Lake Amon G Carter: 81.1% full as of 2026-10-21
Historical Data
| Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
|---|---|---|---|---|---|---|---|
| Today | 2026-10-21 | 81.1 | 917.36 | 16,403 | 15,619 | 19,266 | 1,294 |
| Yesterday | 2026-10-20 | 81.1 | 917.37 | 16,416 | 15,632 | 19,266 | 1,295 |
| 2 days ago | 2026-10-19 | 81.3 | 917.39 | 16,441 | 15,657 | 19,266 | 1,296 |
| 1 week ago | 2026-10-14 | 80.5 | 917.27 | 16,291 | 15,507 | 19,266 | 1,288 |
| 1 month ago | 2026-09-21 | 74.8 | 916.35 | 15,187 | 14,403 | 19,266 | 1,227 |
| 3 months ago | 2026-07-21 | 86.0 | 918.08 | 17,352 | 16,568 | 19,266 | 1,345 |
| 6 months ago | 2026-04-21 | 85.4 | 917.99 | 17,228 | 16,444 | 19,266 | 1,338 |
| 1 year ago | 2025-10-21 | 92.1 | 918.94 | 18,519 | 17,735 | 19,266 | 1,410 |
*
Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.
**
Values above, including today's are averaged conditions. For near real-time instantaneous water level, see table below or the interactive map viewer.
Most Recent Instantaneous Water Level
| Date/time |
Water Level (ft) |
Conservation Pool Elevation (ft) |
Height Above Conservation Pool (ft) |
|
|---|---|---|---|---|
| Most recent | 2026-10-21 17:00 | 917.35 | 920.00 | -2.65 |
| 1 hour prior | 2026-10-21 16:00 | 917.35 | 920.00 | -2.65 |
| 2 hours prior | 2026-10-21 15:00 | 917.35 | 920.00 | -2.65 |
| 6 hours prior | 2026-10-21 11:00 | 917.36 | 920.00 | -2.64 |
| 12 hours prior | 2026-10-21 05:00 | 917.36 | 920.00 | -2.64 |
| 24 hours prior | 2026-10-20 17:00 | 917.36 | 920.00 | -2.64 |
| 48 hours prior | 2026-10-19 17:00 | 917.38 | 920.00 | -2.62 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1956-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 892.50 ft above NGVD29 |
| Service spillway crest elevation | 920.00 ft above NGVD29 |
| Emergency spillway crest elevation | 928.20 ft above NGVD29 |
| Top of dam elevation | 944.80 ft above NGVD29 |
| Conservation pool elevation | 920.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1974-10-01 (source: TWDB)
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| Data Source | USGS:08043700 |
| USGS Monitoring Location | USGS:08043700 |