Hassayampa River near Arlington, AZ

River level and flood forecast · Maricopa County

Normal5.3 ftas of Tue 3 AM

The river is 11.7 ft below flood stage (17 ft).

Forecast to rise to 5.9 ft Tue 4 AM, below the 17 ft flood stage.

Flow: 19 cubic feet per second (USGS).

The last 7 days and the forecast

0510152025WedFriSunTueThuAction 15 ftFlood 17 ftModerate 20 ftMajor 25 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 5:24 PM. Forecasts change as rain falls and as upstream water arrives.

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Flood stages

Major flood stage25 ft
Moderate flood stage20 ft
Flood stage17 ft
Action stage15 ft
Record crest (February 12, 2005)13.82 ft

What floods at each level

From the National Weather Service, highest first.

  • 30 ftWater reaches the bottom of the State Route 80 bridge.
  • 25 ftFlooding of left bank bank agricultural areas and right bank farm structures begins.
  • 20 ftOverflow of the upper terrace occurs. Water will be contained upstream and downstream by levees.
  • 17 ftFlood Stage is reached.
  • 15 ftLowland inundation of the lower terrace occurs.

Highest crests on record

  1. 13.82 ft — February 12, 2005
  2. 12.5 ft — January 8, 1993
  3. 12.02 ft — February 14, 2003

Recent crests: 13.82 ft (February 12, 2005) · 12.02 ft (February 14, 2003) · 12.5 ft (January 8, 1993)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (HSTA3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.