Great Falls Reservoir Tailrace water temperature
Great Falls Reservoir Tailrace, Great Falls, South Carolina · River
The current water temperature at Great Falls Reservoir Tailrace is 28.8 °C (as of September 21, 2026, source: USGS).
A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.
Measurement series & statistics
This measurement series includes 350 data points since July 23, 2026.
Lowest recorded value: 26.7 °C on July 30, 2026 · highest value: 32.2 °C on August 21, 2026.
In September, temperatures have ranged between 28.8 °C and 30.7 °C.
The current value is 1.1 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Great Falls Reservoir Tailrace right now?
The current water temperature is 28.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Great Falls Reservoir Tailrace?
Currently 28.8 °C (updated continuously).
How warm is at Great Falls Reservoir Tailrace in September?
In September, the water temperature recently averaged 29.9 °C.
When is the water warmest at Great Falls Reservoir Tailrace?
Across the measurement record, September is on average the warmest month (29.9 °C).
