SAWS: Fats, Oils and Grease Ordinance
Aquifer Beaker

Edwards Aquifer

Aquifer Level 662.6'
11/17/17 - 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 662.6 | Year-Round Watering Hours

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Water Resource Protection & Compliance

Fats, Oils & Grease Ordinance

The 2012 city ordinance focuses on grease reduction for area food service establishments and food processing establishments.

Ordinance Overview:

Fats, Oils and
Grease Ordinance

Adobe PDF | 6 pages | 396 KB
SAWS Grease Reduction Program Presentation
Adobe PDF | 20 pages | 2 MB
Need the free Adobe® Reader® for PDF files? Click here.

  • The purpose of this program is to aid in the prevention of sanitary sewer blockages, obstructions and Sanitary Sewer Overflows (SSOs) caused by the accumulation of fats, oils and grease discharged into the sanitary sewer system.
  • This division applies to all Food Service Establishments (FSEs) and Food Processing Establishments (FPEs) within the city limits and the extra territorial jurisdiction of the City of San Antonio.
  • Historically, 75 percent of sanitary sewer overflows in San Antonio are attributed to grease and debris. Reducing SSOs will reduce the environmental impacts to our streams and waterways.
  • The ordinance changes enforcement from a sampling focus to an instant solids measurement.
  • Analytical results are enforceable under other City ordinances.
  • Existing FSEs and FPEs not equipped with an interceptor that complies with this ordinance shall install such an interceptor no later than 180 days after the effective date of this ordinance.
  • FSEs that exceed 25 percent or more of the wetted height of the interceptor during an inspection by San Antonio Water System will be considered in violation.
  • SAWS Resource Protection and Compliance will be responsible for program management and implementation.
  • Best Management Practices (BMPs) are incorporated into the ordinance.

For questions concerning Best Management Practices, please contact us at greasebmp@saws.org.