Proctor Lake: 69.1% full as of 2026-08-27
Historical Data
| Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
|---|---|---|---|---|---|---|---|
| Most recent | 2026-08-27 | 69.1 | 1,158.01 | 37,828 | 37,828 | 54,762 | 3,791 |
| 1 day prior | 2026-08-26 | 69.4 | 1,158.06 | 38,018 | 38,018 | 54,762 | 3,802 |
| 2 days prior | 2026-08-25 | 69.7 | 1,158.10 | 38,170 | 38,170 | 54,762 | 3,811 |
| 1 week prior | 2026-08-20 | 71.6 | 1,158.37 | 39,207 | 39,207 | 54,762 | 3,868 |
| 1 month prior | 2026-07-27 | 80.2 | 1,159.54 | 43,902 | 43,902 | 54,762 | 4,190 |
| 3 months prior | 2026-05-27 | 78.1 | 1,159.26 | 42,742 | 42,742 | 54,762 | 4,092 |
| 6 months prior | 2026-02-27 | 76.6 | 1,159.06 | 41,929 | 41,929 | 54,762 | 4,033 |
| 1 year prior | 2025-08-27 | 94.1 | 1,161.29 | 51,531 | 51,531 | 54,762 | 4,494 |
*
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 | 2026-08-27 23:30 | 1,157.96 | 1,162.00 | -4.04 |
| 1 hour prior | 2026-08-27 22:30 | 1,157.98 | 1,162.00 | -4.02 |
| 2 hours prior | 2026-08-27 21:30 | 1,157.99 | 1,162.00 | -4.01 |
| 6 hours prior | 2026-08-27 17:30 | 1,158.00 | 1,162.00 | -4.00 |
| 12 hours prior | 2026-08-27 11:30 | 1,158.01 | 1,162.00 | -3.99 |
| 24 hours prior | 2026-08-26 23:30 | 1,158.04 | 1,162.00 | -3.96 |
| 48 hours prior | 2026-08-25 23:30 | 1,158.07 | 1,162.00 | -3.93 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1963-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 1,128.00 ft above NGVD29 |
| Service spillway crest elevation | 1,162.00 ft above NGVD29 |
| Top of flood gate elevation | 1,197.00 ft above NGVD29 |
| Emergency spillway crest elevation | 1,197.00 ft above NGVD29 |
| Flood pool elevation | 1,197.00 ft above NGVD29 |
| Maximum design elevation | 1,201.00 ft above NGVD29 |
| Top of dam elevation | 1,206.00 ft above NGVD29 |
| Conservation pool elevation | 1,162.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
2002-07-01 (source: TWDB)
: GIS Data
2012-02-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08099400 |
| USGS Monitoring Location | USGS:08099400 |