SAWS: Advanced Statistics Search
Aquifer Beaker

Edwards Aquifer

Aquifer Level 645.3'
8/20/18 - 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 »


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.

Learn More »


Aquifer Level 645.3 | Stage 2: Water On Your Day

Log In

Pay Your Bill Online

Already registered? Log in now.

Forgot your password?

New User

My Account Page

No user account? No problem.

Sign Up Now

Aquifer Level & Statistics

Advanced Statistics Search

Our statistics database includes records dating back to 1885. Use the form below to create your own search queries of the categories listed. Please note that not all categories include uninterrupted daily readings for the entire period.

The starting years for the various categories are:

  • 1885 - Precip & Temp
  • 1927 - Springflow Comal
  • 1932 - Level Bexar
  • 1940 - Level Uvalde
  • 1956 - Springflow San Marcos
  • 1970 - Pumpage
  • 1986 - Level Medina
  • 1989 - Pumpage Peak

 Search Water Statistics By: (check all that apply) 
Daily Pumpage Temp Springflow San Marcos Level Bexar
Peak Hourly Rate Precip Springflow Comal Level Uvalde
            Level Medina
 Date Range:
From:     To:

Average the Results:    

Note: A date range of more than one year can take several minutes to process. Please be patient.