Aquifer Beaker

Edwards Aquifer

Aquifer Level 656.7'
7/20/17 - 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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Education

Become a Student Water Investigator

SWI

Put your best detective skills to work while you investigate the properties of water, explore groundwater and examine the community water cycle! This fun and exciting program, developed specifically for middle school students features classroom modules, field investigations and school presentations that help your students learn about water issues in their community and inspires them to take action!

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SWI Classroom Modules

Use your best detective skills to investigate water properties, explore groundwater and examine the community water cycle.

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Field Investigations

Field-based opportunities for students to learn how our water goes from rain to the drain.

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Presentations

Our themed presentations cover a variety of water topics designed for students in sixth through eighth grades.

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Program Coordinator's Portal

This coordinator's portal allows you to access new materials, receive program updates and order replacement supplies.