Lake Conroe: 95.2% full as of 2026-09-09
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 | 2026-09-09 | 95.2 | 199.97 | 397,400 | 397,373 | 417,577 | 19,337 |
| Yesterday | 2026-09-08 | 95.2 | 199.98 | 397,594 | 397,567 | 417,577 | 19,343 |
| 2 days ago | 2026-09-07 | 95.3 | 200.00 | 397,981 | 397,954 | 417,577 | 19,354 |
| 1 week ago | 2026-09-02 | 95.3 | 200.00 | 397,981 | 397,954 | 417,577 | 19,354 |
| 1 month ago | 2026-08-09 | 97.8 | 200.53 | 408,314 | 408,287 | 417,577 | 19,640 |
| 3 months ago | 2026-06-09 | 99.1 | 200.81 | 413,835 | 413,808 | 417,577 | 19,792 |
| 6 months ago | 2026-03-09 | 94.9 | 199.91 | 396,241 | 396,214 | 417,577 | 19,305 |
| 1 year ago | 2025-09-09 | 99.7 | 200.93 | 416,213 | 416,186 | 417,577 | 19,857 |
*
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 | 2026-09-09 13:15 | 199.98 | 201.00 | -1.02 |
| 1 hour prior | 2026-09-09 12:15 | 199.98 | 201.00 | -1.02 |
| 2 hours prior | 2026-09-09 11:15 | 199.98 | 201.00 | -1.02 |
| 6 hours prior | 2026-09-09 07:15 | 199.96 | 201.00 | -1.04 |
| 12 hours prior | 2026-09-09 01:15 | 199.97 | 201.00 | -1.03 |
| 24 hours prior | 2026-09-08 13:15 | 199.99 | 201.00 | -1.01 |
| 48 hours prior | 2026-09-07 13:15 | 200.00 | 201.00 | -1.00 |
*
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
