Medina Lake: 5.7% full as of 2025-10-09

The elevation-storage rating curve used to produce the storage hydrograph is made of two segments: (1) the segment up to the conservation pool top (below the red line) is based on measured data, and (2) the segment in the flood pool (above the red line) is an extrapolation from the first segment and shouldn't be relied upon for flood storage information.

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 2025-10-09 5.7 982.59 14,474 14,474 254,823 875
Yesterday 2025-10-08 5.7 982.61 14,492 14,492 254,823 876
2 days ago 2025-10-07 5.7 982.65 14,527 14,527 254,823 877
1 week ago 2025-10-02 5.8 982.87 14,721 14,721 254,823 884
1 month ago 2025-09-09 6.1 983.89 15,639 15,639 254,823 918
3 months ago 2025-07-09 5.1 980.74 12,904 12,904 254,823 823
6 months ago 2025-04-09 2.2 969.97 5,530 5,530 254,823 533
1 year ago 2024-10-09 3.0 973.42 7,557 7,557 254,823 637
*

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 2025-10-09 00:00 982.59 1,064.20 -81.61
1 hour prior 2025-10-08 23:00 982.59 1,064.20 -81.61
2 hours prior 2025-10-08 22:00 982.59 1,064.20 -81.61
6 hours prior 2025-10-08 18:00 982.60 1,064.20 -81.60
12 hours prior 2025-10-08 12:00 982.61 1,064.20 -81.59
24 hours prior 2025-10-08 00:00 982.63 1,064.20 -81.57
48 hours prior 2025-10-07 00:00 982.67 1,064.20 -81.53
*

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

Lake Location