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Community Water System · PWS MT0003630

Spring Meadows County Water District

Missoula, Montana 59802 - drinking water served from groundwater sources to 162 people, tracked in EPA SDWIS and UCMR5.

162
People served
320
EPA violations
30
Health-based
Untested
UCMR5 result

The verdict

EPA records 320 drinking-water violations at Spring Meadows County Water District, 9% of them health-based - above the Montana per-system average.

320
Total EPA violations on record
9%
Health-based (MCL / treatment failure)
162
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Spring Meadows County Water District

Spring Meadows County Water District is a private-owned community water system that delivers drinking water to 162 residents in Missoula, Montana (Missoula County) through 68 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 320 total violations for this system , of which 30 (9%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 290 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

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%).

Spring Meadows County Water District's 320 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
162
Total Violations
320
Health-Based Violations
30
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
68
County
Missoula
School/Daycare
No
MCL Violations
25
Monitoring Violations
290
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 25 2015
Coliform (TCR) MR 16 2002
E. COLI MR 10 2010
Nitrate-Nitrite MR 9 2006
Lead and Copper Rule MR 8 2015
BHC-GAMMA MR 6 2005
Toxaphene MR 6 2005
Dalapon MR 6 2005
Di(2-ethylhexyl) adipate MR 6 2005
Simazine MR 6 2005
Dinoseb MR 6 2005
Hexachlorocyclopentadiene MR 6 2005
Aldicarb sulfone MR 6 2005
Aldicarb MR 6 2005
LASSO MR 6 2005
Heptachlor MR 6 2005
Heptachlor epoxide MR 6 2005
2,4-D MR 6 2005
Benzo(a)pyrene MR 6 2005
Pentachlorophenol MR 6 2005
Chlordane MR 6 2005
Methoxychlor MR 6 2005
OXAMYL MR 6 2005
Di(2-ethylhexyl) phthalate MR 6 2005
Picloram MR 6 2005
Aldicarb sulfoxide MR 6 2005
Carbofuran MR 6 2005
Atrazine MR 6 2005
2,4,5-TP MR 6 2005
HEXACHLOROBENZENE MR 6 2005

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 Spring Meadows County Water District.

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 MT0003630 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
2018 Lead and Copper Rule TT 5 SDWIS / MT0003630 / 5000
2017 Revised Total Coliform Rule MON 4 SDWIS / MT0003630 / 8000
2015 Coliform (TCR) MCL 25 SDWIS / MT0003630 / 3100
2015 Lead and Copper Rule MR 8 SDWIS / MT0003630 / 5000
2010 E. COLI MR 10 SDWIS / MT0003630 / 3014
2006 Nitrate-Nitrite MR 9 SDWIS / MT0003630 / 1038
2005 BHC-GAMMA MR 6 SDWIS / MT0003630 / 2010
2005 Toxaphene MR 6 SDWIS / MT0003630 / 2020
2005 Dalapon MR 6 SDWIS / MT0003630 / 2031
2005 Di(2-ethylhexyl) adipate MR 6 SDWIS / MT0003630 / 2035
2005 Simazine MR 6 SDWIS / MT0003630 / 2037
2005 Dinoseb MR 6 SDWIS / MT0003630 / 2041
2005 Hexachlorocyclopentadiene MR 6 SDWIS / MT0003630 / 2042
2005 Aldicarb sulfone MR 6 SDWIS / MT0003630 / 2044
2005 Aldicarb MR 6 SDWIS / MT0003630 / 2047

How Spring Meadows County Water District Compares

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

Metric Spring Meadows County Water District Montana avg Federal benchmark
Total violations 320 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 30 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 162 492 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 Spring Meadows County Water District water safe to drink? ▼
Spring Meadows County Water District (PWS ID: MT0003630) has 320 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 162 people using Groundwater sources.
How many people does Spring Meadows County Water District serve? ▼
Spring Meadows County Water District serves 162 people in Missoula, Montana. It is a Private-owned system using Groundwater water sources with 68 service connections.
What type of violations does Spring Meadows County Water District have? ▼
Spring Meadows County Water District has 320 total violations: 30 health-based violations (MCL exceedances or treatment failures), 290 monitoring/reporting violations, and 5 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Spring Meadows County Water District water? ▼
No PFAS testing data is available for Spring Meadows County Water District under the EPA's UCMR5 monitoring program.
What water source does Spring Meadows County Water District use? ▼
Spring Meadows County Water District 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.