Public water system · AK2380638

Active

Tetlin Utility System

At a glance

Tetlin Utility System (PWSID AK2380638) is an active community water system in Southeast Fairbanks Census Area County, Alaska. It reports serving 150 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 2022.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

150

Service connections

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDAK2380638

System typeCommunity water system

Activity statusActive

Population served150

Service connections4

Primary water sourceGroundwater

Owner typeNative American

Primacy agencyAK state drinking water program

City servedTetlin

StateAlaska

ZIP—

CountySoutheast Fairbanks Census Area County

How does Tetlin Utility System compare with other water systems in Southeast Fairbanks Census Area County?

By EPA's size categories, Tetlin Utility System is a very small system (500 people or fewer). Southeast Fairbanks Census Area County has 64 active public water systems. Its population served is roughly in line with the county average of 166 people per system, and accounts for 1.4% of the 10,592 people reported by systems filed under the county. Across Alaska, the 1,322 active systems average 653 people each. Nationally, the average active community water system reports serving 6,703 people, so Tetlin Utility System is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Alaska has 406 active community water systems, 31% of the state's 1,322 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,054 Alaska systems (80%) list groundwater as their primary source.

Who owns and regulates Tetlin Utility System?

EPA lists Tetlin Utility System as Native American-owned. 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. 4 of the 64 active systems in Southeast Fairbanks Census Area County (6.3%) are also Native American-owned.

Does Tetlin Utility System have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 2022. The violations listed here began between January 2021 and September 2022. By type: 9 monitoring and reporting and 3 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (3 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
2022-09-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2022-01-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2021-12-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2021-10-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2021-01-01	Monitoring and reportingMonitoring, Regular · code 03	Tetrachloroethylenecode 2987	No	Resolved
2021-01-01	Monitoring and reportingMonitoring, Regular · code 03	Chlorobenzenecode 2989	No	Resolved
2021-01-01	Monitoring and reportingMonitoring, Regular · code 03	Vinyl chloridecode 2976	No	Resolved
2021-01-01	Monitoring and reportingMonitoring, Regular · code 03	1,2,4-Trichlorobenzenecode 2378	No	Resolved
2021-01-01	Monitoring and reportingMonitoring, Regular · code 03	Xylenes, Totalcode 2955	No	Resolved
2021-01-01	Monitoring and reportingMonitoring, Regular · code 03	1,2-Dichloropropanecode 2983	No	Resolved
2021-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2021-01-01	Monitoring and reportingMonitoring, Regular · code 03	Styrenecode 2996	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.

Tetlin Utility System: frequently asked questions

Who runs Tetlin Utility System?

Tetlin Utility System (PWSID AK2380638) is a community water system Native American-owned. It is regulated by the AK state drinking water program.

How many people does Tetlin Utility System serve?

Tetlin Utility System reports serving 150 people through 4 service connections in Southeast Fairbanks Census Area County, Alaska.

Where does Tetlin Utility System get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Tetlin Utility System have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 2022. 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 Tetlin Utility System'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, none is health-based, and the most recent began in September 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the AK state drinking water program.

Where can I find Tetlin Utility System's water quality report?

As a community water system, Tetlin Utility System must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Southeast Fairbanks Census Area County

Water system	County	Population served	Type	Source
Ft. Greely - Main Post	Southeast Fairbanks Census Area	1,257	Community	Groundwater
Ft Wainwright / Du - Isb	Southeast Fairbanks Census Area	957	Transient non-community	Groundwater
Ft. Wainwright / Du - Bax	Southeast Fairbanks Census Area	700	Transient non-community	Groundwater
Tok Civic Center	Southeast Fairbanks Census Area	500	Transient non-community	Groundwater
Northern Star (Pogo) Lower Camp LLC	Southeast Fairbanks Census Area	450	Non-transient non-community	Groundwater under influence of surface water
Delta Junction Iga & Home Town Square	Southeast Fairbanks Census Area	360	Non-transient non-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, “Tetlin Utility System, PWSID AK2380638, Alaska”, https://aquacensus.com/water-systems/alaska/tetlin-utility-system-ak2380638 (data as of October 1, 2026).