Level of the Lake

Hartwell Lake

Elevation at the USGS gauge near Anderson, SC

649.17ft

feet above sea level

10.83 ft below full · down 0.23 ft this week

Below guide curve
updated 12:00 PM EDT

Since midnight

−0.02 ft

level change

Past 30 days

−1.63 ft

level change

Storage

—

no storage reading

Put Hartwell’s level on your phone →

Drought watchHartwell Lake 10.83 ft below full pool

Below full pool

10.83

ft (full = 660.00 ft)

Hartwell deficit

—

acre-feet below full

Above 2008 drought low

11.68

ft (637.49 ft, 2008 drought)

How past droughts played out →

Hartwell is holding steady. Water in and water out are about even this week. That puts it in the “Below guide curve” range, 0.17 ft above the “Drought drawdown” line.

Past 30 days

−1.54 ft over this window
649.00650.00651.00Aug 29Sep 13Sep 28
Lake elevation, past 30 days, now 649.23 ft, down 1.54 ft over the window
DateElevation (ft)
Aug 29650.77
Aug 30650.80
Aug 31650.82
Sep 1650.83
Sep 2650.72
Sep 3650.62
Sep 4650.60
Sep 5650.51
Sep 6650.42
Sep 7650.44
Sep 8650.45
Sep 9650.39
Sep 10650.25
Sep 11650.16
Sep 12650.09
Sep 13650.17
Sep 14650.12
Sep 15649.98
Sep 16649.86
Sep 17649.77
Sep 18649.71
Sep 19649.64
Sep 20649.50
Sep 21649.39
Sep 22649.34
Sep 23649.23
Sep 24649.21
Sep 25649.23
Sep 26649.24
Sep 27649.25
Sep 28649.23

Daily mean elevation · USGS 02187010 daily means · provisional

The lake in cross-section

Historic high 665.41964Flood pool 665Full pool 6602008 drought low 637…10.83 ft to full649.17 ft

Rivers into the lake

Rivers & rain →

Swipe sideways to follow the river to the lake →

172 cfs18 cfs172 cfs18 cfsChattooga172 cfsTwelvemile18 cfsTugaloo armChattooga → TugalooSeneca armTwelvemile CreekHartwell storage
SteadyReceding · high water draining downOn the rise · climbing right nowInbound wave · big rise upstreamFlooding · NWS, by river heightNo current readingRising or falling is judged from each gauge’s last 48 hours, scaled to its river. Dot speed follows the flow. NWS flood status comes from river height and outranks direction.

Streamflow at the 2 USGS gauges. Labels are gauge readings in cfs. Line width isn’t to scale.

The rivers, gauge by gauge

190cfs combined

91% of the inflow is coming from the Chattooga

Gauged rivers only. Runoff below these gauges and ungauged arms aren’t counted. Streamflow: USGS (provisional). Flood status: NOAA/NWS, from river height at each gauge rather than flow.