Aquifer Beaker

Edwards Aquifer

Aquifer Level 634.5'
12/23/14 - 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 634.5 | Stage 2: Water On Your Day

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Current Water Supply Projects

Current Water Supply Projects

Affordable. Sustainable. Diversified.

Just a few years ago, San Antonio was totally dependent on day-to-day pumping from the Edwards Aquifer for the city's water needs. Now, as a result of extensive planning and funding through the Water Supply Fee, SAWS is working to secure San Antonio's water future.

SAWS is moving forward with water supply projects that provide ratepayers with the most viable and affordable options to secure current and future water supplies. These project recommendations are outlined in the 2012 Water Management Plan. The plan, which includes population projections, per capita consumption estimates, aggregate demand forecasts and supply development options, outlines strategies to:

  • Provide adequate water supplies, even during critical drought periods.
  • Postpone dependence on more costly resource supplies.
  • Promote greater use of non-Edwards Aquifer supplies in the long-term.
  • Recognize the reality that future supplies must be affordable.
Existing Water Resources
Edwards Aquifer Trinity Aquifer
Twin Oaks Aquifer Storage and Recovery Canyon Lake
Recycled Water Carrizo Aquifer
Medina Lake Lake Dunlap/Wells Ranch

Water Projects Underway
Brackish Groundwater Desalination

Proposed Future Water Supplies
Expanded Local Carrizo Vista Ridge Pipeline

Conceptual Long-Term Water Solutions
Ocean Water Desalination Additional ASR
New Future Conservation Paradigms Future Regional Water Supply
Brackish Groundwater Desalination Expansion

For additional information, contact Water Resources at 210-233-3670.