Industrial Pretreatment Program

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The District's Industrial Pretreatment Program provides for the regulation of wastewater dischargers into the sanity sewer system to comply with State and Federal laws. The purpose of the program is to prevent the introduction of pollutants into the wastewater collection and treatment system. This is important to protect the public and the environment, protect workers from harm, prevent interference with the treatment process, and avoid damage to the equipment. 

The program requires all new connections to the sewer system to be inspected for applicable pretreatment equipment, such as, oil and grease interceptors (OGI), lint traps, oil/water interceptors, etc. Any changes in existing non-residential customer accounts are reviewed for pretreatment requirements. It is recommend that any changes, renovation, alteration, etc. to the business process, be forwarded to the Utilities for review as it  may require pretreatment. This will avoid delays in re-construction. All industrial users are subject to permits based on the process wastewater discharged into the sanitary sewer system. These permitted users are monitored and sampled for compliance with the local discharge limits listed in the ordinance as well as federal limits listed in the code of federal regulations.

The Utilities Department’s OGI Monitoring Program requires all restaurants, food service and auto repair facilities to maintain and clean their grease traps and oil/water separators at least annually. These OGI’s are sampled and inspected once a year. If test results indicate the pretreatment limits are exceeded, the customer is notified of an applicable monthly surcharge in writing. In order to comply and avoid the surcharge, the customer must have the trap cleaned and provide proof (legible copy of invoice or cleaning manifest) and test results from an independent certified laboratory indicating compliance limits have been met delivered to the District prior to the date indicated on the notification letter.

 

Industrial Pretreatment Ordinance

 

Industrial Pretreatment Procedures

 

 

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