Maquoketa River at Manchester Hwy 20, IA

River level and flood forecast · Delaware County

Normal5.1 ftas of Mon 2:15 PM

The river is 8.9 ft below flood stage (14 ft).

Flow: 384 cubic feet per second (USGS).

The last 7 days and the forecast

05101520TueWedThuFriSatSunMonAction 12 ftFlood 14 ftModerate 17 ftMajor 20 ftNowObserved (ft)NWS forecast

NWS forecast issued Sat, Sep 19, 9:34 AM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage20 ft
Moderate flood stage17 ft
Flood stage14 ft
Action stage12 ft
Record crest (July 24, 2010)24.48 ft

What floods at each level

From the National Weather Service, highest first.

  • 28 ftWater reaches the bottom of the U.S. Highway 20 bridges.
  • 19 ftWater affects businesses along W Main Street.
  • 17 ftWest Main Street and State Highway 13 is closed in Manchester.
  • 16.5 ftWater is on River Street and Main Street in Manchester.
  • 15.7 ftWater is on Schram Drive leading to Schram Park in Manchester.
  • 14 ftWater affects West Main Street. Water also affects residences on the south side of town.
  • 12.5 ftWater affects the campgrounds at lower Bailey's Ford Park.

Highest crests on record

  1. 24.48 ft — July 24, 2010
  2. 21.66 ft — May 23, 2004
  3. 20.8 ft — May 26, 2008
  4. 20.5 ft — June 9, 2008
  5. 20.34 ft — September 23, 2016

Recent crests: 17.57 ft (March 14, 2019) · 20.34 ft (September 23, 2016) · 16.09 ft (June 20, 2014) · 19.31 ft (May 30, 2013) · 24.48 ft (July 24, 2010)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MCHI4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.