Kokosing River at Mt Vernon, OH
River level and flood forecast · Knox County
Normal2.5 ftas of Mon 4:15 PM
The river is 11.5 ft below flood stage (14 ft).
Flow: 53 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Wed, Sep 16, 12:48 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 17 ft |
| Moderate flood stage | 14.5 ft |
| Flood stage | 14 ft |
| Action stage | 11 ft |
| Record crest (January 21, 1959) | 18.19 ft |
What floods at each level
From the National Weather Service, highest first.
- 18 ftFEMA 0.2 percent flood level.
- 17 ftMajor flooding will occur from Howard Street to Greenwood Avenue and along Division, Butler and Kirk Streets.
- 15.5 ftSignificant flooding can be expected along Mt. Vernon and Maplewood Avenues and from Cherry to Maple Streets. Also flooding will occur along Center, Curtis and Adams Runs.
- 14.5 ftLevee breached siginificant flooding along area roads including Mt. Vernon, Maplewood Avenue, Cherry to Maple. Backwater flooding along Center Run, Curtis Run and Adams Run.
- 14 ftFEMA 1 percent flood level. River approaching top of levee system.
Highest crests on record
- 18.19 ft — January 21, 1959
- 14.82 ft — June 29, 1998
- 13.85 ft — February 28, 2011
- 13.52 ft — November 19, 2017
- 13.08 ft — March 10, 1964
Recent crests: 10.1 ft (April 6, 2025) · 10.52 ft (April 3, 2024) · 8.7 ft (March 25, 2023) · 11.59 ft (March 8, 2022) · 8.84 ft (May 10, 2021)
Up and down the river, and nearby
- North Fork Licking River (OH) at Utica, OH
- Clear Fork Mohican River at Bellville, OH
- Clear Fork Mohican River below Pleasant Hill Dam, OH
- Whetstone Creek at Mt. Gilead, OH
- Black Fork Mohican River at Loudonville, OH
- Rocky Fork (Mohican River) at Lucas, OH
- Big Walnut Creek at Sunbury, OH
- North Fork Licking River (OH) at Newark Water Plant, OH
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MVEO1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.