SAWS News: San Antonio Returns to Drought Restrictions
Aquifer Beaker

Edwards Aquifer

Aquifer Level 664.9'
12/11/17 - 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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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.

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Aquifer Level 664.9 | Year-Round Watering Hours

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San Antonio Returns to Drought Restrictions

San Antonio’s break from drought restrictions is over for now. This year’s heavy rains provided significant recharge for the Edwards Aquifer, but levels couldn’t be maintained during the summer and the 10-day average has dropped to 659.5, requiring a return to Stage 1 water restrictions effective Friday, July 31.

Per City ordinance, City Manager Sheryl Sculley in consultation with Robert R. Puente, president/CEO of San Antonio Water System, declared Stage 1 management rules are in effect.

Stage 1 of the city’s drought plan is triggered when the 10-day average of the Edwards Aquifer at the J-17 monitoring well drops to 660 feet or below. According to the city’s Aquifer Management Plan ordinance, coming out of drought stages can be considered 15 days after the aquifer is above the trigger.

“While the rain we received earlier this year greatly improved aquifer levels, it wasn’t enough to completely remove the prospect of drought restrictions,” Puente said. “We have an ample supply of water from the Edwards and six other sources, but state law requires us to cut back on pumping when the Edwards Aquifer reaches certain levels.”

Under Stage 1, outdoor watering with a sprinkler or irrigation system is allowed only before 11 a.m. and after 7 p.m., one day per week, as determined by the last number of your street address:

0 or 1 – Monday
2 or 3 – Tuesday
4 or 5 – Wednesday
6 or 7 – Thursday
8 or 9 – Friday

Watering days begin and end at midnight; overnight watering is not allowed. Water waste, such as water running down the street, is prohibited year-round. However, watering with a handheld hose is still allowed any day, any time.

 

See TCEQ Notice (pdf) for more details.

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