Olentangy River River Levels

Last Updated: February 1, 2026

The Olentangy River is a 97-mile long river in central Ohio that runs through Franklin, Delaware, and Marion counties.



15-Day Weather Outlook


Summary

Total streamflow across the Olentangy River was last observed at 171 cfs, and is expected to yield approximately 339 acre-ft of water today; about 7% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 2,522 cfs, with recent peaks last observed on 2020-05-19 when daily discharge volume was observed at 18,830 cfs.

Maximum discharge along the river is currently at the Olentangy River At J H Herrick Dr At Columbus Oh reporting a streamflow rate of 69.9 cfs. This is also the highest stage along the Olentangy River, with a gauge stage of 710.79 ft at this location. This river is monitored from 3 different streamgauging stations along the Olentangy River, the highest being situated at an altitude of 877 ft, the Olentangy River Near Delaware Oh.

River Details

Last Updated 2026-02-01
Discharge Volume 339 ACRE-FT
Streamflow 170.8 cfs
-7.7 cfs (-4.31%)
Percent of Normal 6.77%
Maximum 18,830.0 cfs
2020-05-19
Seasonal Avg 2,522 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Olentangy River Near Delaware Oh
USGS 03225500
41 cfs 1.73 ft 0
Olentangy River Near Worthington Oh
USGS 03226800
60 cfs 1.67 ft 0
Olentangy River At J H Herrick Dr At Columbus Oh
USGS 03227107
70 cfs 710.79 ft -9.92
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Olentangy River is a 97-mile-long (156 km) tributary of the Scioto River in Ohio, United States.