Public water system · AK2120232
ActiveKetchikan Public Utilities
At a glance
Ketchikan Public Utilities (PWSID AK2120232) is an active community water system in Ketchikan Gateway Borough County, Alaska. It reports serving 8,937 people through 2,783 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, 9 are health-based, and the most recent began in October 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
8,937
Service connections
2,783
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Ketchikan Public Utilities compare with other water systems in Ketchikan Gateway Borough County?
By EPA's size categories, Ketchikan Public Utilities is a medium system (3,301 to 10,000 people). Ketchikan Gateway Borough County has 22 active public water systems, and Ketchikan Public Utilities is the largest of them by population served. Its population served is about 16 times the county average of 560 people per system, and accounts for 73% of the 12,315 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 Ketchikan Public Utilities is about 33% 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 Ketchikan Public Utilities?
EPA lists Ketchikan Public Utilities 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. 5 of the 22 active systems in Ketchikan Gateway Borough County (23%) are also owned by a local government.
Does Ketchikan Public Utilities have drinking water violations?
Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in October 2016. The violations listed here began between July 2013 and October 2016. By type: 9 contaminant level above the legal limit and 3 monitoring and reporting. The contaminant or rule involved most often is Haloacetic acids (HAA5) (12 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2016-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2016-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2016-03-31 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2016-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2015-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2015-06-30 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2015-04-01 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2015-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2014-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2014-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2014-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2013-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | 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.
Ketchikan Public Utilities: frequently asked questions
Who runs Ketchikan Public Utilities?
Ketchikan Public Utilities (PWSID AK2120232) is a community water system owned by a local government. It is regulated by the AK state drinking water program.
How many people does Ketchikan Public Utilities serve?
Ketchikan Public Utilities reports serving 8,937 people through 2,783 service connections in Ketchikan Gateway Borough County, Alaska.
Where does Ketchikan Public Utilities 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 Ketchikan Public Utilities have any drinking water violations?
Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in October 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 Ketchikan Public Utilities' 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, 9 are health-based, and the most recent began in October 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 Ketchikan Public Utilities' water quality report?
As a community water system, Ketchikan Public Utilities 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 Ketchikan Gateway Borough County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| South Tongass Water Utility | Ketchikan Gateway Borough | 975 | Community | Surface water |
| Saxman | Ketchikan Gateway Borough | 450 | Community | Surface water |
| Point Higgins Elementary School | Ketchikan Gateway Borough | 300 | Non-transient non-community | Groundwater |
| Knudson Cove Marina | Ketchikan Gateway Borough | 233 | Transient non-community | Groundwater |
| Vallenar View Mobile Home Park | Ketchikan Gateway Borough | 225 | Community | Surface water |
| Waterfall Resort | Ketchikan Gateway Borough | 168 | Transient non-community | Surface water |
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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, “Ketchikan Public Utilities, PWSID AK2120232, Alaska”, https://aquacensus.com/water-systems/alaska/ketchikan-public-utilities-ak2120232 (data as of October 1, 2026).