Public water system · AK2300206
ActiveYksd - Allakaket School
At a glance
Yksd - Allakaket School (PWSID AK2300206) is an active non-transient non-community water system in Yukon-Koyukuk Census Area County, Alaska. It reports serving 52 people through 7 service connections. Its primary water source is groundwater under influence of surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
52
Service connections
7
Primary source
GU
Groundwater under influence of surface water
System type
NTNCWS
Non-transient non-community water system
System record
How does Yksd - Allakaket School compare with other water systems in Yukon-Koyukuk Census Area County?
By EPA's size categories, Yksd - Allakaket School is a very small system (500 people or fewer). Yukon-Koyukuk Census Area County has 34 active public water systems. Its population served is well below the county average of 180 people per system, and accounts for 0.8% of the 6,119 people reported by systems filed under the county. Across Alaska, the 1,322 active systems average 653 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Yksd - Allakaket School is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Alaska has 227 active non-transient non-community water systems, 17% of the state's 1,322 active systems. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 28 Alaska systems (2.1%) list groundwater under influence of surface water as their primary source.
Who owns and regulates Yksd - Allakaket School?
EPA lists Yksd - Allakaket School as owned by a local government. The AK state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 1 of the 34 active systems in Yukon-Koyukuk Census Area County (2.9%) are also owned by a local government.
Does Yksd - Allakaket School have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2026. The violations listed here began between September 2024 and January 2026. By type: 8 monitoring and reporting, 3 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (4 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-11-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2025-11-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2025-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2025-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2024-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2024-10-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2024-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2024-10-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2024-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Yksd - Allakaket School: frequently asked questions
Who runs Yksd - Allakaket School?
Yksd - Allakaket School (PWSID AK2300206) is a non-transient non-community water system owned by a local government. It is regulated by the AK state drinking water program.
How many people does Yksd - Allakaket School serve?
Yksd - Allakaket School reports serving 52 people through 7 service connections in Yukon-Koyukuk Census Area County, Alaska.
Where does Yksd - Allakaket School get its water?
EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.
Does Yksd - Allakaket School have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2026. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Yksd - Allakaket School's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2026. For current results, consult EPA ECHO, or the AK state drinking water program.
Where can I find Yksd - Allakaket School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Yksd - Allakaket School is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Yukon-Koyukuk Census Area County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ft. Yukon Public Water System | Yukon-Koyukuk Census Area | 665 | Community | Groundwater under influence of surface water |
| Galena Wtp1 - City | Yukon-Koyukuk Census Area | 490 | Community | Groundwater |
| Nenana Municipal Water | Yukon-Koyukuk Census Area | 486 | Community | Groundwater |
| Mcgrath Water System | Yukon-Koyukuk Census Area | 341 | Community | Surface water |
| Huslia Public Water System | Yukon-Koyukuk Census Area | 323 | Community | Groundwater |
| Galena Wtp2 - Gila | Yukon-Koyukuk Census Area | 290 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Yksd - Allakaket School, PWSID AK2300206, Alaska”, https://aquacensus.com/water-systems/alaska/yksd-allakaket-school-ak2300206 (data as of October 1, 2026).