Public water system · AK2241648
ActiveNikolaevsk Community Water System
At a glance
Nikolaevsk Community Water System (PWSID AK2241648) is an active community water system in Kenai Peninsula Borough County, Alaska. It reports serving 360 people through 72 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
360
Service connections
72
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Nikolaevsk Community Water System compare with other water systems in Kenai Peninsula Borough County?
By EPA's size categories, Nikolaevsk Community Water System is a very small system (500 people or fewer). Kenai Peninsula Borough County has 205 active public water systems. Its population served is about 55% above the county average of 233 people per system, and accounts for 0.8% 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 Nikolaevsk Community Water 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 150 Alaska systems (11%) list surface water as their primary source.
Who owns and regulates Nikolaevsk Community Water System?
EPA lists Nikolaevsk Community Water System 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. 28 of the 205 active systems in Kenai Peninsula Borough County (14%) are also owned by a local government.
Does Nikolaevsk Community Water 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 February 2026. The violations listed here began between September 2025 and February 2026. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Surface Water Treatment Rule (6 of them). EPA lists 12 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-02-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2026-02-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Archived |
| 2026-01-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2026-01-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Archived |
| 2025-12-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2025-12-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Archived |
| 2025-11-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Archived |
| 2025-11-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2025-10-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Archived |
| 2025-10-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2025-09-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Archived |
| 2025-09-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
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.
Nikolaevsk Community Water System: frequently asked questions
Who runs Nikolaevsk Community Water System?
Nikolaevsk Community Water System (PWSID AK2241648) is a community water system owned by a local government. It is regulated by the AK state drinking water program.
How many people does Nikolaevsk Community Water System serve?
Nikolaevsk Community Water System reports serving 360 people through 72 service connections in Kenai Peninsula Borough County, Alaska.
Where does Nikolaevsk Community Water System get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Nikolaevsk Community Water 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 February 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 Nikolaevsk Community Water 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 February 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the AK state drinking water program.
Where can I find Nikolaevsk Community Water System's water quality report?
As a community water system, Nikolaevsk Community Water 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 Kenai Peninsula Borough County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Homer Water System | Kenai Peninsula Borough | 7,008 | Community | Surface water |
| Kenai Water System | Kenai Peninsula Borough | 5,700 | Community | Groundwater |
| Soldotna | Kenai Peninsula Borough | 4,807 | Community | Groundwater |
| Seward | Kenai Peninsula Borough | 3,324 | Community | Groundwater |
| Usnps Exit Glacier Nature Center | Kenai Peninsula Borough | 1,500 | Transient non-community | Groundwater |
| Anchor Point Safe Water Corporation | Kenai Peninsula Borough | 1,000 | 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, “Nikolaevsk Community Water System, PWSID AK2241648, Alaska”, https://aquacensus.com/water-systems/alaska/nikolaevsk-community-water-system-ak2241648 (data as of October 1, 2026).