Lake Kemp: 70.1% full as of 2026-09-12

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 2026-09-12 70.1 1,138.67 172,185 172,059 245,307 9,241
Yesterday 2026-09-11 70.7 1,138.78 173,474 173,348 245,307 9,430
2 days ago 2026-09-10 71.4 1,138.97 175,273 175,147 245,307 9,514
1 week ago 2026-09-05 72.5 1,139.24 177,858 177,732 245,307 9,634
1 month ago 2026-08-12 78.7 1,140.75 193,064 192,938 245,307 10,531
3 months ago 2026-06-12 98.4 1,143.75 241,623 241,497 245,307 15,180
6 months ago 2026-03-12 97.5 1,143.60 239,351 239,225 245,307 15,105
1 year ago 2025-09-12 100.0 1,145.74 272,800 245,307 245,307 - n.a. -
*

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 2026-09-12 10:15 1,138.60 1,144.00 -5.40 below flood pool
1 hour prior 2026-09-12 09:15 1,138.61 1,144.00 -5.39 below flood pool
2 hours prior 2026-09-12 08:15 1,138.61 1,144.00 -5.39 below flood pool
6 hours prior 2026-09-12 04:15 1,138.64 1,144.00 -5.36 below flood pool
12 hours prior 2026-09-11 22:15 1,138.68 1,144.00 -5.32 below flood pool
24 hours prior 2026-09-11 10:15 1,138.80 1,144.00 -5.20 below flood pool
48 hours prior 2026-09-10 10:15 1,138.99 1,144.00 -5.01 below flood pool
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1923-01-01
Vertical datum NGVD29
Dead pool elevation 1,090.00 ft above NGVD29
Service spillway crest elevation 1,160.00 ft above NGVD29
Emergency spillway crest elevation 1,160.00 ft above NGVD29
Flood pool elevation 1,156.00 ft above NGVD29
Top of dam elevation 1,183.00 ft above NGVD29
Conservation pool elevation
Start date: 2011-01-01 		1,144.00 ft above NGVD29
Conservation pool elevation
End date: 2004-01-01 		1,144.00 ft above NGVD29
Conservation pool elevation
Start date to end date: 2004-01-01 to 2004-04-01 		1,144.00 ft above NGVD29
Conservation pool elevation
Start date to end date: 2004-04-01 to 2011-01-01 (Seasonal: April 1 to November 1)		 1,145.50 ft above NGVD29
Conservation pool elevation
Start date to end date: 2004-04-01 to 2011-01-01 (Seasonal: November 1 to April 1)		 1,144.00 ft above NGVD29
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

1995-10-01 (source: USGS)
2006-03-01 (source: TWDB) : GIS Data
Data Source USGS:07312000
USGS Monitoring Location USGS:07312000

Lake Location