Water Service Outages in Alaska by City
62% of Alaska's 407 community water systems have had at least one health-based EPA violation since 2015, one of the highest shares of any state.
Alaska drinking water record
Busiest year: 2024 (259 violations). Counted by the year the violation period began. Source: EPA SDWIS.
- Community water systems: 407 active systems serve about 700,160 people. 383 of them (94%) serve 3,300 people or fewer; 290 draw mainly on groundwater and 102 on surface water.
- Health-based violations since 2015: 2,213, at 252 systems (62% of all systems). That share is 4th highest of 50 states.
- Most common problems: contaminant averages over the limit (824); surface water treatment (545); uncorrected Ground Water Rule deficiencies (411). Source: EPA SDWIS
- Largest system: Moa Municipality of Anchorage, about 221,351 people, with 0 health-based violations since 2015. Source: EPA SDWIS
- Housing age: the median Alaska home was built in 1986 (US 1980). Source: US Census Bureau, ACS 2020–2024 (table B25035)
- Storm damage to water service: NOAA storm narratives mention water mains, boil water notices or lost water service in 13 episodes in Alaska since 2015. Source: NOAA Storm Events Database
- January 13, 2026, Prince Of Wales Island (high wind): “The Klawock Water Treatment Plant COOP station reported damaging wind at their 10am report on the 13th and their 7am report the following morning.” Source: NOAA Storm Events Database
- September 26, 2025, Prince Of Wales Island (high wind): “A lightning strike that morning disabled the automated system at the City of Klawock's water treatment plant.” Source: NOAA Storm Events Database
| System | People served | Main source | Health violations since 2015 |
|---|---|---|---|
| Moa Municipality of Anchorage | 221,351 | Surface water | 0 |
| Golden Heart Utilities | 78,324 | Groundwater | 0 |
| City And Borough of Juneau | 38,526 | Surface water | 0 |
| Jber-Elmendorf | 30,003 | Bought surface water | 0 |
| College Utilities Corporation | 27,000 | Bought groundwater | 0 |
| Doyon Utilities Jber - Richardson | 20,284 | Surface water | 0 |
Source: EPA SDWIS.
Alaska is 4th of 4 (1 = lowest share). Source: EPA SDWIS.
Checked September 2026.
Who to call in Alaska, city by city
3 Alaska cities on this site and the water utility for each. What to do while you wait is in our water service outage guide.
- Anchorage Anchorage Water & Wastewater Utility (AWWU)
- Fairbanks Golden Heart Utilities
- Juneau City and Borough of Juneau Utilities
Frequently asked questions
Is there a water service outage in Alaska right now?
Possibly: 1 report from Alaska on this site in the last 24 hours. Open your city to see where.
How many public water systems are in Alaska?
EPA records list 407 active community water systems in Alaska, serving about 700,160 people. 94% serve 3,300 people or fewer.
How common are drinking water violations in Alaska?
Since 2015, 252 of 407 community water systems in Alaska (62%) have had at least one health-based violation, 2,213 in total.
What is the largest water system in Alaska?
Moa Municipality of Anchorage, which EPA records list as serving about 221,351 people.
Report counts are user-submitted; other figures name their official source. How our data works
Cities in Alaska with Water Service Outages Information
Anchorage
no reports in the last 24 hours · pop. 291,247
Anchorage Water & Wastewater Utility (AWWU)
Fairbanks
1 report in the last 24 hours · pop. 32,424
Golden Heart Utilities
Juneau
no reports in the last 24 hours · pop. 32,113
City and Borough of Juneau Utilities