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Community Water System · PWS MT0000332

Somers Co Water and Sewer Dist

Somers, Montana 59932 - drinking water served from groundwater sources to 765 people, tracked in EPA SDWIS and UCMR5.

765
People served
26
EPA violations
6
Health-based
Untested
UCMR5 result

The verdict

EPA records 26 drinking-water violations at Somers Co Water and Sewer Dist, 23% of them health-based - below the Montana per-system average.

26
Total EPA violations on record
23%
Health-based (MCL / treatment failure)
765
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Somers Co Water and Sewer Dist

Somers Co Water and Sewer Dist is a local-owned community water system that delivers drinking water to 765 residents in Somers, Montana (Flathead County) through 300 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 26 total violations for this system , of which 6 (23%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 17 monitoring and reporting violations are on file. The most recent violation on record dates to 2009.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 9 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%).

Somers Co Water and Sewer Dist's 26 violations sit below 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
765
Total Violations
26
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
300
County
Flathead
School/Daycare
No
MCL Violations
6
Monitoring Violations
17
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 9 2007
Coliform (TCR) MR 6 2004
Coliform (TCR) MCL 6 2009
Nitrate MR 2 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 Somers Co Water and Sewer Dist.

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 MT0000332 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
2009 Coliform (TCR) MCL 6 SDWIS / MT0000332 / 3100
2007 Lead and Copper Rule MR 9 SDWIS / MT0000332 / 5000
2004 Coliform (TCR) MR 6 SDWIS / MT0000332 / 3100
1996 Nitrate MR 2 SDWIS / MT0000332 / 1040

How Somers Co Water and Sewer Dist Compares

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

Metric Somers Co Water and Sewer Dist Montana avg Federal benchmark
Total violations 26 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 6 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 765 492 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 Somers Co Water and Sewer Dist water safe to drink?
Somers Co Water and Sewer Dist (PWS ID: MT0000332) has 26 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 765 people using Groundwater sources.
How many people does Somers Co Water and Sewer Dist serve?
Somers Co Water and Sewer Dist serves 765 people in Somers, Montana. It is a Local-owned system using Groundwater water sources with 300 service connections.
What type of violations does Somers Co Water and Sewer Dist have?
Somers Co Water and Sewer Dist has 26 total violations: 6 health-based violations (MCL exceedances or treatment failures), 17 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Somers Co Water and Sewer Dist water?
No PFAS testing data is available for Somers Co Water and Sewer Dist under the EPA's UCMR5 monitoring program.
What water source does Somers Co Water and Sewer Dist use?
Somers Co Water and Sewer Dist 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.