313644 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 RIVER OAKS RV PARK & CAMPGROUND 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
2025 Revised Total Coliform Rule MON 2 SDWIS / WA5313644 / 8000
2023 Lead and Copper Rule MR 13 SDWIS / WA5313644 / 5000
2017 Arsenic MR 13 SDWIS / WA5313644 / 1005
2017 Consumer Confidence Rule Other 3 SDWIS / WA5313644 / 7000
2017 Chromium MR 1 SDWIS / WA5313644 / 1020
2017 CYANIDE MR 1 SDWIS / WA5313644 / 1024
2017 Mercury MR 1 SDWIS / WA5313644 / 1035
2017 Nickel MR 1 SDWIS / WA5313644 / 1036
2017 Nitrite MR 1 SDWIS / WA5313644 / 1041
2017 Beryllium, Total MR 1 SDWIS / WA5313644 / 1075
2017 Thallium, Total MR 1 SDWIS / WA5313644 / 1085
2017 Cadmium MR 1 SDWIS / WA5313644 / 1015
2017 Fluoride MR 1 SDWIS / WA5313644 / 1025
2017 Antimony, Total MR 1 SDWIS / WA5313644 / 1074
2017 Barium MR 1 SDWIS / WA5313644 / 1010

How RIVER OAKS RV PARK & CAMPGROUND Compares

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

Metric RIVER OAKS RV PARK & CAMPGROUND Washington avg Federal benchmark
Total violations 351 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 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 RIVER OAKS RV PARK & CAMPGROUND water safe to drink?
RIVER OAKS RV PARK & CAMPGROUND (PWS ID: WA5313644) has 351 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 RIVER OAKS RV PARK & CAMPGROUND serve?
RIVER OAKS RV PARK & CAMPGROUND serves 50 people in Napavine, Washington. It is a Private-owned system using Groundwater water sources with 49 service connections.
What type of violations does RIVER OAKS RV PARK & CAMPGROUND have?
RIVER OAKS RV PARK & CAMPGROUND has 351 total violations: 4 health-based violations (MCL exceedances or treatment failures), 342 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in RIVER OAKS RV PARK & CAMPGROUND water?
No PFAS testing data is available for RIVER OAKS RV PARK & CAMPGROUND under the EPA's UCMR5 monitoring program.
What water source does RIVER OAKS RV PARK & CAMPGROUND use?
RIVER OAKS RV PARK & CAMPGROUND 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