Houston County Lake: 95.4% full as of 2026-09-05

Historical Data

Date Percent Full Mean Water Level
(ft) 		Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft) 		Surface Area
(acres)
Most recent 2026-09-05 95.4 259.39 16,885 16,333 17,113 1,265
1 day prior 2026-09-04 95.4 259.39 16,885 16,333 17,113 1,265
2 days prior 2026-09-03 95.1 259.35 16,834 16,282 17,113 1,264
1 week prior 2026-08-29 95.4 259.39 16,885 16,333 17,113 1,265
1 month prior 2026-08-05 98.3 259.78 17,382 16,830 17,113 1,283
3 months prior 2026-06-05 100.0 260.20 17,924 17,113 17,113 - n.a. -
6 months prior 2026-03-05 100.0 260.11 17,808 17,113 17,113 - n.a. -
1 year prior 2025-09-05 100.0 260.13 17,834 17,113 17,113 - n.a. -
*

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 2026-09-05 23:15 259.39 260.00 -0.61
1 hour prior 2026-09-05 22:15 259.39 260.00 -0.61
2 hours prior 2026-09-05 21:15 259.38 260.00 -0.62
6 hours prior 2026-09-05 17:15 259.38 260.00 -0.62
12 hours prior 2026-09-05 11:15 259.39 260.00 -0.61
24 hours prior 2026-09-04 23:15 259.39 260.00 -0.61
48 hours prior 2026-09-03 23:15 259.39 260.00 -0.61
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1966-01-01
Vertical datum NGVD29
Dead pool elevation 234.00 ft above NGVD29
Service spillway crest elevation 260.00 ft above NGVD29
Emergency spillway crest elevation 265.00 ft above NGVD29
Top of dam elevation 277.00 ft above NGVD29
Conservation pool elevation 260.00 ft above NGVD29
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

1966-01-01 (source: USGS)
1999-01-01 (source: TWDB) : GIS Data
Data Source USGS:08065330
USGS Monitoring Location USGS:08065330

Lake Location