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      glossary

      Area Water Index

      Area Index

      Today's Reading

      Medina Reservoir Elevation 969.57
      Medina Reservoir Storage Acre Feet 5,332
      Diversion Reservoir Elevation 906.3

      Provisional Daily water readings as of 9:00 AM Last updated on May 1, 2025

      Water Conversion

      1 Cubic Foot = 7.48 Gallons
      1 Acre Inch = 27,154 Gallons
      1 Acre Foot = 325,851 Gallons
      3 CFS = 1 Head
      3 CFS = 1,350 GPM
      1 Head of Water = 1,350 GPM
      1 Head of Water = 1,944,000 gallons per day
      1 Head in 24 hrs on 3 acres = 23.86"
      1 Head = 5.96 acre-feet in 24 hrs
      1 Head = 4" per acre in 1hr 20min
      1 Head = 4" per acre on 3 acres in 4hrs
      1 Head = 4" on 18 acres in 24hrs

      Water Usage

      Water For
      Month
      YTD
      Municipal Usage 0 0
      Irrigation Usage Acre Feet 0.00 0.00

      Last updated on May 2025

      Contact Us

      BMA Main Office
      2107 Hwy 132
      Natalia, Texas 78059

      Mailing Address:
      P.O. Box 170
      Natalia, Texas 78059

      Customer Service & Information
      Tel: 830.665.2132

      Office Hours

      We are open Monday - Friday
      from 8:00AM - 4:30PM.
      Our office is Closed Saturday & Sunday.

      *If you need to reach us during after hours, please call or email us. We will get back to you as soon as possible.

      Our Policies

      • Exclusion Policy
      • Canal Crossing Policy
      • Water Sales and Delivery

      Helpful Links

      • USGS
      • Bexar County
      • Medina County
      • Bandera County
      • Medina Lake Water Level
      • Texas Weekly Drought Report
      © 2015 Bexar Medina Atascosa Water Control and Improvement District 1. All Rights Reserved. How High Creative.
        • The Dam Canal Gates Are Currently Closed!