Public water system · AK2250011
ActiveKodiak Water System
At a glance
Kodiak Water System (PWSID AK2250011) is an active community water system in Kodiak Island Borough County, Alaska. It reports serving 9,547 people through 2,532 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 July 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
9,547
Service connections
2,532
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Kodiak Water System compare with other water systems in Kodiak Island Borough County?
By EPA's size categories, Kodiak Water System is a medium system (3,301 to 10,000 people). Kodiak Island Borough County has 15 active public water systems, and Kodiak Water System is the largest of them by population served. Its population served is about 10 times the county average of 940 people per system, and accounts for 68% of the 14,105 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 Kodiak Water System is about 42% 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. 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 Kodiak Water System?
EPA lists Kodiak 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. 2 of the 15 active systems in Kodiak Island Borough County (13%) are also owned by a local government.
Does Kodiak 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 July 2016. The violations listed here began between October 1999 and July 2016. By type: 10 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 8 as resolved and 4 as archived. 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. 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 |
|---|---|---|---|---|
| 2016-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2016-04-01 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2013-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2013-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2011-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Archived |
| 2009-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Archived |
| 2003-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2002-04-02 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2002-02-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2001-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1999-10-19 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | 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.
Kodiak Water System: frequently asked questions
Who runs Kodiak Water System?
Kodiak Water System (PWSID AK2250011) is a community water system owned by a local government. It is regulated by the AK state drinking water program.
How many people does Kodiak Water System serve?
Kodiak Water System reports serving 9,547 people through 2,532 service connections in Kodiak Island Borough County, Alaska.
Where does Kodiak 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 Kodiak 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 July 2016. 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 Kodiak 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 July 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the AK state drinking water program.
Where can I find Kodiak Water System's water quality report?
As a community water system, Kodiak 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 Kodiak Island Borough County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Uscg Station Kodiak | Kodiak Island Borough | 3,092 | Community | Surface water |
| Larsen Bay Water System | Kodiak Island Borough | 271 | Community | Surface water |
| Old Harbor | Kodiak Island Borough | 246 | Community | Surface water |
| Port Lions | Kodiak Island Borough | 175 | Community | Surface water |
| Bells Flats | Kodiak Island Borough | 150 | Transient non-community | Groundwater |
| Ouzinkie Water System | Kodiak Island Borough | 144 | Community | Surface water |
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, “Kodiak Water System, PWSID AK2250011, Alaska”, https://aquacensus.com/water-systems/alaska/kodiak-water-system-ak2250011 (data as of October 1, 2026).