Flatrock River

Total streamflow across the Flatrock River was last observed at 846 cfs, and is expected to yield approximately 1,678 acre-ft of water today; about 36% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 2,337 cfs, with recent peaks last observed on 2025-04-06 when daily discharge volume was observed at 30,300 cfs.

Maximum discharge along the river is currently at the Flatrock River At St. Paul reporting a streamflow rate of 2,770 cfs. However, the streamgauge with the highest stage along the river is the Flatrock River At Columbus with a gauge stage of 4.82 ft. This river is monitored from 2 different streamgauging stations along the Flatrock River, the highest being situated at an altitude of 781 ft, the Flatrock River At St. Paul.

It has a rich history, with Native American tribes and European settlers using it for transportation and fishing. Today, the river is primarily used for recreational activities like kayaking, fishing, and camping. The river is also an important source of water for agriculture in the area. There are several dams and reservoirs along the river, including the Cataract Dam, which was erected in 1927 to provide hydroelectric power to nearby communities. In recent years, there has been concern about water quality in the Flatrock River due to agricultural runoff and other pollution sources. Efforts are underway to protect the river and ensure it remains a valuable resource for generations to come.