STATE REPORT
AK
6 ALERTS
138 HEALTH VIOLATIONS
Alaska Water Quality & Safety Report
40 ZIP codes · 80 water systems · UPC plumbing code · Updated 2026-03-16
Data: EPA SDWIS, NWS, State plumbing boards, Rewiring America Last verified: 2026-03-16
40
ZIP Codes
80
Water Systems
35
ZIPs with Violations
6
Active Alerts
UPC
Plumbing Code
Overview
We track water quality, weather alerts, plumbing regulations, and energy rebates for 40 ZIP codes across Alaska, covering 80 community water systems that serve approximately 426,202 people.
35 of 40 ZIP codes (88%) have recorded EPA violations. 138 health-based violations have been documented.
Active Weather Alerts
6 active alerts in Alaska including 6 warnings. Severe weather can directly affect tap water quality — flooding, power outages, and infrastructure damage may lead to boil-water advisories.
| Alert | Severity | Areas |
|---|---|---|
| Winter Storm Warning | Severe | Southern Denali Borough; Eastern Alaska Range South of Tr… |
| Winter Storm Warning | Severe | Municipality of Skagway; Haines Borough and Klukwan; Glac… |
| Winter Storm Warning | Severe | City of Hyder |
| Winter Storm Warning | Severe | Admiralty Island |
| Winter Storm Warning | Severe | Petersburg Borough |
Plumbing Regulations
Alaska follows the Uniform Plumbing Code (2018/2021 edition).
- Plumbing code: UPC (2018/2021)
- Homeowner DIY: Licensed plumber required
- Water heater permit: Required
- Annual backflow test: Required
- Seismic strapping: Required
Areas with Most Violations
| ZIP Code | City | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|---|
| 99554 | Alakanuk | — | 423 | 6 | ALAKANUK WATER SYSTEM |
| 99545 | Kongiganak | — | 353 | 8 | KONGIGANAK WATER SYSTEM |
| 99581 | Emmonak | — | 346 | 32 | EMMONAK WATER SYSTEM |
| 99578 | Eek | — | 315 | 3 | EEK WATER SYSTEM |
| 99576 | Dillingham | — | 299 | 1 | DILLINGHAM WATER SYSTEM |
| 99501 | Anchorage | — | 263 | 0 | MOA MUNICIPALITY OF ANCHORAGE |
| 99589 | Goodnews Bay | — | 238 | 0 | GOODNEWS BAY |
| 99561 | Chefornak | — | 203 | 7 | CHEFORNAK WATER SYSTEM |
| 99567 | Chugiak | — | 187 | 2 | FOREST PARK TC |
| 99575 | Crooked Creek | — | 173 | 0 | CROOKED CREEK WATERING POINT |
Areas with No Violations
| ZIP Code | City | Safety Score | System | Population |
|---|---|---|---|---|
| 99505 | Jber | — | JBER-ELMENDORF | 30,003 |
| 99553 | Akutan | — | AKUTAN | 95 |
| 99565 | Chignik Lagoon | — | CHIGNIK LAGOON WATER SYSTEM | 273 |
| 99585 | Marshall | — | MARSHALL WATER SYSTEM | 308 |
| 99590 | Grayling | — | GRAYLING WATER SYSTEM | 207 |
Lead & Copper
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
- High risk (Zone 1): 0 ZIP codes (0%)
- Moderate risk (Zone 2): 0 ZIP codes
- Low risk (Zone 3): 0 ZIP codes
All 40 ZIP Codes in Alaska
- 99546 (Adak) — 94 violations ⚠
- 99551 (Akiachak) — 78 violations
- 99552 (Akiak) — 15 violations
- 99553 (Akutan)
- 99554 (Alakanuk) — 423 violations ⚠
- 99556 (Anchor Point) — 9 violations
- 99501 (Anchorage) — 263 violations
- 99558 (Anvik) — 167 violations ⚠
- 99547 (Atka) — 133 violations ⚠
- 99559 (Bethel) — 125 violations ⚠
- 99561 (Chefornak) — 203 violations ⚠
- 99563 (Chevak) — 35 violations ⚠
- 99565 (Chignik Lagoon)
- 99548 (Chignik Lake) — 97 violations
- 99567 (Chugiak) — 187 violations ⚠
- 99569 (Clarks Point) — 30 violations ⚠
- 99571 (Cold Bay) — 4 violations
- 99573 (Copper Center) — 19 violations
- 99574 (Cordova) — 15 violations
- 99575 (Crooked Creek) — 173 violations
- 99576 (Dillingham) — 299 violations ⚠
- 99577 (Eagle River) — 16 violations
- 99578 (Eek) — 315 violations ⚠
- 99579 (Egegik) — 9 violations ⚠
- 99581 (Emmonak) — 346 violations ⚠
- 99701 (Fairbanks) — 8 violations
- 99583 (False Pass) — 18 violations ⚠
- 99587 (Girdwood) — 3 violations
- 99588 (Glennallen) — 4 violations ⚠
- 99589 (Goodnews Bay) — 238 violations
- 99590 (Grayling)
- 99505 (Jber)
- 99801 (Juneau) — 1 violation
- 99901 (Ketchikan) — 82 violations ⚠
- 99615 (Kodiak) — 41 violations ⚠
- 99545 (Kongiganak) — 353 violations ⚠
- 99585 (Marshall)
- 99550 (Port Lions) — 81 violations ⚠
- 99779 (Tok) — 29 violations
- 99623 (Wasilla) — 4 violations
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Weather alerts: National Weather Service (NWS)
- Regulations: State plumbing boards, ICC, IAPMO
- Rebates: Rewiring America
Updated daily.