Lake Conroe: 95.7% full as of 2026-08-29
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 | 2026-08-29 | 95.7 | 200.08 | 399,531 | 399,504 | 417,577 | 19,397 |
| Yesterday | 2026-08-28 | 95.6 | 200.06 | 399,143 | 399,116 | 417,577 | 19,386 |
| 2 days ago | 2026-08-27 | 95.7 | 200.08 | 399,531 | 399,504 | 417,577 | 19,397 |
| 1 week ago | 2026-08-22 | 96.3 | 200.21 | 402,057 | 402,030 | 417,577 | 19,467 |
| 1 month ago | 2026-07-29 | 99.1 | 200.81 | 413,835 | 413,808 | 417,577 | 19,792 |
| 3 months ago | 2026-05-29 | 99.5 | 200.89 | 415,420 | 415,393 | 417,577 | 19,835 |
| 6 months ago | 2026-02-28 | 94.8 | 199.90 | 396,048 | 396,021 | 417,577 | 19,300 |
| 1 year ago | 2025-08-29 | 98.4 | 200.66 | 410,872 | 410,845 | 417,577 | 19,711 |
*
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 | 2026-08-29 00:00 | 200.08 | 201.00 | -0.92 |
| 1 hour prior | 2026-08-28 23:00 | 200.08 | 201.00 | -0.92 |
| 2 hours prior | 2026-08-28 22:00 | 200.09 | 201.00 | -0.91 |
| 6 hours prior | 2026-08-28 18:00 | 200.06 | 201.00 | -0.94 |
| 12 hours prior | 2026-08-28 12:00 | 200.07 | 201.00 | -0.93 |
| 24 hours prior | 2026-08-28 00:00 | 200.06 | 201.00 | -0.94 |
| 48 hours prior | 2026-08-27 00:00 | 200.08 | 201.00 | -0.92 |
*
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
