Aquifer Beaker

Edwards Aquifer

Aquifer Level 627.8'
8/19/14 - 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 627.8 | Stage 2: Water On Your Day

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Drought Restrictions

Drought Restrictions

San Antonio Water System uses drought restrictions, established by city ordinance, to proactively manage the region's water resources. The restrictions limit water use based on specific levels of the Edwards Aquifer.

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Learn About the 2014 Conservation Ordinance

In 2014, an update to the ordinance was approved to help better align conservation goals with population growth and long-term water supply strategies.

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Year-Round

Year-Round watering restrictions are in effect when the Edwards Aquifer level is above 660 feet mean sea level at the monitored well.

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Stage 1

Stage 1 begins when the aquifer level reaches 660 feet mean sea level at the monitored well.

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Stage 2

Stage 2 begins when the aquifer level reaches 650 feet mean sea level at the monitored well. Watering with an irrigation system or sprinkler is allowed only once a week from 7-11 a.m. and 7-11 p.m.

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Irrigation Head

Stage 3

Stage 3 begins when the aquifer level reaches 640 feet mean sea level at the monitored well. Landscape watering is allowed only EVERY OTHER WEEK, from 7-11 a.m. and 7-11 p.m.

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Stage 4

Stage 4 restrictions may be declared at the discretion of the City Manager upon completion of a 30-day monitoring period following Stage 3 declaration.

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