Gibbons Creek Reservoir: 93.3% full as of 2026-08-15

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 2026-08-15 93.3 246.31 25,689 23,985 25,721 2,478
Yesterday 2026-08-14 93.3 246.32 25,714 24,010 25,721 2,479
2 days ago 2026-08-13 93.5 246.34 25,764 24,060 25,721 2,481
1 week ago 2026-08-08 94.5 246.44 26,013 24,309 25,721 2,492
1 month ago 2026-07-15 97.7 246.77 26,841 25,137 25,721 2,528
3 months ago 2026-05-15 100.0 247.28 28,145 25,721 25,721 2,587
6 months ago 2026-02-15 100.0 247.33 28,274 25,721 25,721 2,594
1 year ago 2025-08-15 99.0 246.90 27,170 25,466 25,721 2,542
*

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 2026-08-15 20:00 246.30 247.00 -0.70
1 hour prior 2026-08-15 19:00 246.30 247.00 -0.70
2 hours prior 2026-08-15 18:00 246.30 247.00 -0.70
6 hours prior 2026-08-15 14:00 246.30 247.00 -0.70
12 hours prior 2026-08-15 08:00 246.31 247.00 -0.69
24 hours prior 2026-08-14 20:00 246.32 247.00 -0.68
48 hours prior 2026-08-13 20:00 246.33 247.00 -0.67
*

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