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Community Water System · PWS MT0000229

Glendive City Of

Glendive, Montana 59330 - drinking water served from surface water sources to 4,873 people, tracked in EPA SDWIS and UCMR5.

4,873
People served
278
EPA violations
4
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 278 drinking-water violations at Glendive City Of, 1% of them health-based - above the Montana per-system average.

278
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
4,873
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Glendive City Of

Glendive City Of is a local-owned community water system that delivers drinking water to 4,873 residents in Glendive, Montana (Dawson County) through 2,111 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 278 total violations for this system , of which 4 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 237 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is CARBON, TOTAL, recorded in 72 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Glendive City Of's 278 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
4,873
Total Violations
278
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,111
County
Dawson
School/Daycare
No
MCL Violations
4
Monitoring Violations
237
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
CARBON, TOTAL MR 72 2004
1,2,4-Trichlorobenzene MR 6 2015
DICHLOROMETHANE MR 6 2015
o-Dichlorobenzene MR 6 2015
p-Dichlorobenzene MR 6 2015
trans-1,2-Dichloroethylene MR 6 2015
1,1,1-Trichloroethane MR 6 2015
Carbon tetrachloride MR 6 2015
Trichloroethylene MR 6 2015
CHLOROBENZENE MR 6 2015
Toluene MR 6 2015
cis-1,2-Dichloroethylene MR 6 2015
Vinyl chloride MR 6 2015
1,2-Dichloroethane MR 6 2015
1,2-Dichloropropane MR 6 2015
1,1,2-Trichloroethane MR 6 2015
Ethylbenzene MR 6 2015
Styrene MR 6 2015
1,1-Dichloroethylene MR 6 2015
Benzene MR 6 2015
Xylenes, Total MR 6 2015
Tetrachloroethylene MR 6 2015
Total Haloacetic Acids (HAA5) MCL 4 2007
Chromium MR 3 2014
Antimony, Total MR 3 2014
Beryllium, Total MR 3 2014
Selenium MR 3 2014
Revised Total Coliform Rule MON 3 2017
Arsenic MR 3 2014
Mercury MR 3 2014

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 87 samples detected PFAS.

Contaminant Date Result MRL Status
PFMBA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/15/2025 <20.00 ppt 20.00 ppt Not Detected
PFBS 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
PFNA 7/15/2025 <4.00 ppt 4.00 ppt Not Detected
PFHpS 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFOS 7/15/2025 <4.00 ppt 4.00 ppt Not Detected
PFOA 7/15/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
PFDA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/15/2025 <4.00 ppt 4.00 ppt Not Detected
PFTrDA 7/15/2025 <7.00 ppt 7.00 ppt Not Detected
6:2 FTS 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
PFTA 7/15/2025 <8.00 ppt 8.00 ppt Not Detected
PFBA 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 7/15/2025 <6.00 ppt 6.00 ppt Not Detected
9Cl-PF3ONS 7/15/2025 <2.00 ppt 2.00 ppt Not Detected
4:2 FTS 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/15/2025 <4.00 ppt 4.00 ppt Not Detected
ADONA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 7/15/2025 <2.00 ppt 2.00 ppt Not Detected
PFHxA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
PFOA 6/10/2025 <4.00 ppt 4.00 ppt Not Detected
6:2 FTS 6/10/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 6/10/2025 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 6/10/2025 <5.00 ppt 5.00 ppt Not Detected
PFDA 6/10/2025 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 6/10/2025 <6.00 ppt 6.00 ppt Not Detected
ADONA 6/10/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 6/10/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 6/10/2025 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 6/10/2025 <7.00 ppt 7.00 ppt Not Detected
PFTA 6/10/2025 <8.00 ppt 8.00 ppt Not Detected
9Cl-PF3ONS 6/10/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 6/10/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 6/10/2025 <2.00 ppt 2.00 ppt Not Detected
PFNA 6/10/2025 <4.00 ppt 4.00 ppt Not Detected
PFDoA 6/10/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpS 6/10/2025 <3.00 ppt 3.00 ppt Not Detected
PFMPA 6/10/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeA 6/10/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 6/10/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 6/10/2025 <3.00 ppt 3.00 ppt Not Detected

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 Glendive 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 MT0000229 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
2022 Consumer Confidence Rule Other 2 SDWIS / MT0000229 / 7000
2017 Revised Total Coliform Rule MON 3 SDWIS / MT0000229 / 8000
2015 1,2,4-Trichlorobenzene MR 6 SDWIS / MT0000229 / 2378
2015 DICHLOROMETHANE MR 6 SDWIS / MT0000229 / 2964
2015 o-Dichlorobenzene MR 6 SDWIS / MT0000229 / 2968
2015 p-Dichlorobenzene MR 6 SDWIS / MT0000229 / 2969
2015 trans-1,2-Dichloroethylene MR 6 SDWIS / MT0000229 / 2979
2015 1,1,1-Trichloroethane MR 6 SDWIS / MT0000229 / 2981
2015 Carbon tetrachloride MR 6 SDWIS / MT0000229 / 2982
2015 Trichloroethylene MR 6 SDWIS / MT0000229 / 2984
2015 CHLOROBENZENE MR 6 SDWIS / MT0000229 / 2989
2015 Toluene MR 6 SDWIS / MT0000229 / 2991
2015 cis-1,2-Dichloroethylene MR 6 SDWIS / MT0000229 / 2380
2015 Vinyl chloride MR 6 SDWIS / MT0000229 / 2976
2015 1,2-Dichloroethane MR 6 SDWIS / MT0000229 / 2980

How Glendive City Of Compares

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

Metric Glendive City Of Montana avg Federal benchmark
Total violations 278 131.4 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 4,873 492 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 Glendive City Of water safe to drink?
Glendive City Of (PWS ID: MT0000229) has 278 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,873 people using Surface Water sources.
How many people does Glendive City Of serve?
Glendive City Of serves 4,873 people in Glendive, Montana. It is a Local-owned system using Surface Water water sources with 2,111 service connections.
What type of violations does Glendive City Of have?
Glendive City Of has 278 total violations: 4 health-based violations (MCL exceedances or treatment failures), 237 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Glendive City Of water?
No. Glendive City Of was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Glendive City Of use?
Glendive 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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.