Rivers in Alaska

Iliamna River near Pedro Bay

Lake and Peninsula County, AlaskaNWS ILRA2USGS 15300300Anchorage office

Below flood stage
58.32ftStage

Observed Tue, Sep 22, 2:30 PM UTC

Flood stage
71.00 ft
Forecast crest
58.48 ftTue, Sep 22, 6:00 PM UTC
Record crest
78.42 ft2003

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Moderate flood75.00 ft
Minor flood71.00 ft
Action64.00 ft
  1. 64.00 ftAt this level, water begins to flow over the Pile Bay-Williamsport road.

Crest history

19 crests on NOAA’s list since 1996.

#DateStage
1October 1, 200378.42 ft
2June 8, 199871.82 ft
3September 21, 201671.53 ft
4September 18, 199971.16 ft
5November 6, 200270.93 ft
6October 13, 201370.48 ft
7September 22, 201269.99 ft
8October 10, 200969.69 ft
9July 19, 200169.44 ft
10August 2, 200069.20 ft
11September 13, 200868.52 ft
12July 29, 200968.28 ft
13August 7, 201368.07 ft
14September 9, 199767.86 ft
15June 10, 200667.05 ft
16July 7, 201566.33 ft
17September 15, 201165.85 ft
18October 4, 200464.92 ft
19June 26, 199663.98 ft

Most recent crests

  • September 21, 2016: 71.53 ft
  • July 7, 2015: 66.33 ft
  • October 13, 2013: 70.48 ft
  • August 7, 2013: 68.07 ft
  • September 22, 2012: 69.99 ft
  • September 15, 2011: 65.85 ft
  • October 10, 2009: 69.69 ft
  • July 29, 2009: 68.28 ft
  • September 13, 2008: 68.52 ft
  • June 10, 2006: 67.05 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Alaska Pacific River Forecast Center. Forecasts are issued routinely during the warm season, and as needed at other times of the year. Stage may be affected by ice.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.