Gibbons Creek Reservoir: 90.8% full as of 2026-08-29

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 2026-08-29 90.8 246.05 25,053 23,349 25,721 2,400
Yesterday 2026-08-28 90.6 246.03 25,006 23,302 25,721 2,378
2 days ago 2026-08-27 90.6 246.03 25,006 23,302 25,721 2,378
1 week ago 2026-08-22 91.7 246.15 25,294 23,590 25,721 2,461
1 month ago 2026-07-29 96.6 246.65 26,538 24,834 25,721 2,515
3 months ago 2026-05-29 95.1 246.50 26,162 24,458 25,721 2,499
6 months ago 2026-02-28 98.0 246.80 26,917 25,213 25,721 2,531
1 year ago 2025-08-29 98.2 246.82 26,967 25,263 25,721 2,533
*

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 2026-08-29 00:00 246.05 247.00 -0.95
1 hour prior 2026-08-28 23:00 246.07 247.00 -0.93
2 hours prior 2026-08-28 22:00 246.05 247.00 -0.95
6 hours prior 2026-08-28 18:00 246.08 247.00 -0.92
12 hours prior 2026-08-28 12:00 246.00 247.00 -1.00
24 hours prior 2026-08-28 00:00 246.02 247.00 -0.98
48 hours prior 2026-08-27 00:00 246.03 247.00 -0.97
*

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