Aquifer Beaker

Edwards Aquifer

Aquifer Level 656.6'
7/30/15 - 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 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 656.6 | Stage 1: Water once a week

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Conservation

Stage 1

Recent changes to the city's conservation ordinance are highlighted below:

Stage 1 restrictions begin when the 10-day rolling average of the Edwards Aquifer level drops to 660 feet mean sea level at the monitored well. Coming out of drought stages can be considered 15 days after the aquifer is above the trigger.

  • All residential fountains and indoor commercial fountains can operate at any stage of drought. Outdoor commercial fountains must have a SAWS variance in order to operate during drought stages 1 through 4.

  • Watering with an irrigation system, sprinkler or soaker hose is allowed only once a week before 11 a.m. or after 7 p.m. on your designated watering day.
  • Water waste is prohibited at all times. Water waste includes allowing water to run off into a gutter, ditch, or drain; or failing to repair a controllable leak.
  • Watering days begin and end at midnight; overnight watering is not allowed.
  • You should reduce water consumption by any means available.
  • All non-public swimming pools must have a minimum of 25 percent of the surface area covered with evaporation screens when not in use. Inflatable pool toys or floating decorations may be used.
  • Hand watering with a hand-held hose, drip irrigation, bucket or watering can is permitted any time and any day.
  • Washing impervious cover such as parking lots, driveways, streets or sidewalks is prohibited. Health and safety exceptions to this rule may be requested from SAWS here.
  • Residential car washing allowed during drought once per week on Saturday or Sunday as long as there is no water waste.
  • The use of SAWS-certified commercial car wash facilities is allowed any day.
  • Operators of golf courses, athletic fields and parks must submit a conservation plan to SAWS. For submittal requirements operators should contact SAWS Conservation Department at 210-704-SAVE. Golf courses, athletic fields and parks may not irrigate between the hours of 10 a.m. and 8 p.m.
  • Landscape areas on golf courses not directly "in play" are required to follow one-day-per-week watering based on address unless otherwise instructed by SAWS.

Water for Generations

San Antonio's cheapest source of water is conservation — water we don't use. That's why our proven conservation programs have become a cornerstone of the community's long-term water management and supply strategy.

With your help, we can keep SAWS rates among the lowest in the nation, while managing tomorrow's water today.