Aquifer Beaker

Edwards Aquifer

Aquifer Level 636.8'
7/24/14 - 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 636.8 | Stage 2: Water On Your Day

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New water tank rises on General McMullen

SAWS constructs elevated tank to store two million gallons of water in west San Antonio

A new 140-foot high-rise is going up on General McMullen, but it's water — not people — that will occupy it.

Officials celebrated a milestone today in construction of the General McMullen water tank. San Antonio City Councilman David Medina joined SAWS officials to see the bowl of the tank placed on top of the tower — a meticulous process that takes more than four hours to complete.

Watch the 15 sec. time-lapse video of the General McMullen tank bowl being raised.
"While most people don't notice water tanks in their neighborhood, they are an important part of our water infrastructure that exist throughout San Antonio," said Greg Flores, SAWS vice president of public affairs. "Storage tanks are an essential part of ensuring water is available when our customers need it — particularly in emergency situations like a fire or during power outages."

The General McMullen tank, located at General McMullen Drive and Ruiz Street, began construction in February 2009. Today's raising of the bowl is one of the final steps in the process, with construction expected to be complete this summer. At that time, about two million gallons of water will be pumped to the tank for storage and distribution. That's enough water for about 250 San Antonio homes for a month.

SAWS currently has more than 25 elevated storage tanks located around the city, storing more than 70 million gallons of water. These tanks are required by the Texas Commission of Environmental Quality, which calls for a certain amount of elevated water storage for each customer connection.

Elevated water storage helps protect San Antonio by supplying water during power outages or when equipment fails, and increasing fire protection.

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