PlainWater

Community Water System · PWS MT0000218

Fort Peck Town Of

Fort Peck, Montana 59223 - drinking water served from surface water sources to 240 people, tracked in EPA SDWIS and UCMR5.

240
People served
147
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 147 drinking-water violations at Fort Peck Town Of, 3% of them health-based - above the Montana per-system average.

147
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
240
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Fort Peck Town Of

Fort Peck Town Of is a local-owned community water system that delivers drinking water to 240 residents in Fort Peck, Montana (Valley County) through 146 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 147 total violations for this system , of which 4 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 143 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 1,2,4-Trichlorobenzene, recorded in 6 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 Montana, EPA tracks 2,263 public water systems serving 1,112,267 people, with 297,270 cumulative violations and 25,922 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 131.4 violations. Statewide, 28 of 45 UCMR5-tested systems have reported PFAS detections (62.2%).

Fort Peck Town Of's 147 violations sit above the Montana 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
240
Total Violations
147
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
146
County
Valley
School/Daycare
No
MCL Violations
4
Monitoring Violations
143
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
1,2,4-Trichlorobenzene MR 6 2024
cis-1,2-Dichloroethylene MR 6 2024
Xylenes, Total MR 6 2024
DICHLOROMETHANE MR 6 2024
1,1-Dichloroethylene MR 6 2024
1,2-Dichloroethane MR 6 2024
1,1,1-Trichloroethane MR 6 2024
1,1,2-Trichloroethane MR 6 2024
CHLOROBENZENE MR 6 2024
Toluene MR 6 2024
Styrene MR 6 2024
Carbon tetrachloride MR 6 2024
1,2-Dichloropropane MR 6 2024
Benzene MR 6 2024
Vinyl chloride MR 6 2024
Ethylbenzene MR 6 2024
Tetrachloroethylene MR 6 2024
trans-1,2-Dichloroethylene MR 6 2024
o-Dichlorobenzene MR 6 2024
p-Dichlorobenzene MR 6 2024
Trichloroethylene MR 6 2024
Arsenic MR 4 2024
TTHM MCL 4 2012
Total Haloacetic Acids (HAA5) MR 3 2004
Nitrate-Nitrite MR 3 2024
TTHM MR 3 2004
Coliform (TCR) MR 2 1997
Interim Enhanced Surface Water Treatment Rule MR 1 2005
Nitrate MR 1 1993

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 Fort Peck 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 MT0000218 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Montana Drinking Water Authority

Montana'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 MT 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
2024 1,2,4-Trichlorobenzene MR 6 SDWIS / MT0000218 / 2378
2024 cis-1,2-Dichloroethylene MR 6 SDWIS / MT0000218 / 2380
2024 Xylenes, Total MR 6 SDWIS / MT0000218 / 2955
2024 DICHLOROMETHANE MR 6 SDWIS / MT0000218 / 2964
2024 1,1-Dichloroethylene MR 6 SDWIS / MT0000218 / 2977
2024 1,2-Dichloroethane MR 6 SDWIS / MT0000218 / 2980
2024 1,1,1-Trichloroethane MR 6 SDWIS / MT0000218 / 2981
2024 1,1,2-Trichloroethane MR 6 SDWIS / MT0000218 / 2985
2024 CHLOROBENZENE MR 6 SDWIS / MT0000218 / 2989
2024 Toluene MR 6 SDWIS / MT0000218 / 2991
2024 Styrene MR 6 SDWIS / MT0000218 / 2996
2024 Carbon tetrachloride MR 6 SDWIS / MT0000218 / 2982
2024 1,2-Dichloropropane MR 6 SDWIS / MT0000218 / 2983
2024 Benzene MR 6 SDWIS / MT0000218 / 2990
2024 Vinyl chloride MR 6 SDWIS / MT0000218 / 2976

How Fort Peck Town Of Compares

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

Metric Fort Peck Town Of Montana avg Federal benchmark
Total violations 147 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 11.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 62.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 240 492 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,263 regulated public water systems in Montana.

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 Fort Peck Town Of water safe to drink?
Fort Peck Town Of (PWS ID: MT0000218) has 147 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 240 people using Surface Water sources.
How many people does Fort Peck Town Of serve?
Fort Peck Town Of serves 240 people in Fort Peck, Montana. It is a Local-owned system using Surface Water water sources with 146 service connections.
What type of violations does Fort Peck Town Of have?
Fort Peck Town Of has 147 total violations: 4 health-based violations (MCL exceedances or treatment failures), 143 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Fort Peck Town Of water?
No PFAS testing data is available for Fort Peck Town Of under the EPA's UCMR5 monitoring program.
What water source does Fort Peck Town Of use?
Fort Peck Town Of uses Surface Water 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.