Little Miami River near Spring Valley, OH
River level and flood forecast · Greene County
Normal2.8 ftas of Mon 4 PM
The river is 8.2 ft below flood stage (11 ft).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 17 ft |
| Moderate flood stage | 14 ft |
| Flood stage | 11 ft |
| Action stage | 9 ft |
| Record crest (January 21, 1959) | 19.2 ft |
What floods at each level
From the National Weather Service, highest first.
- 19 ftThis stage is approximate the FEMA 1 percent flood level. Numerous homes are flooded near Corwin Road from Corwin to Oregonia, with areas of Spring Valley flooded between the Little Miami trail and the river, as well as areas of Beavercreek Township. Areas of Bellbrook south of Franklin Street may flood due to backwater along Sugar Creek. The Sugar Creek Waste Water Treatment facility begin incurs partial flooding. A flood of this level is close to the record flood for the region, which occurred in 1959.
- 17 ftFlooding impacts numerous homes and businesses along the river, as well as backwater flooding along Sugar Creek. Structures near Corwin road from Spring Valley to Corwin are impacted, as well as areas of Beavercreek township close to the river.
- 15 ftSome homes and businesses near Spring Valley, Roxanna, Oregonia and Corwin are impacted by flooding, possibly first floor level flooding. High water covers long stretches of Corwin Road near the river, as well as Waynesville, New Burlington and Middletown Roads.
- 14 ftFlood waters approach businesses and some homes near Spring Valley, Roxanna, Oregonia, Corwin and east of Waynesville. Flooding continues along portions of Corwin Road near the river, as well as Waynesville, New Burlington and Middletown Roads. Much of Wayne Township in Warren County is flooded along the river.
- 13 ftHigh water impacts low areas near Spring Valley, Roxanna, Corwin and east of Waynesville. Flood waters approach homes very close to the river, and widespread bottom land flooding occurs. Water floods Corwin Road, Waynesville Road and Middletown Road near the river.
- 12 ftWater rises into low-lying areas close to the river near Spring Valley, Roxanna and east of Waynesville. Water floods Corwin Road, as well as Waynesville and Middletown Roads, along with flooding of Bellbrook golf driving range and portions of Washington Mill Park.
- 11 ftFlooding impacts short areas of Middletown and Waynesville Roads, in addition to Corwin Road and Corwin Park. Backwater flooding may impact Route 725 in Sugarcreek Township, along with flooding of Washington Mill Road near Bellbrook.
- 10 ftCorwin Road and Corwin Park are flooded.
Highest crests on record
- 19.2 ft — January 21, 1959
- 19.14 ft — March 5, 1963
- 16.8 ft — February 6, 1929
- 16.75 ft — January 27, 1952
- 16.47 ft — February 14, 1948
Recent crests: 12.16 ft (August 20, 2026) · 12.87 ft (March 5, 2026) · 11.26 ft (February 20, 2026) · 13.17 ft (April 5, 2025) · 12.69 ft (March 25, 2023)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (LLMO1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.