Lake Conroe: 97.4% full as of 2026-08-13
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 | 2026-08-13 | 97.4 | 200.45 | 406,745 | 406,718 | 417,577 | 19,597 |
| Yesterday | 2026-08-12 | 97.5 | 200.47 | 407,137 | 407,110 | 417,577 | 19,608 |
| 2 days ago | 2026-08-11 | 97.5 | 200.48 | 407,333 | 407,306 | 417,577 | 19,613 |
| 1 week ago | 2026-08-06 | 98.1 | 200.60 | 409,690 | 409,663 | 417,577 | 19,678 |
| 1 month ago | 2026-07-13 | 98.9 | 200.76 | 412,846 | 412,819 | 417,577 | 19,765 |
| 3 months ago | 2026-05-13 | 97.4 | 200.45 | 406,745 | 406,718 | 417,577 | 19,597 |
| 6 months ago | 2026-02-13 | 94.4 | 199.81 | 394,313 | 394,286 | 417,577 | 19,251 |
| 1 year ago | 2025-08-13 | 98.1 | 200.60 | 409,690 | 409,663 | 417,577 | 19,678 |
*
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 | 2026-08-13 07:15 | 200.45 | 201.00 | -0.55 |
| 1 hour prior | 2026-08-13 06:15 | 200.45 | 201.00 | -0.55 |
| 2 hours prior | 2026-08-13 05:15 | 200.45 | 201.00 | -0.55 |
| 6 hours prior | 2026-08-13 01:15 | 200.45 | 201.00 | -0.55 |
| 12 hours prior | 2026-08-12 19:15 | 200.46 | 201.00 | -0.54 |
| 24 hours prior | 2026-08-12 07:15 | 200.47 | 201.00 | -0.53 |
| 48 hours prior | 2026-08-11 07:15 | 200.48 | 201.00 | -0.52 |
*
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
