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Alaska Water Assets

Pacific

Alaska holds the largest freshwater reserves in the US with vast glacial systems, permafrost groundwater, and over 3 million lakes.

Prior Appropriation31 counties tracked2095 active alerts
111,728
Total Assets
45.8
Avg WIS
50,291
Verified
0
High WIS (75+)

Alaska Water Intelligence Report

Hi3 Water tracks 111,728 water assets across Alaska, spanning 31 counties and 5 distinct asset types. The average Water Intelligence Score (WIS) across Alaska is 45.8/100, with 0 assets scoring in the high-value range (75+). Alaska operates under Prior Appropriation water law, which directly affects water rights acquisition and asset valuation in this state.

The dominant water asset type in Alaska is River (49,993 assets, avg WIS 45.0). The highest concentration is in Anchorage County with 6,491 tracked assets.

2,095 active regulatory alerts are currently tracked in Alaska, including EPA violations, drought declarations, and state water board enforcement actions. Always check the regulatory intelligence for any asset before making acquisition decisions.

Data sources: USGS Water Data, EPA ECHO, state water boards, and verified field reports. Water Intelligence Scores are computed across flow rate, geological stability, legal accessibility, sustainability, and rarity. Report last updated: June 29, 2026.

Asset Types in Alaska

Intelligence Grade Distribution

How Alaska assets are graded

S (≥90) — Exceptional0 (0.0%)
A (75-89) — Excellent0 (0.0%)
B (55-74) — Good6,410 (5.7%)
C (35-54) — Fair105,318 (94.3%)
D (<35) — Limited0 (0.0%)

Regulatory Alerts

Drought, EPA violations, and enforcement actions affecting Alaska

38
critical
34
high
2012
medium
11
low
0
info
TYEE LK OUTLET NR WRANGELL AK — Gage Height 1361.5 ft
usgs_flood · flood_warning
TAKU R NR JUNEAU AK — Gage Height 29.1 ft
usgs_flood · flood_warning
SALMON R NR HYDER AK — Gage Height 15.5 ft
usgs_flood · flood_warning

Top Counties in Alaska

Anchorage
6,491 assetsWIS 41
Kenai Peninsula
4,842 assetsWIS 42
Matanuska-Susitna
4,363 assetsWIS 41
Fairbanks North Star
2,539 assetsWIS 40
Juneau City and
493 assetsWIS 40
066
407 assetsWIS 41
Kodiak Island
229 assetsWIS 40
Dillingham
214 assetsWIS 40
063
115 assetsWIS 40
Southeast Fairbanks
112 assetsWIS 41
Yukon-Koyukuk
91 assetsWIS 40
Bethel
82 assetsWIS 40

Aquifer Type Mix

confined
616
Avg WIS 50
unconfined
498
Avg WIS 43

Top 10 Water Assets in Alaska

Ranked by Water Intelligence Score — Alaska's highest-scoring springs, wells, and aquifers.

View all on map
  1. 1

    Salmon Creek

    Reservoir
    ·363,553 GPM
    67
    WIS
  2. 2

    Nagishlamina River

    River
    ·1,926 GPM
    67
    WIS
  3. 3

    Nagishlamina River

    River
    ·1,905 GPM
    67
    WIS
  4. 4

    Blue Lake

    Reservoir
    ·6,283,634 GPM
    67
    WIS
  5. 5

    Nagishlamina River

    River
    ·1,866 GPM
    67
    WIS
  6. 6

    Green Lake

    Reservoir
    ·5,745,037 GPM
    67
    WIS
  7. 7

    Bradley Lake Spillway Dam

    Reservoir
    ·10,682,178 GPM
    67
    WIS
  8. 8

    Terror Lake

    Reservoir
    ·10,367,996 GPM
    67
    WIS
  9. 9

    Nagishlamina River

    River
    ·1,940 GPM
    67
    WIS
  10. 10

    Solomon Gulch

    Reservoir
    ·20,758,434 GPM
    67
    WIS
Avg Flow Rate
7,761 GPM
Avg Depth
126 ft
For Sale
0
Fossil Water
0

Explore Alaska on the Interactive Map

View all 111,728 water assets, aquifer boundaries, water rights data, and regulatory alerts for Alaska.