Lake Amon G Carter: 80.7% full as of 2026-08-15
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 | 2026-08-15 | 80.7 | 917.31 | 16,340 | 15,556 | 19,266 | 1,291 |
| Yesterday | 2026-08-14 | 80.9 | 917.34 | 16,378 | 15,594 | 19,266 | 1,293 |
| 2 days ago | 2026-08-13 | 81.2 | 917.38 | 16,428 | 15,644 | 19,266 | 1,296 |
| 1 week ago | 2026-08-08 | 82.3 | 917.55 | 16,644 | 15,860 | 19,266 | 1,308 |
| 1 month ago | 2026-07-15 | 86.9 | 918.20 | 17,517 | 16,733 | 19,266 | 1,354 |
| 3 months ago | 2026-05-15 | 84.4 | 917.86 | 17,052 | 16,268 | 19,266 | 1,329 |
| 6 months ago | 2026-02-15 | 87.8 | 918.34 | 17,708 | 16,924 | 19,266 | 1,365 |
| 1 year ago | 2025-08-15 | 99.4 | 919.92 | 19,937 | 19,153 | 19,266 | 1,484 |
*
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 | 2026-08-15 20:00 | 917.31 | 920.00 | -2.69 |
| 1 hour prior | 2026-08-15 19:00 | 917.31 | 920.00 | -2.69 |
| 2 hours prior | 2026-08-15 18:00 | 917.30 | 920.00 | -2.70 |
| 6 hours prior | 2026-08-15 14:00 | 917.30 | 920.00 | -2.70 |
| 12 hours prior | 2026-08-15 08:00 | 917.30 | 920.00 | -2.70 |
| 24 hours prior | 2026-08-14 20:00 | 917.38 | 920.00 | -2.62 |
| 48 hours prior | 2026-08-13 20:00 | 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 |