Aquifer Beaker

Edwards Aquifer

Aquifer Level 658.4'
8/21/17 - 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 658.4 | Stage 1: Water once a week


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Learning Lab

Explore the Learning Lab and discover a place where water comes to life through games, activities, lessons and resources!


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Lessons & Activities

Experiments, problem solving activities and research topics suitable for home or school projects.

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This resource guide has been created to provide you with background information on water and the water issues facing our region.

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