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ROOSEVELT LAKE RANCH

PWS ID: WA5347283 · Wilbur, Washington 99185

ROOSEVELT LAKE RANCH serves 480 people in Wilbur, Washington using Groundwater water sources. It has 58 recorded EPA violations, including 12 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ROOSEVELT LAKE RANCH

ROOSEVELT LAKE RANCH is a private-owned community water system that delivers drinking water to 480 residents in Wilbur, Washington (Lincoln County) through 256 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 58 total violations for this system , of which 12 (21%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 42 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

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. ROOSEVELT LAKE RANCH's 58 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
480
Total Violations
58
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
256
County
Lincoln
School/Daycare
No
MCL Violations
12
Monitoring Violations
42
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 12 1996
Barium MR 2 2002
Selenium MR 2 2002
Consumer Confidence Rule Other 2 2023
Fluoride MR 2 2002
Mercury MR 2 2002
Chromium MR 2 2002
Coliform (TCR) MR 2 1994
Cadmium MR 2 2002
DICHLOROMETHANE MR 1 2004
o-Dichlorobenzene MR 1 2004
Vinyl chloride MR 1 2004
trans-1,2-Dichloroethylene MR 1 2004
1,2-Dichloroethane MR 1 2004
1,1,1-Trichloroethane MR 1 2004
Carbon tetrachloride MR 1 2004
1,2-Dichloropropane MR 1 2004
1,1,2-Trichloroethane MR 1 2004
Tetrachloroethylene MR 1 2004
CHLOROBENZENE MR 1 2004
Benzene MR 1 2004
Ethylbenzene MR 1 2004
Styrene MR 1 2004
CYANIDE MR 1 2002
Nickel MR 1 2002
Antimony, Total MR 1 2002
Nitrate MR 1 1979
Trichloroethylene MR 1 2004
Gross Alpha, Excl. Radon and U MR 1 1979
1,2,4-Trichlorobenzene MR 1 2004

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 ROOSEVELT LAKE RANCH.

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 WA5347283 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 ROOSEVELT LAKE RANCH 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
2023 Consumer Confidence Rule Other 2 SDWIS / WA5347283 / 7000
2004 DICHLOROMETHANE MR 1 SDWIS / WA5347283 / 2964
2004 o-Dichlorobenzene MR 1 SDWIS / WA5347283 / 2968
2004 Vinyl chloride MR 1 SDWIS / WA5347283 / 2976
2004 trans-1,2-Dichloroethylene MR 1 SDWIS / WA5347283 / 2979
2004 1,2-Dichloroethane MR 1 SDWIS / WA5347283 / 2980
2004 1,1,1-Trichloroethane MR 1 SDWIS / WA5347283 / 2981
2004 Carbon tetrachloride MR 1 SDWIS / WA5347283 / 2982
2004 1,2-Dichloropropane MR 1 SDWIS / WA5347283 / 2983
2004 1,1,2-Trichloroethane MR 1 SDWIS / WA5347283 / 2985
2004 Tetrachloroethylene MR 1 SDWIS / WA5347283 / 2987
2004 CHLOROBENZENE MR 1 SDWIS / WA5347283 / 2989
2004 Benzene MR 1 SDWIS / WA5347283 / 2990
2004 Ethylbenzene MR 1 SDWIS / WA5347283 / 2992
2004 Styrene MR 1 SDWIS / WA5347283 / 2996

How ROOSEVELT LAKE RANCH Compares

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

Metric ROOSEVELT LAKE RANCH Washington avg Federal benchmark
Total violations 58 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 480 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 ROOSEVELT LAKE RANCH water safe to drink? ▼
ROOSEVELT LAKE RANCH (PWS ID: WA5347283) has 58 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 480 people using Groundwater sources.
How many people does ROOSEVELT LAKE RANCH serve? ▼
ROOSEVELT LAKE RANCH serves 480 people in Wilbur, Washington. It is a Private-owned system using Groundwater water sources with 256 service connections.
What type of violations does ROOSEVELT LAKE RANCH have? ▼
ROOSEVELT LAKE RANCH has 58 total violations: 12 health-based violations (MCL exceedances or treatment failures), 42 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ROOSEVELT LAKE RANCH water? ▼
No PFAS testing data is available for ROOSEVELT LAKE RANCH under the EPA's UCMR5 monitoring program.
What water source does ROOSEVELT LAKE RANCH use? ▼
ROOSEVELT LAKE RANCH 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.

Read our methodology — how this data is sourced, computed, and verified.

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