SAWS SWI Field Investigations
Aquifer Beaker

Edwards Aquifer

Aquifer Level 662.6'
11/17/17 - 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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Year-Round Watering Hours

Watering with an irrigation system or sprinkler is allowed any day of the week before 11 a.m. or after 7 p.m.

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Aquifer Level 662.6 | Year-Round Watering Hours


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SWI Field Investigations

Let's get out and learn!

Down the Drain: Investigating Water After the Flush

What happens to San Antonio's water after it is flushed? Learn about our wastewater system as you take a bus tour of SAWS' largest treatment facility.

Time: 2 hours

Grades: 6-8

Requirements: Transportation to the field trip site must be provided by the school; group sizes are limited to one bus. Tours are conducted on Thursdays and subject to availability.