Skip to content
AquaCensus

Public water system · AK2372897

Active

Diamond Willow Inn

At a glance

Diamond Willow Inn (PWSID AK2372897) is an active transient non-community water system in Southeast Fairbanks Census Area County, Alaska. It reports serving 29 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in July 2021.

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

Population served

29

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDAK2372897
System typeTransient non-community water system
Activity statusActive
Population served29
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyAK state drinking water program
City servedDelta Junction
StateAlaska
ZIP—

How does Diamond Willow Inn compare with other water systems in Southeast Fairbanks Census Area County?

By EPA's size categories, Diamond Willow Inn is a very small system (500 people or fewer). Southeast Fairbanks Census Area County has 64 active public water systems. Its population served is well below the county average of 166 people per system, and accounts for 0.3% 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 transient non-community water system reports serving 144 people, so Diamond Willow Inn is well below that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Alaska has 689 active transient non-community water systems, 52% 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 Diamond Willow Inn?

EPA lists Diamond Willow Inn as privately 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. 48 of the 64 active systems in Southeast Fairbanks Census Area County (75%) are also privately owned.

Does Diamond Willow Inn have drinking water violations?

EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in July 2021. The violations listed here began between July 2012 and July 2021. By type: 5 monitoring and reporting, 2 monitoring and 2 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 9 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
2021-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-09-02Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2017-09-02Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2014-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2013-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2012-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2012-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 9 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.

Diamond Willow Inn: frequently asked questions

Who runs Diamond Willow Inn?

Diamond Willow Inn (PWSID AK2372897) is a transient non-community water system privately owned. It is regulated by the AK state drinking water program.

How many people does Diamond Willow Inn serve?

Diamond Willow Inn reports serving 29 people through 1 service connection in Southeast Fairbanks Census Area County, Alaska.

Where does Diamond Willow Inn 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 Diamond Willow Inn have any drinking water violations?

EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in July 2021. 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 Diamond Willow Inn'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. EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in July 2021. For current results, consult EPA ECHO, or the AK state drinking water program.

Where can I find Diamond Willow Inn's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Diamond Willow Inn is a 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 Southeast Fairbanks Census Area County

Water systemCountyPopulation servedTypeSource
Ft. Greely - Main PostSoutheast Fairbanks Census Area1,257CommunityGroundwater
Ft Wainwright / Du - IsbSoutheast Fairbanks Census Area957Transient non-communityGroundwater
Ft. Wainwright / Du - BaxSoutheast Fairbanks Census Area700Transient non-communityGroundwater
Tok Civic CenterSoutheast Fairbanks Census Area500Transient non-communityGroundwater
Northern Star (Pogo) Lower Camp LLCSoutheast Fairbanks Census Area450Non-transient non-communityGroundwater under influence of surface water
Delta Junction Iga & Home Town SquareSoutheast Fairbanks Census Area360Non-transient non-communityGroundwater

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, “Diamond Willow Inn, PWSID AK2372897, Alaska”, https://aquacensus.com/water-systems/alaska/diamond-willow-inn-ak2372897 (data as of October 1, 2026).