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Community Water System · PWS MT0000275

Pinewood Village

Libby, Montana 59923 - drinking water served from groundwater sources to 160 people, tracked in EPA SDWIS and UCMR5.

160
People served
65
EPA violations
29
Health-based
Untested
UCMR5 result

The verdict

EPA records 65 drinking-water violations at Pinewood Village, 45% of them health-based - below the Montana per-system average.

65
Total EPA violations on record
45%
Health-based (MCL / treatment failure)
160
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Pinewood Village

Pinewood Village is a private-owned community water system that delivers drinking water to 160 residents in Libby, Montana (Lincoln County) through 66 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 65 total violations for this system , of which 29 (45%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 30 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 25 violations (MCL, health-based). 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%).

Pinewood Village's 65 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
160
Total Violations
65
Health-Based Violations
29
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
66
County
Lincoln
School/Daycare
No
MCL Violations
25
Monitoring Violations
30
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 25 2014
Coliform (TCR) MR 10 1996
Lead and Copper Rule MR 6 2011
Consumer Confidence Rule Other 6 2023
Nitrate MR 4 1997
Asbestos MR 3 2011
Revised Total Coliform Rule TT 3 2017
Groundwater Rule TT 1 2013
Mercury MR 1 1981
Arsenic MR 1 1981
Selenium MR 1 1981
Chromium MR 1 1981
Fluoride MR 1 1981
Barium MR 1 1981
Cadmium MR 1 1981

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 Pinewood 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 MT0000275 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
2023 Consumer Confidence Rule Other 6 SDWIS / MT0000275 / 7000
2017 Revised Total Coliform Rule TT 3 SDWIS / MT0000275 / 8000
2014 Coliform (TCR) MCL 25 SDWIS / MT0000275 / 3100
2013 Groundwater Rule TT 1 SDWIS / MT0000275 / 0700
2011 Lead and Copper Rule MR 6 SDWIS / MT0000275 / 5000
2011 Asbestos MR 3 SDWIS / MT0000275 / 1094
1997 Nitrate MR 4 SDWIS / MT0000275 / 1040
1996 Coliform (TCR) MR 10 SDWIS / MT0000275 / 3100
1981 Mercury MR 1 SDWIS / MT0000275 / 1035
1981 Arsenic MR 1 SDWIS / MT0000275 / 1005
1981 Selenium MR 1 SDWIS / MT0000275 / 1045
1981 Chromium MR 1 SDWIS / MT0000275 / 1020
1981 Fluoride MR 1 SDWIS / MT0000275 / 1025
1981 Barium MR 1 SDWIS / MT0000275 / 1010
1981 Cadmium MR 1 SDWIS / MT0000275 / 1015

How Pinewood Village Compares

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

Metric Pinewood Village Montana avg Federal benchmark
Total violations 65 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 29 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 160 492 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 Pinewood Village water safe to drink? ▼
Pinewood Village (PWS ID: MT0000275) has 65 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 160 people using Groundwater sources.
How many people does Pinewood Village serve? ▼
Pinewood Village serves 160 people in Libby, Montana. It is a Private-owned system using Groundwater water sources with 66 service connections.
What type of violations does Pinewood Village have? ▼
Pinewood Village has 65 total violations: 29 health-based violations (MCL exceedances or treatment failures), 30 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Pinewood Village water? ▼
No PFAS testing data is available for Pinewood Village under the EPA's UCMR5 monitoring program.
What water source does Pinewood Village use? ▼
Pinewood 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.

Read our methodology - how this data is sourced, computed, and verified.

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.