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EPA's Region 6 Office

Serving: Arkansas, Louisiana, New Mexico, Oklahoma, Texas, and 66 Tribal Nations

Sole Source Aquifer Designation Citations


Water Quickfinder
EPA REGION 6
  1. Edwards Underground Reservoir
    40 FR 58344 12/16/75

  2. Chicot Aquifer System
    53 FR 20893 06/07/88

  3. Austin-Area Edwards Aquifer
    53 FR 20897 06/07/88

  4. Southern Hills Aquifer System
    53 FR 25538 07/07/88

  5. Arbuckle-Simpson Aquifer
    54 FR 39230 09/25/89

  6. Española Basin Aquifer System
    73 FR 8518-1 01/22/08
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