PlainWater

Non-Transient Non-Community Water System · PWS AK2300206

Yksd - Allakaket School

Fairbanks, Alaska 99709 - drinking water served from surface water sources to 52 people, tracked in EPA SDWIS and UCMR5.

52
People served
778
EPA violations
50
Health-based
Untested
UCMR5 result

The verdict

EPA records 778 drinking-water violations at Yksd - Allakaket School, 6% of them health-based - above the Alaska per-system average.

778
Total EPA violations on record
6%
Health-based (MCL / treatment failure)
52
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Yksd - Allakaket School

Yksd - Allakaket School is a local-owned non-transient non-community water system that delivers drinking water to 52 residents in Fairbanks, Alaska (Yukon-Koyukuk Census Area County) through 7 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 778 total violations for this system , of which 50 (6%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 627 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 Surface Water Treatment Rule, recorded in 63 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%).

Yksd - Allakaket School's 778 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
52
Total Violations
778
Health-Based Violations
50
Water Source
Surface Water

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
7
County
Yukon-Koyukuk Census Area
School/Daycare
Yes
MCL Violations
11
Monitoring Violations
627
Treatment Tech Violations
39

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 63 2024
Coliform (TCR) MR 48 2015
Chlorine MR 41 2024
Surface Water Treatment Rule TT 39 2023
Total Polychlorinated Biphenyls (PCB) MR 16 1998
Pentachlorophenol MR 16 1998
Heptachlor MR 16 1998
Chlordane MR 16 1998
Atrazine MR 16 1998
2,4,5-TP MR 16 1998
Toxaphene MR 16 1998
Methoxychlor MR 16 1998
Heptachlor epoxide MR 16 1998
2,4-D MR 16 1998
BHC-GAMMA MR 16 1998
Revised Total Coliform Rule MON 16 2024
Interim Enhanced Surface Water Treatment Rule MR 13 2024
TTHM MR 11 2025
Total Haloacetic Acids (HAA5) MR 11 2025
ETHYLENE DIBROMIDE MR 10 1998
Lead and Copper Rule MR 8 2022
Hexachlorocyclopentadiene MR 8 1998
HEXACHLOROBENZENE MR 8 1998
Di(2-ethylhexyl) phthalate MR 8 1998
Benzo(a)pyrene MR 8 1998
Picloram MR 8 1998
Glyphosate MR 8 1998
Endothall MR 8 1998
Diquat MR 8 1998
Dinoseb MR 8 1998

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 Yksd - Allakaket School.

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 AK2300206 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 TTHM MR 11 SDWIS / AK2300206 / 2950
2025 Total Haloacetic Acids (HAA5) MR 11 SDWIS / AK2300206 / 2456
2025 TTHM MCL 6 SDWIS / AK2300206 / 2950
2024 Surface Water Treatment Rule MR 63 SDWIS / AK2300206 / 0200
2024 Chlorine MR 41 SDWIS / AK2300206 / 0999
2024 Revised Total Coliform Rule MON 16 SDWIS / AK2300206 / 8000
2024 Interim Enhanced Surface Water Treatment Rule MR 13 SDWIS / AK2300206 / 0300
2023 Surface Water Treatment Rule TT 39 SDWIS / AK2300206 / 0200
2022 Lead and Copper Rule MR 8 SDWIS / AK2300206 / 5000
2021 Nitrate MR 6 SDWIS / AK2300206 / 1040
2021 Benzene MR 3 SDWIS / AK2300206 / 2990
2021 Carbon tetrachloride MR 3 SDWIS / AK2300206 / 2982
2021 Trichloroethylene MR 3 SDWIS / AK2300206 / 2984
2021 1,1,1-Trichloroethane MR 3 SDWIS / AK2300206 / 2981
2021 p-Dichlorobenzene MR 3 SDWIS / AK2300206 / 2969

How Yksd - Allakaket School Compares

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

Metric Yksd - Allakaket School Alaska avg Federal benchmark
Total violations 778 201.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 50 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 52 650 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 Yksd - Allakaket School water safe to drink?
Yksd - Allakaket School (PWS ID: AK2300206) has 778 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 52 people using Surface Water sources.
How many people does Yksd - Allakaket School serve?
Yksd - Allakaket School serves 52 people in Fairbanks, Alaska. It is a Local-owned system using Surface Water water sources with 7 service connections.
What type of violations does Yksd - Allakaket School have?
Yksd - Allakaket School has 778 total violations: 50 health-based violations (MCL exceedances or treatment failures), 627 monitoring/reporting violations, and 39 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Yksd - Allakaket School water?
No PFAS testing data is available for Yksd - Allakaket School under the EPA's UCMR5 monitoring program.
What water source does Yksd - Allakaket School use?
Yksd - Allakaket School uses Surface Water as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.