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Eyak River at Copper River Hwy near Cordova

Highest listed crest 28.07 ftFlood stage 24.5 ft10 crests since 2006

The Eyak River at Copper River Hwy near Cordova crested above flood stage 3 times among the 10 crests the National Weather Service lists from 2006 to 2021. The highest, 28.07 ft on October 10, 2006, was moderate flooding, 3.57 feet above flood stage. 1 other gauge on the Eyak River crested above flood stage within a week of it, 1 at its own highest listed crest.

The gauge

Highest listed crest
28.07 ft
October 10, 2006
Flood stage
24.5 ft
No major stage set
Crests at major
0
3 above flood stage
Most recent flood crest
September 17, 2012
25.05 ft, minor flooding
Location
Chugach Census Area
Alaska
Identifiers
NWS EYAA2
No USGS station

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Eyak River at Copper River Hwy near Cordova
Action stage23.54Aug 30, 2017The level at which the NWS or its partners begin to take action
Flood stage (minor)24.51Sep 17, 2012Minimal or no property damage, but possibly some public threat
Moderate flood stage25.52Oct 10, 2006Some inundation of structures and roads near the stream

Every listed crest

10 crests from 2006 to 2021. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Eyak River at Copper River Hwy near Cordova, 2006 to 2021 202224262830ft Flood stage 24.5 ft Aug 20, 2006: 25.95 ft, moderate floodingOct 10, 2006: 28.07 ft, moderate floodingSep 15, 2008: 22.97 ft, below flood stageSep 7, 2011: 22.78 ft, below flood stageSep 17, 2012: 25.05 ft, minor floodingSep 14, 2014: 24.08 ft, action stageSep 29, 2015: 23.92 ft, action stageAug 8, 2016: 23.91 ft, action stageAug 30, 2017: 24.27 ft, action stageAug 28, 2021: 21.90 ft, below flood stage Highest, 28.07 ft, Oct 10, 2006 201020152020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Eyak River at Copper River Hwy near Cordova 2000s: 2 2 2010s: 1 2020s: 0 2000s2010s2020s
  1. These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
  2. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Eyak River at Copper River Hwy near Cordova
1Oct 10, 200628.07+3.57Moderate—
2Aug 20, 200625.95+1.45Moderate—
3Sep 17, 201225.05+0.55Minor—
4Aug 30, 201724.27−0.23Action—
5Sep 14, 201424.08−0.42Action—
6Sep 29, 201523.92−0.58Action—
7Aug 8, 201623.91−0.59Action—
8Sep 15, 200822.97−1.53Below flood stage—
9Sep 7, 201122.78−1.72Below flood stage—
10Aug 28, 202121.90−2.60Below flood stage—

The worst floods along the Eyak River

For this gauge's highest crests, the other gauges on the Eyak River that crested above flood stage within a week.

October 10, 2006: 28.07 ft here, moderate flooding

  • CordovaAK · Oct 10, 2006 · 9.99 ft · Moderate · its highest

September 17, 2012: 25.05 ft here, minor flooding

  • CordovaAK · Sep 17, 2012 · 7.51 ft · Minor

Gauges on the Eyak River

Flood gauges sharing the river's name, linked within 80 miles of one another.

Flood gauges on the Eyak River
Copper River Hwy near Cordova this gaugeAK24.528.07 ft, Oct 10, 20060
CordovaAK7.09.99 ft, Oct 10, 20060

Other gauges in Chugach Census Area

Flood gauges in Chugach Census Area
Eyak Lake near Cordova4.08.62 ft, Oct 10, 20063
Cordova7.09.99 ft, Oct 10, 20060
Top of Falls near Valdez16.517.07 ft, Aug 29, 20170

Chugach Census Area: every hazard · River floods across the country · Alaska

NOAA National Water Prediction Service, gauge EYAA2, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.