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.
|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|
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.
Aquifer Level 646.0 | Stage 2: Water On Your Day