PlainWater

Community Water System · PWS WY5600032

Lusk, Town Of

Lusk, Wyoming 82225 - drinking water served from groundwater sources to 1,576 people, tracked in EPA SDWIS and UCMR5.

1,576
People served
156
EPA violations
15
Health-based
Untested
UCMR5 result

The verdict

EPA records 156 drinking-water violations at Lusk, Town Of, 10% of them health-based - above the Wyoming per-system average.

156
Total EPA violations on record
10%
Health-based (MCL / treatment failure)
1,576
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Lusk, Town Of

Lusk, Town Of is a local-owned community water system that delivers drinking water to 1,576 residents in Lusk, Wyoming (Niobrara County) through 820 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 156 total violations for this system , of which 15 (10%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 135 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 11 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 Wyoming, EPA tracks 766 public water systems serving 639,288 people, with 32,465 cumulative violations and 4,023 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 42.4 violations. Statewide, 18 of 33 UCMR5-tested systems have reported PFAS detections (54.5%).

Lusk, Town Of's 156 violations sit above the Wyoming 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
1,576
Total Violations
156
Health-Based Violations
15
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
820
County
Niobrara
School/Daycare
No
MCL Violations
15
Monitoring Violations
135
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 11 2000
Coliform (TCR) MCL 8 1994
Gross Alpha, Excl. Radon and U MCL 7 2014
Gross Alpha, Excl. Radon and U MR 4 2021
Nitrate MR 4 1994
Benzene MR 3 2021
1,2-Dichloroethane MR 3 2021
1,1,1-Trichloroethane MR 3 2021
Trichloroethylene MR 3 2021
Vinyl chloride MR 3 2021
cis-1,2-Dichloroethylene MR 3 2021
1,2-Dichloropropane MR 3 2021
Ethylbenzene MR 3 2021
CHLOROBENZENE MR 3 2021
o-Dichlorobenzene MR 3 2021
DICHLOROMETHANE MR 3 2021
1,2,4-Trichlorobenzene MR 3 2021
1,1,2-Trichloroethane MR 3 2021
Lead and Copper Rule MR 3 2000
Carbon tetrachloride MR 3 2021
Tetrachloroethylene MR 3 2021
Styrene MR 3 2021
Combined Radium (-226 and -228) MR 3 2021
1,1-Dichloroethylene MR 3 2021
Toluene MR 3 2021
Xylenes, Total MR 3 2021
trans-1,2-Dichloroethylene MR 3 2021
p-Dichlorobenzene MR 3 2021
Arsenic MR 2 1982
Mercury MR 2 1982

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 Lusk, 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 WY5600032 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Wyoming Drinking Water Authority

Wyoming's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find WY regulator via EPA SDWIS

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 Gross Alpha, Excl. Radon and U MR 4 SDWIS / WY5600032 / 4000
2021 Benzene MR 3 SDWIS / WY5600032 / 2990
2021 1,2-Dichloroethane MR 3 SDWIS / WY5600032 / 2980
2021 1,1,1-Trichloroethane MR 3 SDWIS / WY5600032 / 2981
2021 Trichloroethylene MR 3 SDWIS / WY5600032 / 2984
2021 Vinyl chloride MR 3 SDWIS / WY5600032 / 2976
2021 cis-1,2-Dichloroethylene MR 3 SDWIS / WY5600032 / 2380
2021 1,2-Dichloropropane MR 3 SDWIS / WY5600032 / 2983
2021 Ethylbenzene MR 3 SDWIS / WY5600032 / 2992
2021 CHLOROBENZENE MR 3 SDWIS / WY5600032 / 2989
2021 o-Dichlorobenzene MR 3 SDWIS / WY5600032 / 2968
2021 DICHLOROMETHANE MR 3 SDWIS / WY5600032 / 2964
2021 1,2,4-Trichlorobenzene MR 3 SDWIS / WY5600032 / 2378
2021 1,1,2-Trichloroethane MR 3 SDWIS / WY5600032 / 2985
2021 Carbon tetrachloride MR 3 SDWIS / WY5600032 / 2982

How Lusk, Town Of Compares

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

Metric Lusk, Town Of Wyoming avg Federal benchmark
Total violations 156 42.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 15 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 54.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,576 835 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 766 regulated public water systems in Wyoming.

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 Lusk, Town Of water safe to drink?
Lusk, Town Of (PWS ID: WY5600032) has 156 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,576 people using Groundwater sources.
How many people does Lusk, Town Of serve?
Lusk, Town Of serves 1,576 people in Lusk, Wyoming. It is a Local-owned system using Groundwater water sources with 820 service connections.
What type of violations does Lusk, Town Of have?
Lusk, Town Of has 156 total violations: 15 health-based violations (MCL exceedances or treatment failures), 135 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Lusk, Town Of water?
No PFAS testing data is available for Lusk, Town Of under the EPA's UCMR5 monitoring program.
What water source does Lusk, Town Of use?
Lusk, 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
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.