Aquifer Beaker

Edwards Aquifer

Aquifer Level 665.5'
7/29/16 - 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.

Learn More »


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.

Learn More »


Aquifer Level 665.5 | Year-Round Watering Hours


Pay Your Bill Online

Username Password  
Forgot Your Password?  

New User

Register for SAWS eBill

Don't Have An Account? Get Started Now.

Sign Up Now


Mini Grants

We will begin accepting applications at 8 a.m. on Aug. 1 for trips planned for the fall of 2016.

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.