Welcome to BMA

Conservation Projects

Medina Reservoir was constructed from 1911-1912 as an irrigation reservoir. An extensive canal system delivers water by gravity flow to 33,000 acres of irrigated farmland below the Balcones escarpment around Castroville, La Coste, Natalia, and Devine.

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Water Issues

BMA is well aware of problems facing the Reservoir system and will be posting educational information on our website. Water quality is a very important issue as it relates to the state water impounded by the Medina/Diversion Reservoir system.

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Our History

Deeply Rooted in the Golden Valley of Medina

BMA’s history is fascinating. From the Medina Dam project, to the countless miles of irrigation canals, our story is embedded into our surrounding communities.

Our History

What’s New!

B.M.A. will frequently update our site with news and information regarding operations, meetings and any policy changes. If you have a story you would like to submit along with photos, please contact us. We would love to share your story!

August 5, 2022
August 5, 2022
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Public Notice – August 5, 2022

Notice is hereby given that the Board Of Directors of the Bexar-Medina-Atascosa Counties WCID #1 will convene in a regular monthly board meeting on Monday, August 8TH , 2022 AT […]
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July 6, 2022
July 6, 2022
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Public Notice – July 6, 2022

Public Notice July 6, 2022                                                                                                                     Notice is hereby given that the Board Of Directors of the Bexar-Medina-Atascosa Counties WCID #1 will convene in a regular monthly board meeting […]
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June 9, 2022
June 9, 2022
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Public Notice – June 9, 2022

Notice is hereby given that the Board Of Directors of the Bexar-Medina-Atascosa Counties WCID #1 will convene in a regular monthly board meeting on Monday, June 13TH , 2022 AT […]
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May 12, 2022
May 12, 2022
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Public Notice – May 12, 2022

PUBLIC NOTICE May 12, 2022                                                                                                                       NOTICE IS HEREBY GIVEN THAT THE BOARD OF DIRECTORS OF THE BEXAR-MEDINA-ATASCOSA COUNTIES WCID #1 WILL CONVENE IN A SPECIAL CALLED MEETING ON […]
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May 7, 2022
May 7, 2022
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SUMMARY OF PRECINCT RETURNS

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May 4, 2022
May 4, 2022
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PUBLIC NOTICE – MAY 4, 2022

Notice is hereby given that the Board Of Directors of the Bexar-Medina-Atascosa Counties WCID #1 will convene in a regular monthly board meeting on Monday, May 9TH , 2022 AT […]
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