Official EPA SDWIS Statewide AnalysisState Water Quality & Testing Directory

Alaska Drinking Water Quality & Testing Directory

Comprehensive EPA compliance records, water testing guidelines, and city rankings covering all 274 ZIP codes across Alaska

Quick Summary: Is Tap Water Safe in Alaska?

Drinking water in Alaska receives an average composite safety score of 74.8/100 based on EPA Safe Drinking Water Act records. Approximately 32% of monitored ZIP codes earn an "A" grade. Water sources are 51.8% surface water and 48.2% groundwater, resulting in Hard to Very Hard mineral hardness across the state.

Total ZIP Codes

274

Health Violations (5yr)

1,173

Statewide Avg Score

74.8/100

High Lead Risk Areas

24.5%

Overview: Drinking Water in Alaska

Drinking water quality in Alaska averages a composite safety score of 74.8/100 across its 274 monitored ZIP codes. Approximately 32% of ZIP codes in the state receive an "A" grade, while 1% receive an "F" grade. Environmental standards are enforced by Alaska Department of Environmental Conservation.

Surface Water

51.8%

of ZIP codes

Total Violations

14,004

5-year record

Grade A ZIPs

32% of state

Grade F ZIPs

1% of state

Water Quality Grade Distribution in Alaska

How do Alaska's 274 ZIP codes stack up by water quality grade?

87 ZIP codes32%

89 ZIP codes32%

44 ZIP codes16%

51 ZIP codes19%

3 ZIP codes1%

City A-Z Directory — Alaska

Browse water quality reports for every town and city in Alaska.

Adak Akiachak Akiak Akutan Alakanuk Aleknagik Allakaket Ambler Anaktuvuk Pass Anchor Point Anchorage Anderson Angoon Aniak Anvik Arctic Village Atka Atqasuk Auke Bay

Barrow Beaver Bethel Bettles Field Big Lake Brevig Mission Buckland

Deering Delta Junction Denali National Park Dillingham Douglas Dutch Harbor

Eagle Eagle River Eek Egegik Eielson Afb Ekwok Elfin Cove Elim Emmonak Ester

Fairbanks False Pass Fort Greely Fort Wainwright Fort Yukon

Gakona Galena Gambell Girdwood Glennallen Goodnews Bay Grayling Gustavus

Haines Healy Holy Cross Homer Hoonah Hooper Bay Hope Houston Hughes Huslia Hydaburg Hyder

Iliamna Indian

Jber Juneau

Kake Kaktovik Kalskag Kaltag Karluk Kasigluk Kasilof Kenai Ketchikan Kiana King Cove King Salmon Kipnuk Kivalina Klawock Kobuk Kodiak Kongiganak Kotlik Kotzebue Koyuk Koyukuk Kwethluk Kwigillingok

Lake Minchumina Larsen Bay Levelock Lower Kalskag

Manley Hot Springs Manokotak Marshall Mc Grath Mekoryuk Metlakatla Meyers Chuck Minto Moose Pass Mountain Village

Naknek Napakiak Nenana New Stuyahok Nightmute Nikiski Nikolai Nikolski Ninilchik Noatak Nome Nondalton Noorvik North Pole Northway Nuiqsut Nulato Nunam Iqua Nunapitchuk

Old Harbor Ouzinkie

Palmer Pedro Bay Pelican Perryville Petersburg Pilot Point Pilot Station Platinum Point Baker Point Hope Point Lay Port Alexander Port Alsworth Port Heiden Port Lions Prudhoe Bay

Quinhagak

Rampart Red Devil Ruby Russian Mission

Takotna Talkeetna Tanacross Tanana Tatitlek Teller Tenakee Springs Thorne Bay Togiak Tok Toksook Bay Trapper Creek Tuluksak Tuntutuliak Tununak Two Rivers Tyonek

Unalakleet Unalaska

Valdez Venetie

Wainwright Wales Ward Cove Wasilla White Mountain Whittier Willow Wrangell

Yakutat

🏆 Highest Rated ZIP Codes in Alaska

⚠ Lowest Rated ZIP Codes in Alaska

Common Drinking Water Contaminants in Alaska

The following are common regulated contaminants found in Alaska drinking water based on EPA violation records. Click any contaminant to learn about EPA safety limits and health effects.

