PlainWater

Community Water System · PWS MT0002517

Missoula KOA & El Mar Tlr Village

Bend, Montana 97703 - drinking water served from groundwater sources to 499 people, tracked in EPA SDWIS and UCMR5.

499
People served
30
EPA violations
3
Health-based
Untested
UCMR5 result

The verdict

EPA records 30 drinking-water violations at Missoula KOA & El Mar Tlr Village, 10% of them health-based - below the Montana per-system average.

30
Total EPA violations on record
10%
Health-based (MCL / treatment failure)
499
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Missoula KOA & El Mar Tlr Village

Missoula KOA & El Mar Tlr Village is a private-owned community water system that delivers drinking water to 499 residents in Bend, Montana (Missoula County) through 207 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 30 total violations for this system , of which 3 (10%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 21 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 12 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%).

Missoula KOA & El Mar Tlr Village's 30 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
499
Total Violations
30
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
207
County
Missoula
School/Daycare
No
MCL Violations
0
Monitoring Violations
21
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 12 2008
Consumer Confidence Rule Other 6 2023
Lead and Copper Rule MR 5 2024
Nitrate MR 3 1998
Revised Total Coliform Rule TT 3 2025
Gross Alpha, Excl. Radon and U MR 1 1982

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 Missoula KOA & El Mar Tlr Village.

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 MT0002517 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
2025 Revised Total Coliform Rule TT 3 SDWIS / MT0002517 / 8000
2024 Lead and Copper Rule MR 5 SDWIS / MT0002517 / 5000
2023 Consumer Confidence Rule Other 6 SDWIS / MT0002517 / 7000
2008 Coliform (TCR) MR 12 SDWIS / MT0002517 / 3100
1998 Nitrate MR 3 SDWIS / MT0002517 / 1040
1982 Gross Alpha, Excl. Radon and U MR 1 SDWIS / MT0002517 / 4000

How Missoula KOA & El Mar Tlr Village Compares

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

Metric Missoula KOA & El Mar Tlr Village Montana avg Federal benchmark
Total violations 30 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 3 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 499 492 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 Missoula KOA & El Mar Tlr Village water safe to drink?
Missoula KOA & El Mar Tlr Village (PWS ID: MT0002517) has 30 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 499 people using Groundwater sources.
How many people does Missoula KOA & El Mar Tlr Village serve?
Missoula KOA & El Mar Tlr Village serves 499 people in Bend, Montana. It is a Private-owned system using Groundwater water sources with 207 service connections.
What type of violations does Missoula KOA & El Mar Tlr Village have?
Missoula KOA & El Mar Tlr Village has 30 total violations: 3 health-based violations (MCL exceedances or treatment failures), 21 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Missoula KOA & El Mar Tlr Village water?
No PFAS testing data is available for Missoula KOA & El Mar Tlr Village under the EPA's UCMR5 monitoring program.
What water source does Missoula KOA & El Mar Tlr Village use?
Missoula KOA & El Mar Tlr Village 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.