Shunganunga Creek at Topeka Gage Blvd, KS

River level and flood forecast · Shawnee County

Normal4.7 ftas of Mon 3 PM

The river is 10.3 ft below flood stage (15 ft).

The last 7 days and the forecast

05101520TueWedThuFriSatSunMonAction 9 ftFlood 15 ftModerate 18.2 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage23 ft
Moderate flood stage18.2 ft
Flood stage15 ft
Action stage9 ft
Record crest (July 30, 2020)19.7 ft

What floods at each level

From the National Weather Service, highest first.

  • 19.8 ftFlood waters reach the base of homes on the south side of the Shunganunga Creek west of Gage Boulevard.
  • 19.3 ftFlood waters reach the bridge deck of the Gage Boulevard bridge.
  • 18.95 ftSidewalk just north of the Gage Boulevard bridge on the west side floods.
  • 18.18 ftCorner of Shunga Drive and Gage Boulevard floods.
  • 16.52 ftWater flows over the left downstream bank of the Shunganunga Creek east of the Gage Boulevard bridge.
  • 15 ftMinor flooding along the Shunganunga Creek occurs west and east of Gage Boulevard. The Shunga Path is inundated for several hundred yards west and east of the Gage Boulevard bridge.
  • 10 ftShunga path under the gage boulevard bridge floods.

Highest crests on record

  1. 19.7 ft — July 30, 2020
  2. 15.59 ft — May 17, 2022
  3. 15.53 ft — September 7, 2015
  4. 15.47 ft — August 17, 2019
  5. 12.69 ft — July 13, 2017

Recent crests: 12.5 ft (February 27, 2023) · 15.59 ft (May 17, 2022) · 12.12 ft (May 9, 2021) · 19.7 ft (July 30, 2020) · 15.47 ft (August 17, 2019)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (SGBK1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.