Medina Lake: 29.9% full as of 2026-08-16

Historical Data

Date Percent Full Mean Water Level
(ft) 		Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft) 		Surface Area
(acres)
Today 2026-08-16 29.9 1,021.87 76,089 76,089 254,823 2,536
Yesterday 2026-08-15 29.9 1,021.88 76,114 76,114 254,823 2,537
2 days ago 2026-08-14 29.9 1,021.89 76,139 76,139 254,823 2,538
1 week ago 2026-08-09 29.9 1,021.89 76,139 76,139 254,823 2,538
1 month ago 2026-07-16 20.9 1,011.54 53,170 53,170 254,823 1,930
3 months ago 2026-05-16 3.8 976.62 9,726 9,726 254,823 717
6 months ago 2026-02-16 4.3 978.36 11,014 11,014 254,823 765
1 year ago 2025-08-16 6.3 984.43 16,139 16,139 254,823 936
*

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 2026-08-16 14:00 1,021.88 1,064.20 -42.32
1 hour prior 2026-08-16 13:00 1,021.88 1,064.20 -42.32
2 hours prior 2026-08-16 12:00 1,021.87 1,064.20 -42.33
6 hours prior 2026-08-16 08:00 1,021.86 1,064.20 -42.34
12 hours prior 2026-08-16 02:00 1,021.87 1,064.20 -42.33
24 hours prior 2026-08-15 14:00 1,021.91 1,064.20 -42.29
48 hours prior 2026-08-14 14:00 1,021.90 1,064.20 -42.30
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1913-01-01
Vertical datum NGVD29
Dead pool elevation 912.20 ft above NGVD29
Emergency spillway crest elevation 1,064.50 ft above NGVD29
Emergency spillway crest elevation 1,072.30 ft above NGVD29
Top of dam elevation 1,076.20 ft above NGVD29
Conservation pool elevation 1,064.20 ft above NGVD29
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

1913-01-01 (source: USGS)
1995-07-01 (source: TWDB) : GIS Data
Data Source USGS:08179500
USGS Monitoring Location USGS:08179500

Lake Location