Proctor Lake: 62.0% full as of 2026-09-16

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 2026-09-16 62.0 1,156.94 33,959 33,959 54,762 3,375
1 day prior 2026-09-15 62.4 1,157.00 34,162 34,162 54,762 3,408
2 days prior 2026-09-14 62.7 1,157.05 34,334 34,334 54,762 3,436
1 week prior 2026-09-09 64.5 1,157.33 35,315 35,315 54,762 3,569
1 month prior 2026-08-16 73.0 1,158.57 39,984 39,984 54,762 3,910
3 months prior 2026-06-16 75.6 1,158.93 41,407 41,407 54,762 3,997
6 months prior 2026-03-16 77.5 1,159.19 42,456 42,456 54,762 4,071
1 year prior 2025-09-16 88.0 1,160.54 48,202 48,202 54,762 4,386
*

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 2026-09-17 03:30 1,156.91 1,162.00 -5.09 below flood pool
1 hour prior 2026-09-17 02:30 1,156.92 1,162.00 -5.08 below flood pool
2 hours prior 2026-09-17 01:30 1,156.92 1,162.00 -5.08 below flood pool
6 hours prior 2026-09-16 21:30 1,156.92 1,162.00 -5.08 below flood pool
12 hours prior 2026-09-16 15:30 1,156.94 1,162.00 -5.06 below flood pool
24 hours prior 2026-09-16 03:30 1,156.96 1,162.00 -5.04 below flood pool
48 hours prior 2026-09-15 03:30 1,157.02 1,162.00 -4.98 below flood pool
*

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

Lake Location