Total streamflow across the Harpeth River was last observed at 920 cfs, and is expected to yield approximately 1,824 acre-ft of water today; about 105% of normal. Average streamflow for this time of year is 873 cfs, with recent peaks last observed on 2021-03-29 when daily discharge volume was observed at 86,300 cfs.

Maximum discharge along the river is currently at the Harpeth River Near Kingston Springs reporting a streamflow rate of 494 cfs. However, the streamgauge with the highest stage along the river is the Harpeth River At Franklin with a gauge stage of 3.82 ft. This river is monitored from 4 different streamgauging stations along the Harpeth River, the highest being situated at an altitude of 612 ft, the Harpeth River At Franklin.

The Harpeth River is a 115-mile-long river in Tennessee, known for its scenic beauty and rich history. It was named after a Native American tribe that once inhabited the area. The river flows through several counties, including Williamson, Cheatham, and Davidson, before joining the Cumberland River. The Harpeth river is a major source of water for the Nashville area and is used for recreational activities such as swimming, boating, and fishing. The river is also used for irrigation and agricultural purposes. There are several reservoirs and dams along the Harpeth River, including the Cheatham Dam, which was built in the 1960s and provides flood control and hydroelectric power. The river has been designated as a state scenic river and is protected under the Tennessee Scenic Rivers Act.