Little Miami River

Last Updated: May 10, 2026

Total streamflow across the Little Miami River was last observed at 1,715 cfs, and is expected to yield approximately 3,402 acre-ft of water today; about 68% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 2,537 cfs, with recent peaks last observed on 2022-02-18 when daily discharge volume was observed at 36,330 cfs.

Maximum discharge along the river is currently at the Little Miami River At Milford Oh reporting a streamflow rate of 1,550 cfs. This is also the highest stage along the Little Miami River, with a gauge stage of 6.62 ft at this location. This river is monitored from 2 different streamgauging stations along the Little Miami River, the highest being situated at an altitude of 822 ft, the Little Miami River Near Oldtown Oh.

The Little Miami River flows for 105 miles through southwestern Ohio, beginning near Clifton Gorge and ending where it joins the Ohio River.


15-Day Long Term Forecast


River Details

Last Updated 2026-05-09
Discharge Volume 3,402 ACRE-FT
Streamflow 1,715.0 cfs
Past 24 Hours: -976.0 cfs (-36.27%)
Percent of Normal 67.61%
Maximum 36,330.0 cfs
2022-02-18
Seasonal Avg 2,537 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Little Miami River Near Oldtown Oh
USGS 03240000
165 cfs 2.15 ft -21.8
Little Miami River At Milford Oh
USGS 03245500
1550 cfs 6.62 ft -37.5
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Little Miami River (Shawnee: Cakimiyamithiipi) is a Class I tributary of the Ohio River that flows 111 miles (179 km) through five counties in southwestern Ohio in the United States. The Little Miami joins the Ohio River east of Cincinnati. It forms parts of the borders between Hamilton and Clermont counties and between Hamilton and Warren counties. The Little Miami River is one of 156 American rivers designated by the U.S. Congress or the Secretary of the Interior as a National Wild and Scenic River and lends its name to the adjacent Little Miami Scenic Trail.