Gibbons Creek Reservoir: 90.0% full as of 2026-09-07

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 2026-09-07 90.0 245.96 24,842 23,138 25,721 2,335
Yesterday 2026-09-06 90.1 245.97 24,866 23,162 25,721 2,338
2 days ago 2026-09-05 90.2 245.99 24,912 23,208 25,721 2,342
1 week ago 2026-08-31 90.5 246.02 24,983 23,279 25,721 2,366
1 month ago 2026-08-07 94.7 246.46 26,062 24,358 25,721 2,494
3 months ago 2026-06-07 95.0 246.49 26,137 24,433 25,721 2,497
6 months ago 2026-03-07 97.8 246.78 26,866 25,162 25,721 2,529
1 year ago 2025-09-07 100.0 247.35 28,326 25,721 25,721 2,596
*

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 2026-09-07 04:00 245.96 247.00 -1.04
1 hour prior 2026-09-07 03:00 245.96 247.00 -1.04
2 hours prior 2026-09-07 02:00 245.96 247.00 -1.04
6 hours prior 2026-09-06 22:00 245.97 247.00 -1.03
12 hours prior 2026-09-06 16:00 245.97 247.00 -1.03
24 hours prior 2026-09-06 04:00 245.98 247.00 -1.02
48 hours prior 2026-09-05 04:00 245.99 247.00 -1.01
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1981-01-01
Vertical datum NGVD29
Dead pool elevation 229.39 ft above NGVD29
Conservation pool elevation 247.00 ft above NGVD29
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

2008-03-01 (source: TWDB) : GIS Data
Data Source USGS:08111058
USGS Monitoring Location USGS:08111058

Lake Location