Skip to content
AquaCensus

Public water system · AK2370625

Active

Eielson - Air Force Base

At a glance

Eielson - Air Force Base (PWSID AK2370625) is an active community water system in Fairbanks North Star Borough County, Alaska. It reports serving 11,870 people through 716 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024.

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

Population served

11,870

Service connections

716

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDAK2370625
System typeCommunity water system
Activity statusActive
Population served11,870
Service connections716
Primary water sourceGroundwater
Owner typeFederal government
Primacy agencyAK state drinking water program
City servedEielson
StateAlaska
ZIP—

How does Eielson - Air Force Base compare with other water systems in Fairbanks North Star Borough County?

By EPA's size categories, Eielson - Air Force Base is a large system (10,001 to 100,000 people). Fairbanks North Star Borough County has 65 active public water systems, and Eielson - Air Force Base is the 4th-largest of them by population served. Its population served is about 4.7 times the county average of 2,499 people per system, and accounts for 7.3% of the 162,441 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 Eielson - Air Force Base is about 77% above 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 Eielson - Air Force Base?

EPA lists Eielson - Air Force Base as owned by the federal 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. 4 of the 65 active systems in Fairbanks North Star Borough County (6.2%) are also owned by the federal government.

Does Eielson - Air Force Base have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. The violations listed here began between January 2004 and October 2024. By type: 10 monitoring and reporting, 1 required treatment not met and 1 reporting. The contaminant or rule involved most often is Haloacetic acids (HAA5) (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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-17Required treatment not metLSL Inventory · code 2ELead and Copper Rule Revisionscode 5200YesResolved
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoResolved
2024-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2024-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2023-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2023-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2022-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2022-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2020-08-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2020-08-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2004-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2004-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved

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.

Eielson - Air Force Base: frequently asked questions

Who runs Eielson - Air Force Base?

Eielson - Air Force Base (PWSID AK2370625) is a community water system owned by the federal government. It is regulated by the AK state drinking water program.

How many people does Eielson - Air Force Base serve?

Eielson - Air Force Base reports serving 11,870 people through 716 service connections in Fairbanks North Star Borough County, Alaska.

Where does Eielson - Air Force Base 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 Eielson - Air Force Base have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. 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 Eielson - Air Force Base'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, one is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the AK state drinking water program.

Where can I find Eielson - Air Force Base's water quality report?

As a community water system, Eielson - Air Force Base 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 Fairbanks North Star Borough County

Water systemCountyPopulation servedTypeSource
Golden Heart UtilitiesFairbanks North Star Borough78,324CommunityGroundwater
College Utilities CorporationFairbanks North Star Borough27,000CommunityPurchased groundwater
Ft Wainwright - Main PostFairbanks North Star Borough20,076CommunityGroundwater
University of Alaska - FairbanksFairbanks North Star Borough6,200CommunityPurchased groundwater
North Pole UtilitiesFairbanks North Star Borough4,005CommunityGroundwater
H2o 2u, Dba the FillFairbanks North Star Borough2,400CommunityPurchased groundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Eielson - Air Force Base, PWSID AK2370625, Alaska”, https://aquacensus.com/water-systems/alaska/eielson-air-force-base-ak2370625 (data as of October 1, 2026).