PlainWater
States08

BLACKFEET DORM. WATER SYSTEM

PWS ID: 083090002 · BROWNING, 08 59417

BLACKFEET DORM. WATER SYSTEM serves 66 people in BROWNING, 08 using Groundwater water sources. It has 46 recorded EPA violations, including 11 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: BLACKFEET DORM. WATER SYSTEM

BLACKFEET DORM. WATER SYSTEM is a federal-owned community water system that delivers drinking water to 66 residents in BROWNING, 08 through 14 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 46 total violations for this system , of which 11 (24%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 34 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 19 violations (MR). 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. BLACKFEET DORM. WATER SYSTEM's 46 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
66
Total Violations
46
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Federal
Connections
14
School/Daycare
No
MCL Violations
10
Monitoring Violations
34
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 19 2006
Coliform (TCR) MCL 10 1995
TTHM MR 4 2005
Total Haloacetic Acids (HAA5) MR 4 2005
Chlorine MR 4 2024
Groundwater Rule TT 1 2025
Gross Alpha, Excl. Radon and U MR 1 1976
Combined Radium (-226 and -228) MR 1 1976
Nitrate-Nitrite MR 1 2011

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 BLACKFEET DORM. WATER SYSTEM.

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 083090002 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
2025 Groundwater Rule TT 1 SDWIS / 083090002 / 0700
2024 Chlorine MR 4 SDWIS / 083090002 / 0999
2011 Nitrate-Nitrite MR 1 SDWIS / 083090002 / 1038
2006 Coliform (TCR) MR 19 SDWIS / 083090002 / 3100
2005 TTHM MR 4 SDWIS / 083090002 / 2950
2005 Total Haloacetic Acids (HAA5) MR 4 SDWIS / 083090002 / 2456
1995 Coliform (TCR) MCL 10 SDWIS / 083090002 / 3100
1976 Gross Alpha, Excl. Radon and U MR 1 SDWIS / 083090002 / 4000
1976 Combined Radium (-226 and -228) MR 1 SDWIS / 083090002 / 4010

How BLACKFEET DORM. WATER SYSTEM Compares

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

Metric BLACKFEET DORM. WATER SYSTEM 08 avg Federal benchmark
Total violations 46 81.7 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 11 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 66 906 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 BLACKFEET DORM. WATER SYSTEM water safe to drink?
BLACKFEET DORM. WATER SYSTEM (PWS ID: 083090002) has 46 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 66 people using Groundwater sources.
How many people does BLACKFEET DORM. WATER SYSTEM serve?
BLACKFEET DORM. WATER SYSTEM serves 66 people in BROWNING, 08. It is a Federal-owned system using Groundwater water sources with 14 service connections.
What type of violations does BLACKFEET DORM. WATER SYSTEM have?
BLACKFEET DORM. WATER SYSTEM has 46 total violations: 11 health-based violations (MCL exceedances or treatment failures), 34 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in BLACKFEET DORM. WATER SYSTEM water?
No PFAS testing data is available for BLACKFEET DORM. WATER SYSTEM under the EPA's UCMR5 monitoring program.
What water source does BLACKFEET DORM. WATER SYSTEM use?
BLACKFEET DORM. WATER SYSTEM 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.

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