Aquifer Beaker

Edwards Aquifer

Aquifer Level 629.2'
9/15/14 - 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 2:
Water On Your Day

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

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Aquifer Level 629.2 | Stage 2: Water On Your Day

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New Water Resources

2012 Water Management Plan

New Strategies and Supplies to Secure San Antonio's Water Future

Desal Well
SAWS contractors drilling a groundwater desal well in south Bexar County.

The updated plan addresses the city's future needs by calling for investment in new supplies and a continued commitment to water conservation. By implementing the plan, a work in progress, San Antonio can help secure its health, safety and economic viability for decades to come.

New supplies also will help make San Antonio's drought restrictions more flexible in the future without sacrificing a deep commitment to the efficient use of water.

Why Change Our Water Plan?

San Antonio's water management plan was last updated in 2009. Since then, several demographic, political and environmental changes have occurred, making it prudent to update the plan sooner than the usual five year interval. These include:

  • Changing population
    Updated population figures from the 2010 U.S. Census allow growth projections to be fine-tuned.
  • BexarMet integration
    The additional demand of a utility the size of Corpus Christi must now be factored into long-term water planning.
  • Endangered species protection
    Adoption of a regional Edwards Aquifer Recovery Implementation Program brings unprecedented certainty to the long-term availability of our cornerstone water supply.
  • Increased underground storage
    The Twin Oaks Aquifer Storage & Recovery has been expanded far beyond its original design capacity, allowing San Antonio to store more excess "wet season" water for use during drought.

Next:   New Supplies to Secure San Antonio's Future