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Non-Transient Non-Community Water System · PWS MT0002026

Park City School K 12

Park City, Montana 59063 - drinking water served from groundwater sources to 300 people, tracked in EPA SDWIS and UCMR5.

300
People served
164
EPA violations
21
Health-based
Untested
UCMR5 result

The verdict

EPA records 164 drinking-water violations at Park City School K 12, 13% of them health-based - above the Montana per-system average.

164
Total EPA violations on record
13%
Health-based (MCL / treatment failure)
300
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Park City School K 12

Park City School K 12 is a local-owned non-transient non-community water system that delivers drinking water to 300 residents in Park City, Montana (Stillwater County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 164 total violations for this system , of which 21 (13%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 143 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Nitrate-Nitrite, recorded in 17 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%).

Park City School K 12's 164 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
300
Total Violations
164
Health-Based Violations
21
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Stillwater
School/Daycare
Yes
MCL Violations
21
Monitoring Violations
143
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate-Nitrite MCL 17 2022
Coliform (TCR) MR 8 2015
cis-1,2-Dichloroethylene MR 6 2014
Xylenes, Total MR 6 2014
DICHLOROMETHANE MR 6 2014
Vinyl chloride MR 6 2014
1,1-Dichloroethylene MR 6 2014
trans-1,2-Dichloroethylene MR 6 2014
1,2-Dichloroethane MR 6 2014
1,1,1-Trichloroethane MR 6 2014
1,2-Dichloropropane MR 6 2014
Trichloroethylene MR 6 2014
1,1,2-Trichloroethane MR 6 2014
CHLOROBENZENE MR 6 2014
Benzene MR 6 2014
Ethylbenzene MR 6 2014
Styrene MR 6 2014
1,2,4-Trichlorobenzene MR 6 2014
p-Dichlorobenzene MR 6 2014
o-Dichlorobenzene MR 6 2014
Carbon tetrachloride MR 6 2014
Tetrachloroethylene MR 6 2014
Toluene MR 6 2014
Lead and Copper Rule MR 5 2015
Coliform (TCR) MCL 4 2015
Nitrate-Nitrite MR 3 2011
Nitrate MR 1 1993

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 Park City School K 12.

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 MT0002026 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
2022 Nitrate-Nitrite MCL 17 SDWIS / MT0002026 / 1038
2015 Coliform (TCR) MR 8 SDWIS / MT0002026 / 3100
2015 Lead and Copper Rule MR 5 SDWIS / MT0002026 / 5000
2015 Coliform (TCR) MCL 4 SDWIS / MT0002026 / 3100
2014 cis-1,2-Dichloroethylene MR 6 SDWIS / MT0002026 / 2380
2014 Xylenes, Total MR 6 SDWIS / MT0002026 / 2955
2014 DICHLOROMETHANE MR 6 SDWIS / MT0002026 / 2964
2014 Vinyl chloride MR 6 SDWIS / MT0002026 / 2976
2014 1,1-Dichloroethylene MR 6 SDWIS / MT0002026 / 2977
2014 trans-1,2-Dichloroethylene MR 6 SDWIS / MT0002026 / 2979
2014 1,2-Dichloroethane MR 6 SDWIS / MT0002026 / 2980
2014 1,1,1-Trichloroethane MR 6 SDWIS / MT0002026 / 2981
2014 1,2-Dichloropropane MR 6 SDWIS / MT0002026 / 2983
2014 Trichloroethylene MR 6 SDWIS / MT0002026 / 2984
2014 1,1,2-Trichloroethane MR 6 SDWIS / MT0002026 / 2985

How Park City School K 12 Compares

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

Metric Park City School K 12 Montana avg Federal benchmark
Total violations 164 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 21 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 300 492 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 Park City School K 12 water safe to drink?
Park City School K 12 (PWS ID: MT0002026) has 164 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 300 people using Groundwater sources.
How many people does Park City School K 12 serve?
Park City School K 12 serves 300 people in Park City, Montana. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does Park City School K 12 have?
Park City School K 12 has 164 total violations: 21 health-based violations (MCL exceedances or treatment failures), 143 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Park City School K 12 water?
No PFAS testing data is available for Park City School K 12 under the EPA's UCMR5 monitoring program.
What water source does Park City School K 12 use?
Park City School K 12 uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.