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Community Water System · PWS MT0000193

Cut Bank City Of

Cut Bank, Montana 59423 - drinking water served from surface water sources to 3,105 people, tracked in EPA SDWIS and UCMR5.

3,105
People served
197
EPA violations
16
Health-based
Untested
UCMR5 result

The verdict

EPA records 197 drinking-water violations at Cut Bank City Of, 8% of them health-based - above the Montana per-system average.

197
Total EPA violations on record
8%
Health-based (MCL / treatment failure)
3,105
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Cut Bank City Of

Cut Bank City Of is a local-owned community water system that delivers drinking water to 3,105 residents in Cut Bank, Montana (Glacier County) through 1,526 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 197 total violations for this system , of which 16 (8%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 163 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is CARBON, TOTAL, recorded in 19 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%).

Cut Bank City Of's 197 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
3,105
Total Violations
197
Health-Based Violations
16
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,526
County
Glacier
School/Daycare
No
MCL Violations
16
Monitoring Violations
163
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
CARBON, TOTAL MR 19 2009
Total Haloacetic Acids (HAA5) MCL 13 2011
Consumer Confidence Rule Other 12 2019
Asbestos MR 7 2011
Beryllium, Total MR 6 2005
Nickel MR 6 2005
Xylenes, Total MR 6 2005
Antimony, Total MR 6 2005
Thallium, Total MR 6 2005
Vinyl chloride MR 5 2005
o-Dichlorobenzene MR 5 2005
Carbon tetrachloride MR 5 2005
CHLOROBENZENE MR 5 2005
1,2,4-Trichlorobenzene MR 5 2005
Toluene MR 5 2005
Tetrachloroethylene MR 5 2005
Styrene MR 5 2005
Ethylbenzene MR 5 2005
1,2-Dichloropropane MR 5 2005
cis-1,2-Dichloroethylene MR 5 2005
Trichloroethylene MR 5 2005
Benzene MR 5 2005
1,2-Dichloroethane MR 5 2005
1,1-Dichloroethylene MR 5 2005
trans-1,2-Dichloroethylene MR 5 2005
1,1,2-Trichloroethane MR 5 2005
p-Dichlorobenzene MR 5 2005
1,1,1-Trichloroethane MR 5 2005
Lead and Copper Rule MR 4 2004
DICHLOROMETHANE MR 4 2005

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 Cut Bank City 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 MT0000193 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
2019 Consumer Confidence Rule Other 12 SDWIS / MT0000193 / 7000
2011 Total Haloacetic Acids (HAA5) MCL 13 SDWIS / MT0000193 / 2456
2011 Asbestos MR 7 SDWIS / MT0000193 / 1094
2009 CARBON, TOTAL MR 19 SDWIS / MT0000193 / 2920
2005 Beryllium, Total MR 6 SDWIS / MT0000193 / 1075
2005 Nickel MR 6 SDWIS / MT0000193 / 1036
2005 Xylenes, Total MR 6 SDWIS / MT0000193 / 2955
2005 Antimony, Total MR 6 SDWIS / MT0000193 / 1074
2005 Thallium, Total MR 6 SDWIS / MT0000193 / 1085
2005 Vinyl chloride MR 5 SDWIS / MT0000193 / 2976
2005 o-Dichlorobenzene MR 5 SDWIS / MT0000193 / 2968
2005 Carbon tetrachloride MR 5 SDWIS / MT0000193 / 2982
2005 CHLOROBENZENE MR 5 SDWIS / MT0000193 / 2989
2005 1,2,4-Trichlorobenzene MR 5 SDWIS / MT0000193 / 2378
2005 Toluene MR 5 SDWIS / MT0000193 / 2991

How Cut Bank City Of Compares

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

Metric Cut Bank City Of Montana avg Federal benchmark
Total violations 197 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 16 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 3,105 492 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 Cut Bank City Of water safe to drink?
Cut Bank City Of (PWS ID: MT0000193) has 197 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,105 people using Surface Water sources.
How many people does Cut Bank City Of serve?
Cut Bank City Of serves 3,105 people in Cut Bank, Montana. It is a Local-owned system using Surface Water water sources with 1,526 service connections.
What type of violations does Cut Bank City Of have?
Cut Bank City Of has 197 total violations: 16 health-based violations (MCL exceedances or treatment failures), 163 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Cut Bank City Of water?
No PFAS testing data is available for Cut Bank City Of under the EPA's UCMR5 monitoring program.
What water source does Cut Bank City Of use?
Cut Bank City 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.