Lake Conroe: 92.7% full as of 2026-10-25

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 2026-10-25 92.7 199.44 387,227 387,200 417,577 19,051
Yesterday 2026-10-24 92.8 199.46 387,609 387,582 417,577 19,062
2 days ago 2026-10-23 92.9 199.48 387,990 387,963 417,577 19,072
1 week ago 2026-10-18 93.3 199.57 389,709 389,682 417,577 19,121
1 month ago 2026-09-25 93.7 199.65 391,240 391,213 417,577 19,164
3 months ago 2026-07-25 99.6 200.91 415,816 415,789 417,577 19,846
6 months ago 2026-04-25 95.0 199.93 396,627 396,600 417,577 19,316
1 year ago 2025-10-25 95.4 200.03 398,562 398,535 417,577 19,370
*

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 2026-10-25 00:00 199.44 201.00 -1.56
1 hour prior 2026-10-24 23:00 199.44 201.00 -1.56
2 hours prior 2026-10-24 22:00 199.44 201.00 -1.56
6 hours prior 2026-10-24 18:00 199.45 201.00 -1.55
12 hours prior 2026-10-24 12:00 199.46 201.00 -1.54
24 hours prior 2026-10-24 00:00 199.45 201.00 -1.55
48 hours prior 2026-10-23 00:00 199.48 201.00 -1.52
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1973-01-01
Vertical datum NGVD29
Dead pool elevation 145.00 ft above NGVD29
Top of gate elevation 202.50 ft above NGVD29
Emergency spillway crest elevation 173.00 ft above NGVD29
Maximum design elevation 207.00 ft above NGVD29
Top of dam elevation 212.00 ft above NGVD29
Conservation pool elevation 201.00 ft above NGVD29
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

1973-01-01 (source: TWDB)
1996-04-01 (source: TWDB) : GIS Data
2010-08-01 (source: TWDB) : GIS Data
2020-10-01 (source: TWDB) : GIS Data
Data Source USGS:08067600
USGS Monitoring Location USGS:08067600

Lake Location