Lake Conroe: 95.8% full as of 2026-08-26
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 | 2026-08-26 | 95.8 | 200.11 | 400,113 | 400,086 | 417,577 | 19,413 |
| Yesterday | 2026-08-25 | 95.9 | 200.13 | 400,501 | 400,474 | 417,577 | 19,424 |
| 2 days ago | 2026-08-24 | 96.0 | 200.15 | 400,890 | 400,863 | 417,577 | 19,435 |
| 1 week ago | 2026-08-19 | 96.7 | 200.29 | 403,616 | 403,589 | 417,577 | 19,510 |
| 1 month ago | 2026-07-26 | 99.5 | 200.89 | 415,420 | 415,393 | 417,577 | 19,835 |
| 3 months ago | 2026-05-26 | 98.9 | 200.76 | 412,846 | 412,819 | 417,577 | 19,765 |
| 6 months ago | 2026-02-26 | 94.9 | 199.91 | 396,241 | 396,214 | 417,577 | 19,305 |
| 1 year ago | 2025-08-26 | 98.5 | 200.69 | 411,463 | 411,436 | 417,577 | 19,727 |
*
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 | 2026-08-26 00:00 | 200.11 | 201.00 | -0.89 |
| 1 hour prior | 2026-08-25 23:00 | 200.12 | 201.00 | -0.88 |
| 2 hours prior | 2026-08-25 22:00 | 200.11 | 201.00 | -0.89 |
| 6 hours prior | 2026-08-25 18:00 | 200.12 | 201.00 | -0.88 |
| 12 hours prior | 2026-08-25 12:00 | 200.14 | 201.00 | -0.86 |
| 24 hours prior | 2026-08-25 00:00 | 200.13 | 201.00 | -0.87 |
| 48 hours prior | 2026-08-24 00:00 | 200.16 | 201.00 | -0.84 |
*
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
