Scioto River at Prospect, OH

River level and flood forecast · Delaware County

Normal1.5 ftas of Mon 2 PM

The river is 10.5 ft below flood stage (12 ft).

Flow: 61 cubic feet per second (USGS).

The last 7 days and the forecast

051015TueWedThuFriSatSunMonAction 8 ftFlood 12 ftModerate 13.5 ftMajor 15 ftNowObserved (ft)NWS forecast

NWS forecast issued Thu, Sep 24, 9:59 AM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage15 ft
Moderate flood stage13.5 ft
Flood stage12 ft
Action stage8 ft
Record crest (March 25, 1913)21.1 ft

What floods at each level

From the National Weather Service, highest first.

  • 22 ftFEMA 0.2 percent flood level. Comparable to the 1913 flood of record. Devastating flooding to Prospect and communities north.
  • 20 ftFloodwaters inundate most of northern, western, and southern Prospect.
  • 19.5 ftFEMA 1 percent flood level.
  • 18 ftFlood waters threatens the Route 47 bridge with widespread flooding along northern parts of town west of 5th Street. Flood waters threaten Main Street in downtown Prospect. Many roads in and out of town are inundated. Homes in northern Deleware County are inundated along Route 257 north.
  • 15 ftWidespread flooding occurs northern parts of Prospect. The most significant flooding occurs on north Elm Street, Northeast Street, Sellers Street, and Mulberry Street. Both River Road and Route 257 north of Route 36 are impassable with water several feet deep in areas. Homes become inundated.
  • 14 ftLong stretches of both River Road and Route 257 are flooded in northwest Deleware county, from near Route 36 to the Marion County line.
  • 13.5 ftFlooding occurs along several streets north of Market Street including North Elm Street, Northeast Street, Sellers Street, and Mulberry Street. Extensive crop flooding. Highway 203 is covered with flood waters for 2 miles.
  • 13 ftWater covers large stretches of River Road and portions of Route 257 north of Route 36 in northwest Delaware county.
  • 12 ftHighway 203 inaccessible north of Prospect. In Prospect, Elm, West River, Prospect, and Upper Sandusky Roads are flood. Water covers portions of River Road north of Hoskins Road in northwest Deleware County. Lowland flooding also begins along State Route 257 north of Route 36.
  • 10 ftHighway 203 is inaccessible north of Prospect. Flooding occurs near Elm Street in northern parts of Prospect.
  • 9 ftWater inundates low portions of Highway 203 north of Prospect.

Highest crests on record

  1. 21.1 ft — March 25, 1913
  2. 15.3 ft — January 21, 1959
  3. 15.14 ft — March 7, 1963
  4. 14.31 ft — June 20, 2019
  5. 14.3 ft — July 5, 1987

Recent crests: 13.16 ft (April 5, 2025) · 12.78 ft (April 5, 2024) · 11.99 ft (February 20, 2022) · 14.31 ft (June 20, 2019) · 12.12 ft (November 5, 2018)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (PRGO1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.