Lake Amon G Carter: 76.0% full as of 2026-09-13
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 | 2026-09-13 | 76.0 | 916.55 | 15,419 | 14,635 | 19,266 | 1,240 |
| Yesterday | 2026-09-12 | 76.1 | 916.58 | 15,455 | 14,671 | 19,266 | 1,242 |
| 2 days ago | 2026-09-11 | 76.3 | 916.60 | 15,478 | 14,694 | 19,266 | 1,243 |
| 1 week ago | 2026-09-06 | 77.0 | 916.72 | 15,620 | 14,836 | 19,266 | 1,251 |
| 1 month ago | 2026-08-13 | 81.2 | 917.38 | 16,428 | 15,644 | 19,266 | 1,296 |
| 3 months ago | 2026-06-13 | 89.2 | 918.53 | 17,965 | 17,181 | 19,266 | 1,378 |
| 6 months ago | 2026-03-13 | 87.1 | 918.23 | 17,558 | 16,774 | 19,266 | 1,356 |
| 1 year ago | 2025-09-13 | 96.5 | 919.53 | 19,368 | 18,584 | 19,266 | 1,455 |
*
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 | 2026-09-13 22:00 | 916.55 | 920.00 | -3.45 |
| 1 hour prior | 2026-09-13 21:00 | 916.55 | 920.00 | -3.45 |
| 2 hours prior | 2026-09-13 20:00 | 916.54 | 920.00 | -3.46 |
| 6 hours prior | 2026-09-13 16:00 | 916.55 | 920.00 | -3.45 |
| 12 hours prior | 2026-09-13 10:00 | 916.55 | 920.00 | -3.45 |
| 24 hours prior | 2026-09-12 22:00 | 916.56 | 920.00 | -3.44 |
| 48 hours prior | 2026-09-11 22:00 | 916.60 | 920.00 | -3.40 |
*
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 |