PlainWater

WILBUR TOWN OF

PWS ID: WA5396800 · Marshall, Washington 99020

WILBUR TOWN OF serves 1,040 people in Marshall, Washington using Groundwater water sources. It has 340 recorded EPA violations, including 15 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WILBUR TOWN OF

WILBUR TOWN OF is a local-owned community water system that delivers drinking water to 1,040 residents in Marshall, Washington (Lincoln County) through 413 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 340 total violations for this system , of which 15 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 317 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 15 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. WILBUR TOWN OF's 340 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
1,040
Total Violations
340
Health-Based Violations
15
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
413
County
Lincoln
School/Daycare
No
MCL Violations
15
Monitoring Violations
317
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 15 1999
1,2,4-Trichlorobenzene MR 15 2015
o-Dichlorobenzene MR 15 2015
Vinyl chloride MR 15 2015
1,1-Dichloroethylene MR 15 2015
1,2-Dichloroethane MR 15 2015
1,1,1-Trichloroethane MR 15 2015
Carbon tetrachloride MR 15 2015
1,2-Dichloropropane MR 15 2015
Trichloroethylene MR 15 2015
1,1,2-Trichloroethane MR 15 2015
Toluene MR 15 2015
Ethylbenzene MR 15 2015
DICHLOROMETHANE MR 15 2015
trans-1,2-Dichloroethylene MR 15 2015
cis-1,2-Dichloroethylene MR 15 2015
CHLOROBENZENE MR 15 2015
Benzene MR 15 2015
Styrene MR 15 2015
p-Dichlorobenzene MR 15 2015
Tetrachloroethylene MR 15 2015
Consumer Confidence Rule Other 4 2024
Lead and Copper Rule MR 4 2022
Revised Total Coliform Rule MON 3 2022
Coliform (TCR) MR 3 2006
Nitrate MR 2 2022
TTHM MR 2 2022
Total Haloacetic Acids (HAA5) MR 2 2022
Gross Alpha, Excl. Radon and U MR 1 1979

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 WILBUR TOWN OF.

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 WA5396800 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 WILBUR TOWN OF 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
2024 Consumer Confidence Rule Other 4 SDWIS / WA5396800 / 7000
2022 Lead and Copper Rule MR 4 SDWIS / WA5396800 / 5000
2022 Revised Total Coliform Rule MON 3 SDWIS / WA5396800 / 8000
2022 Nitrate MR 2 SDWIS / WA5396800 / 1040
2022 TTHM MR 2 SDWIS / WA5396800 / 2950
2022 Total Haloacetic Acids (HAA5) MR 2 SDWIS / WA5396800 / 2456
2015 1,2,4-Trichlorobenzene MR 15 SDWIS / WA5396800 / 2378
2015 o-Dichlorobenzene MR 15 SDWIS / WA5396800 / 2968
2015 Vinyl chloride MR 15 SDWIS / WA5396800 / 2976
2015 1,1-Dichloroethylene MR 15 SDWIS / WA5396800 / 2977
2015 1,2-Dichloroethane MR 15 SDWIS / WA5396800 / 2980
2015 1,1,1-Trichloroethane MR 15 SDWIS / WA5396800 / 2981
2015 Carbon tetrachloride MR 15 SDWIS / WA5396800 / 2982
2015 1,2-Dichloropropane MR 15 SDWIS / WA5396800 / 2983
2015 Trichloroethylene MR 15 SDWIS / WA5396800 / 2984

How WILBUR TOWN OF Compares

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

Metric WILBUR TOWN OF Washington avg Federal benchmark
Total violations 340 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 15 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 1,040 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 WILBUR TOWN OF water safe to drink?
WILBUR TOWN OF (PWS ID: WA5396800) has 340 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,040 people using Groundwater sources.
How many people does WILBUR TOWN OF serve?
WILBUR TOWN OF serves 1,040 people in Marshall, Washington. It is a Local-owned system using Groundwater water sources with 413 service connections.
What type of violations does WILBUR TOWN OF have?
WILBUR TOWN OF has 340 total violations: 15 health-based violations (MCL exceedances or treatment failures), 317 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WILBUR TOWN OF water?
No PFAS testing data is available for WILBUR TOWN OF under the EPA's UCMR5 monitoring program.
What water source does WILBUR TOWN OF use?
WILBUR TOWN OF 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 Kiznis Studio Editorial