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Community Water System · PWS MT0000360

White Sulphur Springs City Of

White Sulphur Springs, Montana 59645 - drinking water served from surface water sources to 1,000 people, tracked in EPA SDWIS and UCMR5.

1,000
People served
1,611
EPA violations
119
Health-based
Untested
UCMR5 result

The verdict

EPA records 1,611 drinking-water violations at White Sulphur Springs City Of, 7% of them health-based - above the Montana per-system average.

1,611
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
1,000
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: White Sulphur Springs City Of

White Sulphur Springs City Of is a local-owned community water system that delivers drinking water to 1,000 residents in White Sulphur Springs, Montana (Meagher County) through 600 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 1,611 total violations for this system , of which 119 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 1,482 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 89 violations (TT, 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%).

White Sulphur Springs City Of's 1,611 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
1,000
Total Violations
1,611
Health-Based Violations
119
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
600
County
Meagher
School/Daycare
No
MCL Violations
10
Monitoring Violations
1,482
Treatment Tech Violations
109

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 89 2014
Total Haloacetic Acids (HAA5) MR 41 2020
TTHM MR 38 2013
Surface Water Treatment Rule MR 29 2009
BHC-GAMMA MR 27 2020
Dalapon MR 27 2020
Di(2-ethylhexyl) adipate MR 27 2020
OXAMYL MR 27 2020
Di(2-ethylhexyl) phthalate MR 27 2020
Dinoseb MR 27 2020
Hexachlorocyclopentadiene MR 27 2020
Atrazine MR 27 2020
Heptachlor epoxide MR 27 2020
2,4-D MR 27 2020
HEXACHLOROBENZENE MR 27 2020
Benzo(a)pyrene MR 27 2020
Pentachlorophenol MR 27 2020
Chlordane MR 27 2020
Toxaphene MR 27 2020
Simazine MR 27 2020
Carbofuran MR 27 2020
LASSO MR 27 2020
Heptachlor MR 27 2020
Methoxychlor MR 27 2020
Picloram MR 27 2020
2,4,5-TP MR 27 2020
Endrin MR 27 2020
Arsenic MR 26 2024
cis-1,2-Dichloroethylene MR 23 2024
Xylenes, Total MR 23 2024

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 White Sulphur Springs City Of.

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 MT0000360 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
2024 Arsenic MR 26 SDWIS / MT0000360 / 1005
2024 cis-1,2-Dichloroethylene MR 23 SDWIS / MT0000360 / 2380
2024 Xylenes, Total MR 23 SDWIS / MT0000360 / 2955
2024 DICHLOROMETHANE MR 23 SDWIS / MT0000360 / 2964
2024 p-Dichlorobenzene MR 23 SDWIS / MT0000360 / 2969
2024 trans-1,2-Dichloroethylene MR 23 SDWIS / MT0000360 / 2979
2024 1,2-Dichloroethane MR 23 SDWIS / MT0000360 / 2980
2024 1,2-Dichloropropane MR 23 SDWIS / MT0000360 / 2983
2024 Trichloroethylene MR 23 SDWIS / MT0000360 / 2984
2024 1,1,2-Trichloroethane MR 23 SDWIS / MT0000360 / 2985
2024 Tetrachloroethylene MR 23 SDWIS / MT0000360 / 2987
2024 CHLOROBENZENE MR 23 SDWIS / MT0000360 / 2989
2024 Ethylbenzene MR 23 SDWIS / MT0000360 / 2992
2024 Styrene MR 23 SDWIS / MT0000360 / 2996
2024 o-Dichlorobenzene MR 23 SDWIS / MT0000360 / 2968

How White Sulphur Springs City Of Compares

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

Metric White Sulphur Springs City Of Montana avg Federal benchmark
Total violations 1,611 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 119 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 1,000 492 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 White Sulphur Springs City Of water safe to drink?
White Sulphur Springs City Of (PWS ID: MT0000360) has 1611 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,000 people using Surface Water sources.
How many people does White Sulphur Springs City Of serve?
White Sulphur Springs City Of serves 1,000 people in White Sulphur Springs, Montana. It is a Local-owned system using Surface Water water sources with 600 service connections.
What type of violations does White Sulphur Springs City Of have?
White Sulphur Springs City Of has 1,611 total violations: 119 health-based violations (MCL exceedances or treatment failures), 1,482 monitoring/reporting violations, and 109 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in White Sulphur Springs City Of water?
No PFAS testing data is available for White Sulphur Springs City Of under the EPA's UCMR5 monitoring program.
What water source does White Sulphur Springs City Of use?
White Sulphur Springs City Of uses Surface Water 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.