Great Falls Reservoir (South Carolina), SC

As of 2026-10-13, Great Falls Reservoir (South Carolina) sits at 355.20 ft, which is high for this time of year. That is 0.60 ft below full pool of 355.80 ft. Over the past 30 days the level has risen 2.80 ft.

The most recent reading at Great Falls Reservoir (South Carolina) is 355.20 ft (2026-10-13), sourced from Duke Energy. Readings on this page refresh automatically as the agency publishes new data.

The highest level for Great Falls Reservoir (South Carolina) in our records is 355.50 ft on 2024-10-01. The lowest is 341.70 ft on 2021-10-16. Our record covers about 4 years of readings.

Compared with every October in our records, the current level is higher than 98% of them, which we classify as high for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.

Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Great Falls Reservoir (South Carolina) has risen 2.80 ft over the past 30 days. For the operational reason on any given week, check Duke Energy directly.

Great Falls Reservoir (South Carolina) is +2.70 ft compared with this date last year (355.20 ft today). The full-history chart above covers 4 years, with a record high of 355.50 ft and a record low of 341.70 ft.