Aquifer Beaker

Edwards Aquifer

Aquifer Level 656.7'
7/21/17 - 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 656.7 | Stage 1: Water once a week

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Mitchell Lake

More Environmental Programs

The Mitchell Lake reclamation project is just one of many efforts by SAWS that exhibits a sincere commitment to water quality and environmental stewardship.

  • Water Quality
    SAWS' long-term commitment to providing our customers with excellent drinking water has been proven through the years. Since 1936, SAWS has been rated a superior water system by the state.
  • Water Resource Protection
    To help ensure compliance with environmental regulations, SAWS monitors all new development over the Edwards Recharge Zone in Bexar County. In addition, we oversee the drilling and capping of water wells, monitor stormwater runoff, and participate in many other efforts to protect our lakes, rivers and streams.
  • Water Recycling
    Each day, SAWS treats millions of gallons of wastewater to near-drinking quality standards. Now a portion of that water is being pumped back into the city for industrial use and large-scale landscape irrigation.
  • Education
    SAWS produces teaching materials, conducts educator training and sponsors special learning events that impact thousands of students and their teachers each year. Environmental responsibility is one of the key principles stressed throughout.