Medina Lake: 28.6% full as of 2026-10-12

Historical Data

Date Percent Full Mean Water Level
(ft) 		Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft) 		Surface Area
(acres)
Most recent 2026-10-12 28.6 1,020.58 72,875 72,875 254,823 2,447
1 day prior 2026-10-11 28.6 1,020.62 72,973 72,973 254,823 2,450
2 days prior 2026-10-10 28.7 1,020.66 73,071 73,071 254,823 2,452
1 week prior 2026-10-05 28.8 1,020.81 73,439 73,439 254,823 2,463
1 month prior 2026-09-12 29.4 1,021.38 74,854 74,854 254,823 2,502
3 months prior 2026-07-12 9.1 991.20 23,104 23,104 254,823 1,121
6 months prior 2026-04-12 3.8 976.73 9,805 9,805 254,823 720
1 year prior 2025-10-12 5.6 982.37 14,282 14,282 254,823 869
*

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 2026-10-12 23:45 1,020.57 1,064.20 -43.63
1 hour prior 2026-10-12 22:45 1,020.57 1,064.20 -43.63
2 hours prior 2026-10-12 21:45 1,020.57 1,064.20 -43.63
6 hours prior 2026-10-12 17:45 1,020.58 1,064.20 -43.62
12 hours prior 2026-10-12 11:45 1,020.59 1,064.20 -43.61
24 hours prior 2026-10-11 23:45 1,020.59 1,064.20 -43.61
48 hours prior 2026-10-10 23:45 1,020.64 1,064.20 -43.56
*

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