Aquifer Beaker

Edwards Aquifer

Aquifer Level 660.7'
11/25/15 - 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 660.7 | Stage 2: Water On Your Day


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Mini Grants

Mini-Grant funds for 2015 have been fully allocated. We will begin accepting applications for
Spring 2016 on Dec. 1 (8 a.m.).

Please note: When using the Application PDF Form, you must save the form under another name and email that copy back.

Schools Within the SAWS Service Area are Eligible to Apply

Apply today!

Submit applications to:

SAWS Mini-Grant Program
c/o Lynne Christopher
San Antonio Water System
2800 U.S. Hwy 281 North
San Antonio, TX 78212

Submit by email:

Submit by fax: 210-233-5131

Download Application
108 KB Adobe PDF File

Need the free Adobe® Reader® for PDF files? Click here.

San Antonio Water System is pleased to offer a Mini-Grant Program to subsidize field trip programs that educate pre-kindergarten through 12th-grade students on topics of water quality, water conservation, environmental awareness and pollution prevention. Please check the list of approved field trip destinations below for eligible programs.

Mini-Grant funds can be used for transportation reimbursement, admission costs, workshop costs and substitute teacher costs up to $1,000, one per teacher, one per calendar year. Any school/organization within the SAWS service area is welcome to apply for a Mini Grant.

Approved field-trip destinations/ programs include:

The Witte Museum

  • Water Where You Want It
  • River to Sink: What's in My Drink
  • Our Dynamic River

San Antonio Botanical Garden

  • Terrarium Ecosystem Program

Medina River Natural Area

  • Natural Area Guided Tour

San Antonio Missions

  • Park Ranger Guided Tour

San Antonio Water System

  • Down the Drain: Exploring Water After the Flush
  • Confluence

Mitchell Lake Audubon Center

  • Wet & Wild
  • Earth & Sky

The Doseum

Natural Bridge Caverns

  • Guided Cavern Tour

Government Canyon

  • Guided Tour

For additional information or questions, call 210-233-3626.