Lake Conroe: 94.8% full as of 2026-10-05
Historical Data
| Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
|---|---|---|---|---|---|---|---|
| Today | 2026-10-05 | 94.8 | 199.90 | 396,048 | 396,021 | 417,577 | 19,300 |
| Yesterday | 2026-10-04 | 94.9 | 199.92 | 396,434 | 396,407 | 417,577 | 19,310 |
| 2 days ago | 2026-10-03 | 94.6 | 199.84 | 394,891 | 394,864 | 417,577 | 19,267 |
| 1 week ago | 2026-09-28 | 93.3 | 199.57 | 389,709 | 389,682 | 417,577 | 19,121 |
| 1 month ago | 2026-09-05 | 95.2 | 199.97 | 397,400 | 397,373 | 417,577 | 19,337 |
| 3 months ago | 2026-07-05 | 98.8 | 200.75 | 412,648 | 412,621 | 417,577 | 19,759 |
| 6 months ago | 2026-04-05 | 95.1 | 199.95 | 397,014 | 396,987 | 417,577 | 19,327 |
| 1 year ago | 2025-10-05 | 97.1 | 200.38 | 405,374 | 405,347 | 417,577 | 19,559 |
*
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 | 2026-10-05 16:45 | 199.89 | 201.00 | -1.11 |
| 1 hour prior | 2026-10-05 15:45 | 199.89 | 201.00 | -1.11 |
| 2 hours prior | 2026-10-05 14:45 | 199.90 | 201.00 | -1.10 |
| 6 hours prior | 2026-10-05 10:45 | 199.90 | 201.00 | -1.10 |
| 12 hours prior | 2026-10-05 04:45 | 199.90 | 201.00 | -1.10 |
| 24 hours prior | 2026-10-04 16:45 | 199.92 | 201.00 | -1.08 |
| 48 hours prior | 2026-10-03 16:45 | 199.83 | 201.00 | -1.17 |
*
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 |