Contaminant 0700E. coliStage 2 DBP RuleFecal ColiformChloriteTotal Trihalomethanes (TTHM)Haloacetic Acids (HAA5)Consumer Confidence Report Rule

Source: EPA Safe Drinking Water Act Maximum Contaminant Level regulations. For the complete list of regulated contaminants and MCLs, see the Water Quality Safety Guide.

Frequently Asked Questions — Alaska Drinking Water

Is tap water generally safe to drink in Alaska?+

Yes, for the majority of residents, tap water in Alaska is treated and regulated. However, compliance varies by city. State-wide, 87 ZIP codes receive an "A" grade, while 3 receive an "F". Search your specific ZIP code to see your local utility's record.

How do I test water quality or well water in Alaska?+

Residents in Alaska can test their tap or well water by contacting laboratories certified by Alaska Department of Environmental Conservation or ordering an EPA-standard laboratory water testing kit. Annual testing is recommended for private wells to test for bacteria, nitrates, and heavy metals.

What are the biggest water quality issues in Alaska?+

The primary issues include managing 1,173 health-based violations state-wide and resolving infrastructure age. 24.5% of ZIP codes in the state have a high probability of lead exposure risk due to pre-1986 piping.

Who regulates and enforces drinking water standards in Alaska?+

Drinking water in Alaska is regulated by Alaska Department of Environmental Conservation under a primacy agreement with the U.S. EPA.

Where does Alaska get its drinking water?+

Approximately 51.8% of monitored areas in Alaska rely on surface water sources (lakes/rivers), while the rest use groundwater aquifers.

How do I find the official water quality report for my home in Alaska?+

Search your ZIP code on our site to view data compiled from EPA records, or contact your local utility for their annual Consumer Confidence Report (CCR).

View All 274 ZIP Codes in Alaska

Browse EPA water quality data for every monitored ZIP code. For faster results, use the search bar above.

99501 99502 99503 99504 99505 99506 99507 99508 99509 99510 99511 99513 99514 99515 99516 99517 99518 99519 99520 99521 99522 99523 99524 99529 99530 99540 99545 99546 99547 99548 99549 99550 99551 99552 99553 99554 99555 99556 99557 99558 99559 99561 99563 99564 99565 99566 99567 99568 99569 99571 99572 99573 99574 99575 99576 99577 99578 99579 99580 99581 99583 99585 99586 99587 99588 99589 99590 99591 99599 99602 99603 99604 99605 99606 99607 99608 99609 99610 99611 99612 99613 99614 99615 99619 99620 99621 99622 99623 99624 99625 99626 99627 99628 99629 99630 99631 99632 99633 99634 99635 99636 99637 99638 99639 99640 99641 99643 99644 99645 99647 99648 99649 99650 99651 99652 99653 99654 99655 99656 99657 99658 99659 99660 99661 99662 99663 99664 99665 99666 99667 99668 99669 99670 99671 99672 99674 99675 99676 99677 99678 99679 99680 99681 99682 99683 99684 99685 99686 99687 99688 99689 99690 99691 99692 99693 99694 99695 99697 99701 99702 99703 99704 99705 99706 99707 99708 99709 99710 99711 99712 99714 99716 99720 99721 99722 99723 99724 99725 99726 99727 99729 99730 99731 99732 99733 99734 99736 99737 99738 99739 99740 99741 99742 99743 99744 99745 99746 99747 99748 99749 99750 99751 99752 99753 99754 99755 99756 99757 99758 99759 99760 99761 99762 99763 99764 99765 99766 99767 99768 99769 99770 99771 99772 99773 99774 99775 99776 99777 99778 99779 99780 99781 99782 99783 99784 99785 99786 99788 99789 99790 99791 99801 99802 99803 99811 99812 99820 99821 99824 99825 99826 99827 99829 99830 99832 99833 99835 99836 99840 99841 99850 99901 99903 99918 99919 99921 99922 99923 99925 99926 99927 99928 99929 99950

All 274 ZIP codes in Alaska are actively monitored under the EPA Safe Drinking Water Act.

Alaska Drinking Water Quality & Testing Directory

Overview: Drinking Water in Alaska

Water Quality Grade Distribution in Alaska

Popular Cities in Alaska

City A-Z Directory — Alaska

🏆 Highest Rated ZIP Codes in Alaska

⚠ Lowest Rated ZIP Codes in Alaska

Common Drinking Water Contaminants in Alaska

Frequently Asked Questions — Alaska Drinking Water