Bill Williams River at Alamo Lake, AZ

River level and flood forecast · La Paz County

Normal1098.7 ftas of Tue 3 AM

The river is 136.3 ft below flood stage (1235 ft).

Flow: 13 cubic feet per second (USGS).

The last 7 days and the forecast

105011001150120012501300WedThuFriSatSunMonTueAction 1235 ftFlood 1235 ftMajor 1265 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Jan 1, 12 AM. Forecasts change as rain falls and as upstream water arrives.

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Flood stages

Major flood stage1265 ft
Flood stage1235 ft
Action stage1235 ft
Record crest (February 7, 1937)46 ft

What floods at each level

From the National Weather Service, highest first.

  • 1265 ftWater reaches the embankment crest elevation at the top of the dam. The dam crest length is 283 feet.
  • 1235 ftWater reaches the spillway crest elevation. Crest length is 284 feet.

Highest crests on record

  1. 46 ft — February 7, 1937
  2. 39.6 ft — September 6, 1939
  3. 30.8 ft — August 29, 1951
  4. 23 ft — March 14, 1941
  5. 22.5 ft — March 2, 1941

Recent crests: 30.8 ft (August 29, 1951) · 23 ft (March 14, 1941) · 22.5 ft (March 2, 1941) · 39.6 ft (September 6, 1939) · 46 ft (February 7, 1937)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (ALMA3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.