Lake Blalock water level
Source: waterdata.usgs.gov/monitoring-location/USGS-021556524, accessed October 1, 2026. Updated every 6 hours.
Lake Blalock's elevation is 710.13 ft as of September 29, 2026. Lake Blalock is near Cowpens, South Carolina.
Lake Blalock level history
Highs and lows are daily readings in the published data, not official records. Source: USGS daily data.
Elevation, ft, since 1998
Lake Blalock is falling: 710.14 ft, down 0.08 ft since September 27, 2026.
On this same date last year (September 28, 2025), Lake Blalock was 709.6 ft, 0.54 ft lower than today's 710.14 ft.
Weekly averages of the source's daily readings; older years may be monthly or sparser where that is all the source published. Download the charted data (JSON).
Lake Blalock map
Lake Blalock is at 35.0526, -81.8644. Open in OpenStreetMap.
The dam
- Water supply
Sources: nid.sec.usace.army.mil, accessed September 29, 2026
On the water
No campgrounds, boat ramps, or swim spots linked to Lake Blalock yet.
Common questions
- Lake Blalock's elevation is 710.13 ft as of September 29, 2026.
- In USGS daily data since February 27, 1998, Lake Blalock's highest elevation was 713.77 ft on September 28, 2024. Its lowest since February 27, 1998 was 676.45 ft on November 23, 2004. These are the highest and lowest daily readings in the published data, not official records.
- Lake Blalock is near Cowpens, South Carolina (35.0526, -81.8644).
- Local Government operates the dam at Lake Blalock.
- Lake Blalock's dam is used for Water supply.