Lake Conroe: 95.1% full as of 2026-09-06
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 | 2026-09-06 | 95.1 | 199.95 | 397,014 | 396,987 | 417,577 | 19,327 |
| Yesterday | 2026-09-05 | 95.2 | 199.97 | 397,400 | 397,373 | 417,577 | 19,337 |
| 2 days ago | 2026-09-04 | 95.3 | 199.99 | 397,787 | 397,760 | 417,577 | 19,348 |
| 1 week ago | 2026-08-30 | 95.5 | 200.04 | 398,755 | 398,728 | 417,577 | 19,375 |
| 1 month ago | 2026-08-06 | 98.1 | 200.60 | 409,690 | 409,663 | 417,577 | 19,678 |
| 3 months ago | 2026-06-06 | 99.1 | 200.82 | 414,032 | 414,005 | 417,577 | 19,797 |
| 6 months ago | 2026-03-06 | 94.6 | 199.84 | 394,891 | 394,864 | 417,577 | 19,267 |
| 1 year ago | 2025-09-06 | 99.9 | 200.98 | 417,207 | 417,180 | 417,577 | 19,884 |
*
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 | 2026-09-06 00:00 | 199.95 | 201.00 | -1.05 |
| 1 hour prior | 2026-09-05 23:00 | 199.96 | 201.00 | -1.04 |
| 2 hours prior | 2026-09-05 22:00 | 199.96 | 201.00 | -1.04 |
| 6 hours prior | 2026-09-05 18:00 | 199.98 | 201.00 | -1.02 |
| 12 hours prior | 2026-09-05 12:00 | 199.99 | 201.00 | -1.01 |
| 24 hours prior | 2026-09-05 00:00 | 199.97 | 201.00 | -1.03 |
| 48 hours prior | 2026-09-04 00:00 | 199.99 | 201.00 | -1.01 |
*
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
