Lake Brownwood: 89.8% full as of 2026-08-11
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 | 2026-08-11 | 89.8 | 1,422.87 | 117,483 | 117,483 | 130,868 | 6,376 |
| Yesterday | 2026-08-10 | 89.9 | 1,422.90 | 117,674 | 117,674 | 130,868 | 6,382 |
| 2 days ago | 2026-08-09 | 90.1 | 1,422.94 | 117,929 | 117,929 | 130,868 | 6,390 |
| 1 week ago | 2026-08-04 | 90.9 | 1,423.11 | 119,019 | 119,019 | 130,868 | 6,425 |
| 1 month ago | 2026-07-11 | 83.9 | 1,421.63 | 109,735 | 109,735 | 130,868 | 6,121 |
| 3 months ago | 2026-05-11 | 81.9 | 1,421.20 | 107,121 | 107,121 | 130,868 | 6,032 |
| 6 months ago | 2026-02-11 | 83.1 | 1,421.46 | 108,697 | 108,697 | 130,868 | 6,086 |
| 1 year ago | 2025-08-11 | 96.5 | 1,424.22 | 126,277 | 126,277 | 130,868 | 6,654 |
*
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 | 2026-08-11 18:30 | 1,422.85 | 1,424.90 | -2.05 |
| 1 hour prior | 2026-08-11 17:30 | 1,422.86 | 1,424.90 | -2.04 |
| 2 hours prior | 2026-08-11 16:30 | 1,422.85 | 1,424.90 | -2.05 |
| 6 hours prior | 2026-08-11 12:30 | 1,422.87 | 1,424.90 | -2.03 |
| 12 hours prior | 2026-08-11 06:30 | 1,422.87 | 1,424.90 | -2.03 |
| 24 hours prior | 2026-08-10 18:30 | 1,422.89 | 1,424.90 | -2.01 |
| 48 hours prior | 2026-08-09 18:30 | 1,422.92 | 1,424.90 | -1.98 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1933-01-01 |
|
Vertical datum
|
NAVD88 |
|
Vertical datum
|
NGVD29 |
|
Dead pool elevation |
1,329.50 ft above NGVD29 |
|
Dead pool elevation |
1,405.50 ft above NGVD29 |
| Emergency spillway crest elevation | 1,425.00 ft above NAVD88 |
| Top of dam elevation | 1,470.00 ft above NAVD88 |
| Conservation pool elevation | 1,424.60 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1997-04-01 (source: TWDB)
: GIS Data
2013-06-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08143000 |
| USGS Monitoring Location | USGS:08143000 |
Lake Location
