Medina Lake: 27.9% full as of 2026-10-23

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 2026-10-23 27.9 1,019.83 71,060 71,060 254,823 2,394
Yesterday 2026-10-22 28.0 1,019.94 71,323 71,323 254,823 2,401
2 days ago 2026-10-21 28.1 1,020.06 71,612 71,612 254,823 2,410
1 week ago 2026-10-16 28.5 1,020.43 72,508 72,508 254,823 2,436
1 month ago 2026-09-23 28.9 1,020.87 73,587 73,587 254,823 2,467
3 months ago 2026-07-23 28.3 1,020.32 72,241 72,241 254,823 2,428
6 months ago 2026-04-23 3.9 976.86 9,899 9,899 254,823 724
1 year ago 2025-10-23 5.4 981.85 13,834 13,834 254,823 854
*

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 2026-10-23 10:00 1,019.77 1,064.20 -44.43
1 hour prior 2026-10-23 09:00 1,019.78 1,064.20 -44.42
2 hours prior 2026-10-23 08:00 1,019.78 1,064.20 -44.42
6 hours prior 2026-10-23 04:00 1,019.81 1,064.20 -44.39
12 hours prior 2026-10-22 22:00 1,019.86 1,064.20 -44.34
24 hours prior 2026-10-22 10:00 1,019.95 1,064.20 -44.25
48 hours prior 2026-10-21 10:00 1,020.06 1,064.20 -44.14
*

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