Every flood and every drought since Hartwell Dam closed. Hartwell Lake has swung across 28 vertical feet — from a record low of 637.49 ft to a record high of 665.4 ft. Today’s 652.36 ft is higher than 16% of all months on record.
Monthly mean (line) with monthly min–max band. Dashed teal line = full pool (660 ft).
Record high
665.4 ft
1964-04-08
Record low
637.49 ft
2008-12-09
Flood pool
665 ft
top of flood storage
Full pool
660 ft
conservation pool
Daily record aggregated here to monthly min/mean/max. Lake level and streamflow from USGS (Hartwell project data courtesy of USACE Savannah); reference and record elevations from USACE Savannah District publications. Historical daily values are agency-reviewed; recent values are provisional.