PlainWater
States08

TWO MEDICINE WATER - EAST GLACIER

PWS ID: 083090090 · BROWNING, 08 59417

TWO MEDICINE WATER - EAST GLACIER serves 1,504 people in BROWNING, 08 using Surface Water water sources. It has 64 recorded EPA violations, including 9 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: TWO MEDICINE WATER - EAST GLACIER

TWO MEDICINE WATER - EAST GLACIER is a native american-owned community water system that delivers drinking water to 1,504 residents in BROWNING, 08 through 240 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 64 total violations for this system , of which 9 (14%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 44 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 Consumer Confidence Rule, recorded in 8 violations (Other). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across 08, EPA tracks 160 public water systems serving 144,980 people, with 13,068 cumulative violations and 1,547 health-based violations on record. About 96% of systems in the state carry at least one violation, and state-wide the average per system is 81.7 violations. TWO MEDICINE WATER - EAST GLACIER's 64 violations sit below the 08 average. Statewide, 10 of 13 UCMR5-tested systems have reported PFAS detections (76.9%). 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
1,504
Total Violations
64
Health-Based Violations
9
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
240
School/Daycare
No
MCL Violations
0
Monitoring Violations
44
Treatment Tech Violations
9

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 8 2023
Surface Water Treatment Rule TT 7 2017
Interim Enhanced Surface Water Treatment Rule Other 3 2020
Surface Water Treatment Rule MR 2 2016
Long Term 2 Enhanced Surface Water Treatment Rule TT 2 2022
Nitrate-Nitrite MR 1 2020
Pentachlorophenol MR 1 2020
Simazine MR 1 2020
Endrin MR 1 2020
Total Polychlorinated Biphenyls (PCB) MR 1 2020
Glyphosate MR 1 2020
Dalapon MR 1 2020
Benzo(a)pyrene MR 1 2020
Atrazine MR 1 2020
OXAMYL MR 1 2020
2,4-D MR 1 2020
LASSO MR 1 2020
Picloram MR 1 2020
BHC-GAMMA MR 1 2020
Endothall MR 1 2020
Diquat MR 1 2020
Carbofuran MR 1 2020
Mercury MR 1 2022
Thallium, Total MR 1 2022
Arsenic MR 1 2022
Fluoride MR 1 2022
Nickel MR 1 2022
Selenium MR 1 2022
Heptachlor MR 1 2020
Di(2-ethylhexyl) phthalate MR 1 2020

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 TWO MEDICINE WATER - EAST GLACIER.

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 083090090 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

08 Drinking Water Authority

08'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 08 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 8 SDWIS / 083090090 / 7000
2022 Long Term 2 Enhanced Surface Water Treatment Rule TT 2 SDWIS / 083090090 / 0800
2022 Mercury MR 1 SDWIS / 083090090 / 1035
2022 Thallium, Total MR 1 SDWIS / 083090090 / 1085
2022 Arsenic MR 1 SDWIS / 083090090 / 1005
2022 Fluoride MR 1 SDWIS / 083090090 / 1025
2022 Nickel MR 1 SDWIS / 083090090 / 1036
2022 Selenium MR 1 SDWIS / 083090090 / 1045
2022 Barium MR 1 SDWIS / 083090090 / 1010
2022 Cadmium MR 1 SDWIS / 083090090 / 1015
2022 Beryllium, Total MR 1 SDWIS / 083090090 / 1075
2022 Chromium MR 1 SDWIS / 083090090 / 1020
2022 Antimony, Total MR 1 SDWIS / 083090090 / 1074
2021 Lead and Copper Rule MR 1 SDWIS / 083090090 / 5000
2020 Interim Enhanced Surface Water Treatment Rule Other 3 SDWIS / 083090090 / 0300

How TWO MEDICINE WATER - EAST GLACIER Compares

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

Metric TWO MEDICINE WATER - EAST GLACIER 08 avg Federal benchmark
Total violations 64 81.7 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 9 9.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 76.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,504 906 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 160 regulated public water systems in 08.

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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is TWO MEDICINE WATER - EAST GLACIER water safe to drink?
TWO MEDICINE WATER - EAST GLACIER (PWS ID: 083090090) has 64 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,504 people using Surface Water sources.
How many people does TWO MEDICINE WATER - EAST GLACIER serve?
TWO MEDICINE WATER - EAST GLACIER serves 1,504 people in BROWNING, 08. It is a Native American-owned system using Surface Water water sources with 240 service connections.
What type of violations does TWO MEDICINE WATER - EAST GLACIER have?
TWO MEDICINE WATER - EAST GLACIER has 64 total violations: 9 health-based violations (MCL exceedances or treatment failures), 44 monitoring/reporting violations, and 9 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in TWO MEDICINE WATER - EAST GLACIER water?
No PFAS testing data is available for TWO MEDICINE WATER - EAST GLACIER under the EPA's UCMR5 monitoring program.
What water source does TWO MEDICINE WATER - EAST GLACIER use?
TWO MEDICINE WATER - EAST GLACIER 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial