Lake Amon G Carter: 84.2% full as of 2026-07-30

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 2026-07-30 84.2 917.83 17,012 16,228 19,266 1,327
Yesterday 2026-07-29 84.4 917.85 17,039 16,255 19,266 1,328
2 days ago 2026-07-28 84.6 917.88 17,079 16,295 19,266 1,331
1 week ago 2026-07-23 85.6 918.03 17,283 16,499 19,266 1,341
1 month ago 2026-06-30 89.3 918.55 17,992 17,208 19,266 1,380
3 months ago 2026-04-30 86.0 918.08 17,352 16,568 19,266 1,345
6 months ago 2026-01-30 87.5 918.29 17,640 16,856 19,266 1,361
1 year ago 2025-07-30 100.0 920.20 20,370 19,266 19,266 1,503
*

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 2026-07-30 16:00 917.82 920.00 -2.18
1 hour prior 2026-07-30 15:00 917.81 920.00 -2.19
2 hours prior 2026-07-30 14:00 917.82 920.00 -2.18
6 hours prior 2026-07-30 10:00 917.81 920.00 -2.19
12 hours prior 2026-07-30 04:00 917.84 920.00 -2.16
24 hours prior 2026-07-29 16:00 917.85 920.00 -2.15
48 hours prior 2026-07-28 16:00 917.87 920.00 -2.13
*

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)
Data Source USGS:08043700
USGS Monitoring Location USGS:08043700

Lake Location