PlainWater
States

Alaska Water Quality

1,326 public water systems serving 862,218 people.

Water Systems
1,326
Total Violations
267,144
Violation Rate
97.9%
PFAS Detection
33.3%
10 of 30 tested

Largest Water Systems

Most Violations

Counties in Alaska

Anchorage Municipality
156 systems · 305,331 served · 22,461 violations
Fairbanks North Star Borough
65 systems · 160,456 served · 6,815 violations
Matanuska-Susitna Borough
345 systems · 91,419 served · 20,535 violations
Kenai Peninsula Borough
201 systems · 47,039 served · 23,648 violations
Juneau City and Borough
11 systems · 40,575 served · 2,414 violations
North Slope Borough
78 systems · 28,722 served · 5,005 violations
Denali Borough
56 systems · 18,777 served · 2,545 violations
Bethel Census Area
57 systems · 18,253 served · 35,961 violations
County AK130
28 systems · 15,797 served · 9,191 violations
Valdez-Cordova Census Area
53 systems · 14,940 served · 11,666 violations
County AK230
13 systems · 14,199 served · 3,732 violations
Kodiak Island Borough
15 systems · 14,105 served · 10,789 violations
Aleutians West Census Area
8 systems · 10,909 served · 6,431 violations
Southeast Fairbanks Census Area
62 systems · 10,527 served · 7,312 violations
Nome Census Area
17 systems · 10,325 served · 18,055 violations
Sitka City and Borough
3 systems · 9,645 served · 934 violations
Northwest Arctic Borough
16 systems · 8,887 served · 11,683 violations
Wade Hampton Census Area
13 systems · 7,639 served · 13,488 violations
Dillingham Census Area
24 systems · 6,913 served · 10,869 violations
Yukon-Koyukuk Census Area
36 systems · 6,187 served · 22,873 violations
County AK275
3 systems · 5,933 served · 1,246 violations
Bristol Bay Borough
30 systems · 5,169 served · 3,437 violations
Aleutians East Borough
8 systems · 4,402 served · 4,617 violations
Haines Borough
5 systems · 2,798 served · 768 violations
Lake and Peninsula Borough
16 systems · 2,235 served · 9,945 violations
Yakutat City and Borough
3 systems · 833 served · 626 violations