Lake Conroe: 93.0% full as of 2026-10-22
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 | 2026-10-22 | 93.0 | 199.50 | 388,371 | 388,344 | 417,577 | 19,083 |
| Yesterday | 2026-10-21 | 93.0 | 199.51 | 388,562 | 388,535 | 417,577 | 19,089 |
| 2 days ago | 2026-10-20 | 93.1 | 199.53 | 388,944 | 388,917 | 417,577 | 19,099 |
| 1 week ago | 2026-10-15 | 94.0 | 199.71 | 392,391 | 392,364 | 417,577 | 19,197 |
| 1 month ago | 2026-09-22 | 94.1 | 199.73 | 392,775 | 392,748 | 417,577 | 19,208 |
| 3 months ago | 2026-07-22 | 99.9 | 200.98 | 417,207 | 417,180 | 417,577 | 19,884 |
| 6 months ago | 2026-04-22 | 95.0 | 199.94 | 396,820 | 396,793 | 417,577 | 19,321 |
| 1 year ago | 2025-10-22 | 95.3 | 200.00 | 397,981 | 397,954 | 417,577 | 19,354 |
*
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 | 2026-10-22 17:15 | 199.49 | 201.00 | -1.51 |
| 1 hour prior | 2026-10-22 16:15 | 199.50 | 201.00 | -1.50 |
| 2 hours prior | 2026-10-22 15:15 | 199.50 | 201.00 | -1.50 |
| 6 hours prior | 2026-10-22 11:15 | 199.51 | 201.00 | -1.49 |
| 12 hours prior | 2026-10-22 05:15 | 199.49 | 201.00 | -1.51 |
| 24 hours prior | 2026-10-21 17:15 | 199.51 | 201.00 | -1.49 |
| 48 hours prior | 2026-10-20 17:15 | 199.53 | 201.00 | -1.47 |
*
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 |