Maximum discharge on the river today is recorded at the Heart River At Stark Bridge Nr Judson with a streamflow rate of 78.4 cfs. However, the deepest point on the river is located at the Heart River Nr Richardton reporting a gauge stage of 4.16 ft. This river is monitored from 5 different streamgauging stations along the Heart River, the first of which is perched at an elevation of 2,452 ft, the Heart River Nr South Heart .