SAWS: Master Implementation PLan
Aquifer Beaker

Edwards Aquifer

Aquifer Level 679.8'
7/15/19 - Official

The Edwards aquifer and its catchment area in the San Antonio region is about 8,000 square miles and includes all or part of 13 counties in south-central Texas.

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Year-Round Watering Hours

Watering with an irrigation system or sprinkler is allowed any day of the week before 11 a.m. or after 7 p.m.

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Aquifer Level 679.8 | Year-Round Watering Hours

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Mitchell Lake

Master Implementation Plan

Completed in April 2000, the purpose of the Mitchell Lake Master Implementation Plan is to implement the goals established by the SAWS Board of Trustees through the creation of a world-class wildlife refuge and a significant environmental experience for all ratepayers.

For complete details about the Mitchell Lake Master Implementation Plan, download the full 115-page document.
(Adobe PDF - 3.5 MB)

Need the free Adobe® Reader® for PDF files? Click here.

SAWS Board of Trustees has committed the organization to seeing that Mitchell Lake realizes its true potential of becoming an asset to the community. In 1996, the SAWS Board generated a series of overarching goals for a master plan:

SAWS feels that the concepts and guiding principles contained in the goals below accomplish the wish that SAWS has to share this valuable resource with the community without compromising the needs of the abundant species found at the site or SAWS' responsibility to enhance water resources in our region.

  1. To enhance wildlife diversity at Mitchell Lake/Chavaneaux Gardens through proactive ecological management strategies.
  2. To share Mitchell Lake/Chavaneaux Gardens with the community and other without compromising the needs of the species found at the site.
  3. To maintain Mitchell Lake as an integral part of the SAWS water program.
  4. To continue to review, and when feasible, implement cost effective strategies that improve water quality for Mitchell Lake/Chavaneaux Gardens that will benefit water programs and the wetlands.
  5. To encourage and facilitate partnerships between SAWS, universities, schools, and other organizations in order to promote invaluable and unique opportunities to contribute to research regarding local water resources and the natural world. To provide opportunities for the development of expertise for the management of Mitchell Lake/Chavaneaux Gardens.
  6. To continue to provide a mechanism for public review and input for major decisions and activities affecting Mitchell Lake/Chavaneaux Gardens.
  7. To continue SAWS commitment to south San Antonio and the greater community through the promotion of Mitchell Lake/Chavaneaux Gardens as a premier wildlife sanctuary.
  8. To continue to foster SAWS commitment to providing educational opportunities for school age children and adults."