Lake Conroe: 98.2% full as of 2026-08-05
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 | 2026-08-05 | 98.2 | 200.63 | 410,281 | 410,254 | 417,577 | 19,694 |
| Yesterday | 2026-08-04 | 98.3 | 200.65 | 410,675 | 410,648 | 417,577 | 19,705 |
| 2 days ago | 2026-08-03 | 98.5 | 200.69 | 411,463 | 411,436 | 417,577 | 19,727 |
| 1 week ago | 2026-07-29 | 99.1 | 200.81 | 413,835 | 413,808 | 417,577 | 19,792 |
| 1 month ago | 2026-07-05 | 98.8 | 200.75 | 412,648 | 412,621 | 417,577 | 19,759 |
| 3 months ago | 2026-05-05 | 95.4 | 200.03 | 398,562 | 398,535 | 417,577 | 19,370 |
| 6 months ago | 2026-02-05 | 94.6 | 199.84 | 394,891 | 394,864 | 417,577 | 19,267 |
| 1 year ago | 2025-08-05 | 99.0 | 200.78 | 413,241 | 413,214 | 417,577 | 19,775 |
*
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 | 2026-08-05 19:45 | 200.62 | 201.00 | -0.38 |
| 1 hour prior | 2026-08-05 18:45 | 200.62 | 201.00 | -0.38 |
| 2 hours prior | 2026-08-05 17:45 | 200.63 | 201.00 | -0.37 |
| 6 hours prior | 2026-08-05 13:45 | 200.63 | 201.00 | -0.37 |
| 12 hours prior | 2026-08-05 07:45 | 200.63 | 201.00 | -0.37 |
| 24 hours prior | 2026-08-04 19:45 | 200.63 | 201.00 | -0.37 |
| 48 hours prior | 2026-08-03 19:45 | 200.66 | 201.00 | -0.34 |
*
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
