PlainWater

Community Water System · PWS AK2340379

Selawik Safewater Facility

Selawik, Alaska 99770 - drinking water served from surface water sources to 846 people, tracked in EPA SDWIS and UCMR5.

846
People served
2,153
EPA violations
451
Health-based
Untested
UCMR5 result

The verdict

EPA records 2,153 drinking-water violations at Selawik Safewater Facility, 21% of them health-based - above the Alaska per-system average.

2,153
Total EPA violations on record
21%
Health-based (MCL / treatment failure)
846
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Selawik Safewater Facility

Selawik Safewater Facility is a native american-owned community water system that delivers drinking water to 846 residents in Selawik, Alaska (Northwest Arctic Borough County) through 117 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 2,153 total violations for this system , of which 451 (21%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 1,525 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 Interim Enhanced Surface Water Treatment Rule, recorded in 220 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%).

Selawik Safewater Facility's 2,153 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
846
Total Violations
2,153
Health-Based Violations
451
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
117
County
Northwest Arctic Borough
School/Daycare
No
MCL Violations
73
Monitoring Violations
1,525
Treatment Tech Violations
378

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule MR 220 2025
Surface Water Treatment Rule TT 194 2025
Surface Water Treatment Rule MR 188 2025
Interim Enhanced Surface Water Treatment Rule TT 183 2025
TTHM MR 76 2025
Total Haloacetic Acids (HAA5) MR 74 2025
TTHM MCL 64 2025
Nitrate MR 28 2023
cis-1,2-Dichloroethylene MR 26 2022
o-Dichlorobenzene MR 26 2022
Tetrachloroethylene MR 26 2022
trans-1,2-Dichloroethylene MR 26 2022
Trichloroethylene MR 26 2022
1,1-Dichloroethylene MR 26 2022
Carbon tetrachloride MR 26 2022
1,2-Dichloropropane MR 26 2022
Ethylbenzene MR 26 2022
1,1,2-Trichloroethane MR 26 2022
Toluene MR 26 2022
CHLOROBENZENE MR 26 2022
Lead and Copper Rule MR 26 2025
p-Dichlorobenzene MR 26 2022
DICHLOROMETHANE MR 26 2022
1,1,1-Trichloroethane MR 26 2022
Styrene MR 26 2022
Benzene MR 25 2022
1,2-Dichloroethane MR 25 2022
Vinyl chloride MR 24 2022
Chlorine MR 23 2025
CARBON, TOTAL MR 21 2025

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 Selawik Safewater Facility.

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 AK2340379 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
2025 Interim Enhanced Surface Water Treatment Rule MR 220 SDWIS / AK2340379 / 0300
2025 Surface Water Treatment Rule TT 194 SDWIS / AK2340379 / 0200
2025 Surface Water Treatment Rule MR 188 SDWIS / AK2340379 / 0200
2025 Interim Enhanced Surface Water Treatment Rule TT 183 SDWIS / AK2340379 / 0300
2025 TTHM MR 76 SDWIS / AK2340379 / 2950
2025 Total Haloacetic Acids (HAA5) MR 74 SDWIS / AK2340379 / 2456
2025 TTHM MCL 64 SDWIS / AK2340379 / 2950
2025 Lead and Copper Rule MR 26 SDWIS / AK2340379 / 5000
2025 Chlorine MR 23 SDWIS / AK2340379 / 0999
2025 CARBON, TOTAL MR 21 SDWIS / AK2340379 / 2920
2025 Revised Total Coliform Rule MON 12 SDWIS / AK2340379 / 8000
2025 Public Notice Other 3 SDWIS / AK2340379 / 7500
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / AK2340379 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / AK2340379 / 5200
2023 Nitrate MR 28 SDWIS / AK2340379 / 1040

How Selawik Safewater Facility Compares

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

Metric Selawik Safewater Facility Alaska avg Federal benchmark
Total violations 2,153 201.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 451 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 846 650 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 Selawik Safewater Facility water safe to drink?
Selawik Safewater Facility (PWS ID: AK2340379) has 2153 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 846 people using Surface Water sources.
How many people does Selawik Safewater Facility serve?
Selawik Safewater Facility serves 846 people in Selawik, Alaska. It is a Native American-owned system using Surface Water water sources with 117 service connections.
What type of violations does Selawik Safewater Facility have?
Selawik Safewater Facility has 2,153 total violations: 451 health-based violations (MCL exceedances or treatment failures), 1,525 monitoring/reporting violations, and 378 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Selawik Safewater Facility water?
No PFAS testing data is available for Selawik Safewater Facility under the EPA's UCMR5 monitoring program.
What water source does Selawik Safewater Facility use?
Selawik Safewater Facility 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.