Harpeth River below Franklin, TN Flow & Water Level

NWS river forecast

Forecast from the NOAA National Water Prediction Service. Issued a few times a day and only while a forecast is active. Not for navigation.

Last 30 days

About this gauge

USGS gauge 03432400 sits on the Harpeth River and reads everything draining 210 square miles of the Harpeth basin. Its datum sits 594 feet above sea level NAVD88. Daily flow has been on record here since 1988, 36 years of it.

Where this gauge sits in the drainage

Three gauged sites sit upstream of here. The closest is Harpeth River at Franklin, TN, reading 192 square miles. This gauge adds the 18 square miles that drain in between. Downstream the next reading comes from Harpeth River at Mile 81.33 near Berrys Chapel, TN at 213 square miles, so what passes this gauge is about 99% of the water measured there. Water passing here goes on to Harpeth River at Bellevue, TN.

Normal flows here

The Harpeth River runs a median of 96 cfs at this gauge across 36 years of record. March is the fullest month at a median 325 cfs, and September the leanest at 26 cfs. The highest daily mean on record is 20,000 cfs in 2010, and the lowest is 4.1 cfs in 1988.

Medians from the USGS daily-statistics record, 1988 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

The Harpeth River reaches flood stage at this gauge at 27 feet. NWS starts watching it at 22 feet. The highest crest on record is 32.3 feet, in May 2010.

Flood categories and crest history from the NOAA National Water Prediction Service, gauge HBFT1. Stages are gage height, not depth. Not for navigation.

TVA dams near this gauge

TVA's J Percy Priest Dam is 20 miles from this gauge on the Stones system. Planned generation, lake level and tailwater elevation for it load below when TVA has published them.

• J Percy Priest Dam 20 miles