Lake Conroe: 94.0% full as of 2026-10-13
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 | 2026-10-13 | 94.0 | 199.72 | 392,583 | 392,556 | 417,577 | 19,202 |
| Yesterday | 2026-10-12 | 94.1 | 199.73 | 392,775 | 392,748 | 417,577 | 19,208 |
| 2 days ago | 2026-10-11 | 94.1 | 199.75 | 393,159 | 393,132 | 417,577 | 19,218 |
| 1 week ago | 2026-10-06 | 94.7 | 199.87 | 395,469 | 395,442 | 417,577 | 19,283 |
| 1 month ago | 2026-09-13 | 94.8 | 199.89 | 395,855 | 395,828 | 417,577 | 19,294 |
| 3 months ago | 2026-07-13 | 98.9 | 200.76 | 412,846 | 412,819 | 417,577 | 19,765 |
| 6 months ago | 2026-04-13 | 95.0 | 199.93 | 396,627 | 396,600 | 417,577 | 19,316 |
| 1 year ago | 2025-10-13 | 96.2 | 200.19 | 401,668 | 401,641 | 417,577 | 19,456 |
*
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 | 2026-10-13 17:15 | 199.74 | 201.00 | -1.26 |
| 1 hour prior | 2026-10-13 16:15 | 199.73 | 201.00 | -1.27 |
| 2 hours prior | 2026-10-13 15:15 | 199.73 | 201.00 | -1.27 |
| 6 hours prior | 2026-10-13 11:15 | 199.72 | 201.00 | -1.28 |
| 12 hours prior | 2026-10-13 05:15 | 199.72 | 201.00 | -1.28 |
| 24 hours prior | 2026-10-12 17:15 | 199.73 | 201.00 | -1.27 |
| 48 hours prior | 2026-10-11 17:15 | 199.76 | 201.00 | -1.24 |
*
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 |