Olentangy River River Levels

Last Updated: December 4, 2025

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


Summary

Total streamflow across the Olentangy River was last observed at 117 cfs, and is expected to yield approximately 232 acre-ft of water today; about 13% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 919 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 71.8 cfs. This is also the highest stage along the Olentangy River, with a gauge stage of 710.8 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 2025-12-04
Discharge Volume 232 ACRE-FT
Streamflow 116.8 cfs
-5.2 cfs (-4.26%)
Percent of Normal 12.72%
Maximum 18,830.0 cfs
2020-05-19
Seasonal Avg 919 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
15 cfs 1.4 ft 2.84
Olentangy River Near Worthington Oh
USGS 03226800
31 cfs 1.54 ft -10.82
Olentangy River At J H Herrick Dr At Columbus Oh
USGS 03227107
72 cfs 710.8 ft -2.58
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.