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Community Water System · PWS WA5337105

Lewis River Golf Course

Kelso, Washington 98626 - drinking water served from groundwater sources to 300 people, tracked in EPA SDWIS and UCMR5.

300
People served
3,259
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 3,259 drinking-water violations at Lewis River Golf Course - above the Washington per-system average.

3,259
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
300
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Lewis River Golf Course

Lewis River Golf Course is a private-owned community water system that delivers drinking water to 300 residents in Kelso, Washington (Cowlitz County) through 29 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 3,259 total violations for this system , of which 1 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 3,254 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is p-Dichlorobenzene, recorded in 84 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. Statewide, 98 of 247 UCMR5-tested systems have reported PFAS detections (39.7%).

Lewis River Golf Course's 3,259 violations sit above the Washington average.

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
300
Total Violations
3,259
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
29
County
Cowlitz
School/Daycare
No
MCL Violations
1
Monitoring Violations
3,254
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
p-Dichlorobenzene MR 84 2022
Vinyl chloride MR 84 2022
1,2-Dichloroethane MR 84 2022
1,1,1-Trichloroethane MR 84 2022
Carbon tetrachloride MR 84 2022
1,2-Dichloropropane MR 84 2022
Trichloroethylene MR 84 2022
1,1,2-Trichloroethane MR 84 2022
CHLOROBENZENE MR 84 2022
Styrene MR 84 2022
o-Dichlorobenzene MR 84 2022
Tetrachloroethylene MR 84 2022
Toluene MR 84 2022
Ethylbenzene MR 84 2022
1,2,4-Trichlorobenzene MR 84 2022
cis-1,2-Dichloroethylene MR 84 2022
trans-1,2-Dichloroethylene MR 84 2022
1,1-Dichloroethylene MR 84 2022
Pentachlorophenol MR 77 2008
DICHLOROMETHANE MR 74 2022
Dinoseb MR 64 2008
Aldicarb sulfoxide MR 64 2008
Aldicarb sulfone MR 64 2008
Carbofuran MR 64 2008
Aldicarb MR 64 2008
2,4,5-TP MR 64 2008
OXAMYL MR 64 2008
Dalapon MR 64 2008
Picloram MR 64 2008
Endrin MR 60 2008

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 Lewis River Golf Course.

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 WA5337105 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 Lewis River Golf Course 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
2022 p-Dichlorobenzene MR 84 SDWIS / WA5337105 / 2969
2022 Vinyl chloride MR 84 SDWIS / WA5337105 / 2976
2022 1,2-Dichloroethane MR 84 SDWIS / WA5337105 / 2980
2022 1,1,1-Trichloroethane MR 84 SDWIS / WA5337105 / 2981
2022 Carbon tetrachloride MR 84 SDWIS / WA5337105 / 2982
2022 1,2-Dichloropropane MR 84 SDWIS / WA5337105 / 2983
2022 Trichloroethylene MR 84 SDWIS / WA5337105 / 2984
2022 1,1,2-Trichloroethane MR 84 SDWIS / WA5337105 / 2985
2022 CHLOROBENZENE MR 84 SDWIS / WA5337105 / 2989
2022 Styrene MR 84 SDWIS / WA5337105 / 2996
2022 o-Dichlorobenzene MR 84 SDWIS / WA5337105 / 2968
2022 Tetrachloroethylene MR 84 SDWIS / WA5337105 / 2987
2022 Toluene MR 84 SDWIS / WA5337105 / 2991
2022 Ethylbenzene MR 84 SDWIS / WA5337105 / 2992
2022 1,2,4-Trichlorobenzene MR 84 SDWIS / WA5337105 / 2378

How Lewis River Golf Course Compares

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

Metric Lewis River Golf Course Washington avg Federal benchmark
Total violations 3,259 69 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 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 300 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Lewis River Golf Course water safe to drink? ▼
Lewis River Golf Course (PWS ID: WA5337105) has 3259 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 300 people using Groundwater sources.
How many people does Lewis River Golf Course serve? ▼
Lewis River Golf Course serves 300 people in Kelso, Washington. It is a Private-owned system using Groundwater water sources with 29 service connections.
What type of violations does Lewis River Golf Course have? ▼
Lewis River Golf Course has 3,259 total violations: 1 health-based violations (MCL exceedances or treatment failures), 3,254 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Lewis River Golf Course water? ▼
No PFAS testing data is available for Lewis River Golf Course under the EPA's UCMR5 monitoring program.
What water source does Lewis River Golf Course use? ▼
Lewis River Golf Course 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.
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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.