SAWS: Conceptual Long-Term Projects
Aquifer Beaker

Edwards Aquifer

Aquifer Level 657.8'
9/19/17 - 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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Landscape Watering
Last Digit of Address Watering Day
0 or 1 Monday
2 or 3 Tuesday
4 or 5 Wednesday
6 or 7 Thursday
8 or 9 Friday
No Watering on Weekends

Stage 1:
Water once a week

Watering with an irrigation system or sprinkler is allowed only once a week before 11 a.m. or after 7 p.m. on your designated watering day as determined by your address.

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Aquifer Level 657.8 | Stage 1: Water once a week

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Conceptual Long-Term Projects

Conceptual Long-Term Projects

Planning for San Antonio's Water Future

Long-term planning (2040 - 2070) requires SAWS to make water supply and water use projections based on the best information available today.

SAWS will continue to evaluate new technology and new information such as population growth, water demand and the changing water regulatory setting with an eye toward securing our water future.

Like with all plans, there are sometimes unforeseen factors. Even developing our full slate of planned projects, it's possible that there could be up to 101,000 acre-feet of permitted supply gap (when estimated demand exceeds the estimated supply) in the worst year of a future drought of record event that would need to be addressed.

Some conceptual solutions to address that supply gap include:

  • Ocean desalination
  • Expansion of brackish groundwater desalination
  • Additional ASR capacity or ASR operations
  • New future conservation paradigms
  • Future regional water project(s) (RFCSP)