Data from EPA Water Quality Portal (USGS, EPA, state agencies).
There are 9 USGS water level monitoring stations on Au Sable River - Mio Dam Pond providing real-time flow and stage data.
There are 2 boat ramps, launches, and public access points on Au Sable River - Mio Dam Pond.
This is a large river. Please select a specific location along the river to monitor for your daily analysis.