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

ZIP Codes

Water Systems

ZIPs with Violations

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

View all Alaska alerts →

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

Full Alaska regulations →

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.

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