Maximum discharge on the river today is recorded at the Olentangy River At J H Herrick Dr At Columbus Oh with a streamflow rate of 648 cfs. This is also the deepest point on the Olentangy River, reporting a gauge stage of 712.2 ft. This river is monitored from 3 different streamgauging stations along the Olentangy River, the first of which is perched at an elevation of 877 ft, the Olentangy River Near Delaware Oh .