Aquifer Beaker

Edwards Aquifer

Aquifer Level 681.6'
6/26/19 - 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 681.6 | Year-Round Watering Hours

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About the EPA Settlement Agreement

SAWS is investing $1.2 billion in its sewer system

In June 2013, SAWS approved a settlement agreement with the U.S. Environmental Protection Agency that requires additional work to reduce sewer spills over the 2013 to 2025 term of the agreement. The agreement, or consent decree, avoided costly federal litigation and an uncertain outcome.

The responsible commitment to perform this additional work will improve service to SAWS ratepayers and protect the environment and our community. The costs of the settlement are included in SAWS' rate increase projections.

Sewer spills are not unique to San Antonio. We are one of more than 40 cities across the country working under EPA agreements to reduce sewer spills.

Despite the cost of the agreement, SAWS bills will remain among the lowest in Texas.

Under the consent decree, SAWS will invest an estimated $855 million more than what the utility would have spent in the course of 10 to 12 years to reduce sewer spills and maintain its sewer system infrastructure.

The work required to comply with the consent decree includes systemwide inspection along with cleaning and evaluation of sewer pipelines. Also required are the targeted replacement and rehabilitation of aging infrastructure. The work is tailored specifically to the 5,200 miles of pipe in the SAWS sewer system, avoiding unnecessary costs and focusing on the causes of sewer spills in San Antonio.

Program Progress to Date

As of January 2019, SAWS is halfway through the consent decree and has met all requirement milestones. One of those milestones was completion of the sewer system Capacity and Condition assessment work and associated reports, which were submitted to EPA in January 2018. SAWS is currently preparing the remedial measures plan which is due in January 2019. This report will identify all the projects needed to address the assessment findings. SAWS will continue best practices after the consent decree is complete to ensure proper management of the utility's sewer system assets.

Seventy-five percent of the sewer spills in San Antonio are caused by grease and debris. For years, SAWS has implemented an ongoing sewer spill reduction program. That effort has resulted in a 30 percent reduction in the number of spills from their peak.

While the agreement requires additional costs, it represents a positive and meaningful investment in our city's infrastructure.

Sewer System Investment Chart

Rate projections already included this level of investment.