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Community Water System · PWS AK2340418

Brevig Mission Water System

Brevig Mission, Alaska 99785 - drinking water served from groundwater sources to 442 people, tracked in EPA SDWIS and UCMR5.

442
People served
563
EPA violations
17
Health-based
Untested
UCMR5 result

The verdict

EPA records 563 drinking-water violations at Brevig Mission Water System, 3% of them health-based - above the Alaska per-system average.

563
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
442
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Brevig Mission Water System

Brevig Mission Water System is a native american-owned community water system that delivers drinking water to 442 residents in Brevig Mission, Alaska (Nome Census Area County) through 94 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 563 total violations for this system , of which 17 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 404 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 Coliform (TCR), recorded in 42 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 Alaska, EPA tracks 1,326 public water systems serving 862,218 people, with 267,144 cumulative violations and 13,963 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 201.5 violations. Statewide, 10 of 30 UCMR5-tested systems have reported PFAS detections (33.3%).

Brevig Mission Water System's 563 violations sit above the Alaska 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
442
Total Violations
563
Health-Based Violations
17
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
94
County
Nome Census Area
School/Daycare
No
MCL Violations
0
Monitoring Violations
404
Treatment Tech Violations
17

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 42 2015
Chlorine MR 30 2024
Consumer Confidence Rule Other 19 2023
Groundwater Rule TT 17 2024
Nitrate MR 16 2022
Revised Total Coliform Rule MON 14 2023
Toluene MR 9 2014
Xylenes, Total MR 9 2014
TTHM MR 9 2021
Total Haloacetic Acids (HAA5) MR 9 2021
Total Polychlorinated Biphenyls (PCB) MR 8 1995
Pentachlorophenol MR 8 1995
Heptachlor epoxide MR 8 1995
Atrazine MR 8 1995
Aldicarb sulfone MR 8 1995
Aldicarb MR 8 1995
2,4,5-TP MR 8 1995
Toxaphene MR 8 1995
BHC-GAMMA MR 8 1995
ETHYLENE DIBROMIDE MR 8 1995
Aldicarb sulfoxide MR 8 1995
Methoxychlor MR 8 1995
Heptachlor MR 8 1995
Chlordane MR 8 1995
2,4-D MR 8 1995
Lead and Copper Rule MR 7 2013
p-Dichlorobenzene MR 7 2014
1,1,1-Trichloroethane MR 7 2014
Carbon tetrachloride MR 7 2014
CHLOROBENZENE MR 7 2014

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 Brevig Mission 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 AK2340418 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Alaska Drinking Water Authority

Alaska'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 AK 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 Chlorine MR 30 SDWIS / AK2340418 / 0999
2024 Groundwater Rule TT 17 SDWIS / AK2340418 / 0700
2023 Consumer Confidence Rule Other 19 SDWIS / AK2340418 / 7000
2023 Revised Total Coliform Rule MON 14 SDWIS / AK2340418 / 8000
2023 Public Notice Other 2 SDWIS / AK2340418 / 7500
2022 Nitrate MR 16 SDWIS / AK2340418 / 1040
2021 TTHM MR 9 SDWIS / AK2340418 / 2950
2021 Total Haloacetic Acids (HAA5) MR 9 SDWIS / AK2340418 / 2456
2015 Coliform (TCR) MR 42 SDWIS / AK2340418 / 3100
2014 Toluene MR 9 SDWIS / AK2340418 / 2991
2014 Xylenes, Total MR 9 SDWIS / AK2340418 / 2955
2014 p-Dichlorobenzene MR 7 SDWIS / AK2340418 / 2969
2014 1,1,1-Trichloroethane MR 7 SDWIS / AK2340418 / 2981
2014 Carbon tetrachloride MR 7 SDWIS / AK2340418 / 2982
2014 CHLOROBENZENE MR 7 SDWIS / AK2340418 / 2989

How Brevig Mission Water System Compares

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

Metric Brevig Mission Water System Alaska avg Federal benchmark
Total violations 563 201.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 17 10.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 33.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 442 650 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,326 regulated public water systems in Alaska.

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 Brevig Mission Water System water safe to drink? ▼
Brevig Mission Water System (PWS ID: AK2340418) has 563 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 442 people using Groundwater sources.
How many people does Brevig Mission Water System serve? ▼
Brevig Mission Water System serves 442 people in Brevig Mission, Alaska. It is a Native American-owned system using Groundwater water sources with 94 service connections.
What type of violations does Brevig Mission Water System have? ▼
Brevig Mission Water System has 563 total violations: 17 health-based violations (MCL exceedances or treatment failures), 404 monitoring/reporting violations, and 17 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Brevig Mission Water System water? ▼
No PFAS testing data is available for Brevig Mission Water System under the EPA's UCMR5 monitoring program.
What water source does Brevig Mission Water System use? ▼
Brevig Mission 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.
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.