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Explore Real-time Water Data Using New Products from USGS TXWSC

View over 750 USGS real-time stream, lake, reservoir, precipitation, and groundwater stations in context with current weather and hazard conditions on both desktop and mobile devices.

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USGS 08179500 Medina Lk nr San Antonio, TX


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Funding for this site is provided by the cooperators / programs below:
Click to go to the Bexar-Medina-Atascosa counties, Texas, Water Control and Improvement District 1 web page

Bexar-Medina-Atascosa counties, Texas, Water Control and Improvement District 1

Click to go to the Cooperative Matching Funds web page

Cooperative Matching Funds


For specific information about conservation pool elevation, current storage and percent full, access the listing of major Texas reservoirs maintained by the Texas Water Development Board here.

Rainfall Disclaimer

retransmission, forecasts and summary of this location by the National Weather Service
Retransmission, forecasts and summary by the National Weather Service

The USGS "Reservoir Conditions in Texas Page" shows reservoir stages referenced to National Geodetic Vertical Datum of 1929 (NGVD 29).

Since May, 2002, the USGS has reported the elevation of Medina Lake referenced to this datum.

The elevation of the crest of the spillway is 1,064.2 ft above NGVD 29 and the elevation of the top of the dam is 1,076.2 ft above NGVD 29. For 'local' datum, please add 7.81 ft. to the readings.

For further information or clarification please contact the South Texas Program Office Data Chief at (210) 691-9200.

For further information on the BMA or 'local' datum, please contact BMA in Natalia Texas at (830) 665-2132.

This station managed by the San Antonio Field Unit.

Available Parameters Available Period
2018-03-02  2021-03-01
2007-10-01  2021-03-01
2007-10-01  2021-03-01


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Summary of all available data for this site
Instantaneous-data availability statement

Reservoir storage, acre-feet

Most recent instantaneous value: 99260 03-01-2021   23:00 CST
Graph of  Reservoir storage, acre-feet

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