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Community Water System · PWS AK2300191

Huslia Public Water System

Huslia, Alaska 99746 - drinking water served from groundwater sources to 323 people, tracked in EPA SDWIS and UCMR5.

323
People served
178
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 178 drinking-water violations at Huslia Public Water System, 1% of them health-based - below the Alaska per-system average.

178
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
323
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Huslia Public Water System

Huslia Public Water System is a native american-owned community water system that delivers drinking water to 323 residents in Huslia, Alaska (Yukon-Koyukuk Census Area County) through 72 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 178 total violations for this system , of which 1 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 120 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 Chlorine, recorded in 34 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%).

Huslia Public Water System's 178 violations sit below 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
323
Total Violations
178
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
72
County
Yukon-Koyukuk Census Area
School/Daycare
No
MCL Violations
0
Monitoring Violations
120
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 34 2025
Revised Total Coliform Rule MON 17 2025
Coliform (TCR) MR 14 2011
Lead and Copper Rule MR 9 2022
Nitrate MR 4 2021
Consumer Confidence Rule Other 3 2000
Cadmium MR 2 1987
Arsenic MR 2 1987
Chromium MR 2 1987
Selenium MR 2 1987
Mercury MR 2 1987
Barium MR 2 1987
Fluoride MR 1 1985
Nickel MR 1 1996
Xylenes, Total MR 1 2009
p-Dichlorobenzene MR 1 2009
Vinyl chloride MR 1 2009
trans-1,2-Dichloroethylene MR 1 2009
1,2-Dichloroethane MR 1 2009
1,1,1-Trichloroethane MR 1 2009
Carbon tetrachloride MR 1 2009
1,2-Dichloropropane MR 1 2009
Trichloroethylene MR 1 2009
CHLOROBENZENE MR 1 2009
Benzene MR 1 2009
Styrene MR 1 2009
TTHM MR 1 2021
Total Haloacetic Acids (HAA5) MR 1 2021
Beryllium, Total MR 1 1996
1,2,4-Trichlorobenzene MR 1 2009

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 Huslia Public 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 AK2300191 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 Chlorine MR 34 SDWIS / AK2300191 / 0999
2025 Revised Total Coliform Rule MON 17 SDWIS / AK2300191 / 8000
2022 Lead and Copper Rule MR 9 SDWIS / AK2300191 / 5000
2021 Nitrate MR 4 SDWIS / AK2300191 / 1040
2021 TTHM MR 1 SDWIS / AK2300191 / 2950
2021 Total Haloacetic Acids (HAA5) MR 1 SDWIS / AK2300191 / 2456
2016 Groundwater Rule TT 1 SDWIS / AK2300191 / 0700
2011 Coliform (TCR) MR 14 SDWIS / AK2300191 / 3100
2009 Xylenes, Total MR 1 SDWIS / AK2300191 / 2955
2009 p-Dichlorobenzene MR 1 SDWIS / AK2300191 / 2969
2009 Vinyl chloride MR 1 SDWIS / AK2300191 / 2976
2009 trans-1,2-Dichloroethylene MR 1 SDWIS / AK2300191 / 2979
2009 1,2-Dichloroethane MR 1 SDWIS / AK2300191 / 2980
2009 1,1,1-Trichloroethane MR 1 SDWIS / AK2300191 / 2981
2009 Carbon tetrachloride MR 1 SDWIS / AK2300191 / 2982

How Huslia Public Water System Compares

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

Metric Huslia Public Water System Alaska avg Federal benchmark
Total violations 178 201.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 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 323 650 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 Huslia Public Water System water safe to drink?
Huslia Public Water System (PWS ID: AK2300191) has 178 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 323 people using Groundwater sources.
How many people does Huslia Public Water System serve?
Huslia Public Water System serves 323 people in Huslia, Alaska. It is a Native American-owned system using Groundwater water sources with 72 service connections.
What type of violations does Huslia Public Water System have?
Huslia Public Water System has 178 total violations: 1 health-based violations (MCL exceedances or treatment failures), 120 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Huslia Public Water System water?
No PFAS testing data is available for Huslia Public Water System under the EPA's UCMR5 monitoring program.
What water source does Huslia Public Water System use?
Huslia Public 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.
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.