Maximum discharge along the river was observed at the Grand River At Portland with a streamflow rate of 4,340 cfs. However, the deepest point on the river is located at the Grand River At Ionia reporting a gauge stage of 12.83 ft. This river is monitored from 12 different streamgauging stations along the Grand River, the highest being perched at an elevation of 10,170 ft, the Grand River Ditch At La Poudre Pass .

Streamflow conditions and seasonal statistics

Streamgauges reporting the most discharge on the Grand River

Discharge comparison for the highest gauges over the past 10 days

Streamflow discharge range for this time of year