Little Miami River near South Lebanon
Ohio — Water Level & Flood Stage
Located in Warren County, Ohio on the Little Miami River. Live water level data from USGS, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: SLBO1). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
32 ft
Moderate Flood
25 ft
Minor Flood
19 ft
Action Stage
15 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
34 ft
Major flooding in South Lebanon covers about one third of the town, with water several feet deep into homes and businesses between Broadway Street and the river. The Village of Morrow also experiences moderate flooding along streets close to the river and along Todd Fork Creek. Kings Mills Road near Foster is also severely flooded.
33 ft
This is roughly equal to the FEMA 1 percent flood. Much of South Lebanon between East Pike Street and the river is flooded, including backwater flooding along Turtle Creek and Dry Run. Long stretches of Mason Morrow Millgrove Road are also flooded, as well as much of the village of Morrow.
32 ft
Major flooding occurs in South Lebanon, especially between McKinley Street and the river. Water is several feet deep into many homes. Flood waters are several feet deep along Mason-Morrow-Millgrove Road, as well as on Front Street in Morrow.
29 ft
South Lebanon incurs the worst of the flooding, with some homes inundated along South Main Street and King Avenue in South Lebanon. Long stretches of Mason-Morrow-Millgrove Road is flooded, as well as Front Street in Morrow. Water spills onto Kings Mills Road near Foster.
26 ft
Flooding along portions of South Main Street, South High Street and King Avenue in South Lebanon is a foot deep or more. Basement flooding of several feet occurs in riverfront homes of South Lebanon. Flooding also occurs along Front and Miami Streets in Morrow and becomes worse along portions of Mason-Morrow-Millgrove Road. Todd Fork Creek in Morrow experiences backwater flooding resulting in flooding along Front Street and other low-lying roads in Morrow.
25 ft
Flooding occurs along portions of South Main Street, South High Street and King Avenue in South Lebanon. Basement flooding of occurs in riverfront homes of South Lebanon. Flooding also occurs along Front and Miami Streets in Morrow and along longer stretches of Mason-Morrow-Millgrove Road. Todd Fork Creek in Morrow experiences backwater flooding resulting in flooding along Front Street and other low-lying roads.
23 ft
Low-lying roads are affected in South Lebanon including South Main and McKinley Streets and King Avenue. Some homes near the river incur basement flooding in South Lebanon. Lowland flooding can be expected along the Little Miami from Morrow to Foster, including much of Mason-Morrow-Millgrove Road.
21 ft
Flooding can be expected near Turtle Creek in South Lebanon. Roads affected by the flooding include Broadway, McKinley and Pike Streets, with expanded flooding along Mason-Morrow-Millgrove Road and in areas of Morrow.
20 ft
Flood waters approach low-lying roads in Foster and South Lebanon, in addition to flooding along Front Street in Morrow, Stubbs Mills Road and stretches of Mason Morrow Millgrove Road.
19 ft
Flooding of lowland areas occurs from South Lebanon to Foster. Portions of Mason-Morrow-Millgrove Road are flooded, as well as Stubbs Mills Road near the river. Front Street in Morrow floods.
18 ft
Flooding of lowland areas occurs from South Lebanon to Foster. Water approaches portions of Mason-Morrow-Millgrove Road, as well as Stubbs Mills Road near the river.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Feb 18, 2022 | 23.2 ft | — |
| Feb 18, 2022 | 23.2 ft | — |
| Jun 19, 2021 | 21.51 ft | — |
| Jun 19, 2021 | 21.51 ft | — |
| Mar 3, 2023 | 20.52 ft | — |
About This Gauge
NWS LID
SLBO1
River
Little Miami River
County
Warren, OH
Coordinates
39.3688°N, 84.2252°W
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Frequently Asked Questions
What is the current water level of Little Miami River near South Lebanon?
The Little Miami River near South Lebanon gauge is maintained by USGS and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Little Miami River near South Lebanon?
The NWS-defined flood stage for Little Miami River near South Lebanon is 19 feet. Action stage begins at 15 feet. Moderate flooding starts at 25 feet, and major flooding at 32 feet.
How do I get alerts when Little Miami River rises?
Download StormCast free on Google Play, go to River Gauges, and add Little Miami River near South Lebanon to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Little Miami River near South Lebanon gauge located?
The gauge is located in Warren County, Ohio at coordinates 39.3688°N, 84.2252°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: Warren County EMA
- This gage is out of service and currently unavailable.
- Daily forecasts have been temporarily suspended. Forecasts will be issued as needed in times of high water.