Oil/Sand Program

Automobile maintenance and repair shops, car washes, manufacturing operations and equipment maintenance facilities all have the potential to introduce petroleum oil, grit and sand into the sanitary sewer. These pollutants can cause dangerous conditions in the sewer, can cause backups and overflows and have the potential to disrupt the treatment processes at the wastewater treatment facility. To better control and prevent petroleum oil, grit, and sand from entering the collection system, facilities may need to install a sand/oil interceptor prior to discharge into the sanitary sewer. Prior to building construction or remodeling, facilities are required to send construction drawings of the facility to their local sewer agency.