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Public water system · AK2241020

Active

Nikishka Bay

At a glance

Nikishka Bay (PWSID AK2241020) is an active community water system in Kenai Peninsula Borough County, Alaska. It reports serving 470 people through 109 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in October 2024.

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

Population served

470

Service connections

109

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDAK2241020
System typeCommunity water system
Activity statusActive
Population served470
Service connections109
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyAK state drinking water program
City servedNikiski
StateAlaska
ZIP—

How does Nikishka Bay compare with other water systems in Kenai Peninsula Borough County?

By EPA's size categories, Nikishka Bay is a very small system (500 people or fewer). Kenai Peninsula Borough County has 205 active public water systems. Its population served is about twice the county average of 233 people per system, and accounts for 1% of the 47,686 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 Nikishka Bay 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 Nikishka Bay?

EPA lists Nikishka Bay 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. 158 of the 205 active systems in Kenai Peninsula Borough County (77%) are also privately owned.

Does Nikishka Bay have drinking water violations?

Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in October 2024. The violations listed here began between July 2005 and October 2024. By type: 4 contaminant level above the legal limit, 3 public notice, recordkeeping or other, 2 required treatment not met, 2 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Consumer Confidence 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2022-09-01Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2020-03-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2016-05-14Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2014-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2008-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2008-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Tetrachloroethylenecode 2987YesResolved
2007-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Tetrachloroethylenecode 2987YesResolved
2007-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2007-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Tetrachloroethylenecode 2987YesResolved
2006-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2005-07-01Monitoring and reportingMonitoring, Regular · code 03Ethylbenzenecode 2992NoResolved

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.

Nikishka Bay: frequently asked questions

Who runs Nikishka Bay?

Nikishka Bay (PWSID AK2241020) is a community water system privately owned. It is regulated by the AK state drinking water program.

How many people does Nikishka Bay serve?

Nikishka Bay reports serving 470 people through 109 service connections in Kenai Peninsula Borough County, Alaska.

Where does Nikishka Bay 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 Nikishka Bay have any drinking water violations?

Of the 12 most recent violations in EPA's records, 6 are 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 Nikishka Bay'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, 6 are 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 Nikishka Bay's water quality report?

As a community water system, Nikishka Bay 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 Kenai Peninsula Borough County

Water systemCountyPopulation servedTypeSource
Homer Water SystemKenai Peninsula Borough7,008CommunitySurface water
Kenai Water SystemKenai Peninsula Borough5,700CommunityGroundwater
SoldotnaKenai Peninsula Borough4,807CommunityGroundwater
SewardKenai Peninsula Borough3,324CommunityGroundwater
Usnps Exit Glacier Nature CenterKenai Peninsula Borough1,500Transient non-communityGroundwater
Anchor Point Safe Water CorporationKenai Peninsula Borough1,000CommunityGroundwater

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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, “Nikishka Bay, PWSID AK2241020, Alaska”, https://aquacensus.com/water-systems/alaska/nikishka-bay-ak2241020 (data as of October 1, 2026).