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Community Water System · PWS MT0000166

Broadus Town Of

Broadus, Montana 59317 - drinking water served from groundwater sources to 450 people, tracked in EPA SDWIS and UCMR5.

450
People served
160
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 160 drinking-water violations at Broadus Town Of - above the Montana per-system average.

160
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
450
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Broadus Town Of

Broadus Town Of is a local-owned community water system that delivers drinking water to 450 residents in Broadus, Montana (Powder River County) through 350 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 160 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 142 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 69 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%).

Broadus Town Of's 160 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
450
Total Violations
160
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
350
County
Powder River
School/Daycare
No
MCL Violations
0
Monitoring Violations
142
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 69 2011
Nitrate-Nitrite MR 30 2023
Consumer Confidence Rule Other 13 2024
Lead and Copper Rule MR 6 2020
Revised Total Coliform Rule MON 4 2021
TTHM MR 3 2004
Total Haloacetic Acids (HAA5) MR 3 2004
Nitrate MR 2 1998
Di(2-ethylhexyl) adipate MR 1 1996
Benzo(a)pyrene MR 1 1996
Simazine MR 1 1996
OXAMYL MR 1 1996
Dinoseb MR 1 1996
Pentachlorophenol MR 1 1996
Total Polychlorinated Biphenyls (PCB) MR 1 1996
Heptachlor epoxide MR 1 1996
Heptachlor MR 1 1996
Carbofuran MR 1 1996
Aldicarb sulfoxide MR 1 1996
Aldicarb MR 1 1996
LASSO MR 1 1996
2,4,5-TP MR 1 1996
BHC-GAMMA MR 1 1996
Endrin MR 1 1996
Arsenic MR 1 1996
2,4-D MR 1 1996
Picloram MR 1 1996
Aldicarb sulfone MR 1 1996
Dalapon MR 1 1996
Atrazine MR 1 1996

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 Broadus 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 MT0000166 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 Consumer Confidence Rule Other 13 SDWIS / MT0000166 / 7000
2023 Nitrate-Nitrite MR 30 SDWIS / MT0000166 / 1038
2021 Revised Total Coliform Rule MON 4 SDWIS / MT0000166 / 8000
2020 Lead and Copper Rule MR 6 SDWIS / MT0000166 / 5000
2011 Coliform (TCR) MR 69 SDWIS / MT0000166 / 3100
2004 TTHM MR 3 SDWIS / MT0000166 / 2950
2004 Total Haloacetic Acids (HAA5) MR 3 SDWIS / MT0000166 / 2456
1998 Nitrate MR 2 SDWIS / MT0000166 / 1040
1996 Di(2-ethylhexyl) adipate MR 1 SDWIS / MT0000166 / 2035
1996 Benzo(a)pyrene MR 1 SDWIS / MT0000166 / 2306
1996 Simazine MR 1 SDWIS / MT0000166 / 2037
1996 OXAMYL MR 1 SDWIS / MT0000166 / 2036
1996 Dinoseb MR 1 SDWIS / MT0000166 / 2041
1996 Pentachlorophenol MR 1 SDWIS / MT0000166 / 2326
1996 Total Polychlorinated Biphenyls (PCB) MR 1 SDWIS / MT0000166 / 2383

How Broadus Town Of Compares

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

Metric Broadus Town Of Montana avg Federal benchmark
Total violations 160 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 450 492 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 Broadus Town Of water safe to drink?
Broadus Town Of (PWS ID: MT0000166) has 160 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 450 people using Groundwater sources.
How many people does Broadus Town Of serve?
Broadus Town Of serves 450 people in Broadus, Montana. It is a Local-owned system using Groundwater water sources with 350 service connections.
What type of violations does Broadus Town Of have?
Broadus Town Of has 160 total violations: 0 health-based violations (MCL exceedances or treatment failures), 142 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Broadus Town Of water?
No PFAS testing data is available for Broadus Town Of under the EPA's UCMR5 monitoring program.
What water source does Broadus Town Of use?
Broadus 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.