Lake Conroe: 94.5% full as of 2026-10-09
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 | 2026-10-09 | 94.5 | 199.82 | 394,506 | 394,479 | 417,577 | 19,256 |
| Yesterday | 2026-10-08 | 94.5 | 199.83 | 394,698 | 394,671 | 417,577 | 19,262 |
| 2 days ago | 2026-10-07 | 94.6 | 199.85 | 395,084 | 395,057 | 417,577 | 19,273 |
| 1 week ago | 2026-10-02 | 94.5 | 199.82 | 394,506 | 394,479 | 417,577 | 19,256 |
| 1 month ago | 2026-09-09 | 95.2 | 199.97 | 397,400 | 397,373 | 417,577 | 19,337 |
| 3 months ago | 2026-07-09 | 98.3 | 200.64 | 410,478 | 410,451 | 417,577 | 19,700 |
| 6 months ago | 2026-04-09 | 94.6 | 199.85 | 395,084 | 395,057 | 417,577 | 19,273 |
| 1 year ago | 2025-10-09 | 96.7 | 200.30 | 403,811 | 403,784 | 417,577 | 19,516 |
*
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 | 2026-10-09 06:15 | 199.81 | 201.00 | -1.19 |
| 1 hour prior | 2026-10-09 05:15 | 199.81 | 201.00 | -1.19 |
| 2 hours prior | 2026-10-09 04:15 | 199.81 | 201.00 | -1.19 |
| 6 hours prior | 2026-10-09 00:15 | 199.82 | 201.00 | -1.18 |
| 12 hours prior | 2026-10-08 18:15 | 199.82 | 201.00 | -1.18 |
| 24 hours prior | 2026-10-08 06:15 | 199.83 | 201.00 | -1.17 |
| 48 hours prior | 2026-10-07 06:15 | 199.85 | 201.00 | -1.15 |
*
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
