Discharge to the sanitary sewer system - Requirements for non-residential poolsNon-residential owners of pools are required to obtain a wastewater permit if they generate wastewater from pools/spas/fountains/pond draining, pool deck draining or filter backwash processes.Typical facilities required to obtain a wastewater permit for the discharge of wastewater include, but are not limited to: recreation centers, schools, health clubs, hospitals, and hotels.The following agencies are responsible for granting permits for connections and discharges to the storm drain system and sanitary sewer system:Discharges to Sanitary Sewer SystemIndustrial Waste Management Divisionwww.lacitysan.org/industrialwaste(323) 342-6200san.IWMD@lacity.orgSewer or Storm Drain Connection PermitTo install a connection to the sanitary sewer system or storm drain system, contact your local Department of Building and Safety, Development Services Center. www.ladbs.org/locations/all-locationsNational Pollutant Discharge Elimination System (NPDES) PermitThis permit is required for non-stormwater discharges to the storm drain system that are not “Exempted” or “Conditionally Exempted.”Los Angeles Regional Water Quality Control Board320 W. 4th Street, Suite 200, Los Angeles, CA 90013(213) 576-6600The complete Discharge Requirements for Pools, Spas and Fountain Owners Fact Sheet is available in the downloads section.