Gibbons Creek Reservoir: 87.6% full as of 2026-09-24

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 2026-09-24 87.6 245.70 24,241 22,537 25,721 2,289
Yesterday 2026-09-23 87.7 245.71 24,264 22,560 25,721 2,291
2 days ago 2026-09-22 87.9 245.73 24,310 22,606 25,721 2,294
1 week ago 2026-09-17 88.7 245.82 24,517 22,813 25,721 2,309
1 month ago 2026-08-24 91.2 246.10 25,171 23,467 25,721 2,456
3 months ago 2026-06-24 97.8 246.78 26,866 25,162 25,721 2,529
6 months ago 2026-03-24 97.5 246.75 26,790 25,086 25,721 2,526
1 year ago 2025-09-24 100.0 247.10 27,681 25,721 25,721 2,564
*

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 2026-09-24 00:00 245.70 247.00 -1.30
1 hour prior 2026-09-23 23:00 245.70 247.00 -1.30
2 hours prior 2026-09-23 22:00 245.70 247.00 -1.30
6 hours prior 2026-09-23 18:00 245.72 247.00 -1.28
12 hours prior 2026-09-23 12:00 245.72 247.00 -1.28
24 hours prior 2026-09-23 00:00 245.72 247.00 -1.28
48 hours prior 2026-09-22 00:00 245.74 247.00 -1.26
*

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