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1. What does pretreatment mean?

Pretreatment is the reduction of the amount of pollutants, the elimination of pollutants, or the alteration of the nature of pollutants in wastewater to a less harmful state prior to discharge to the treatment plant.

2. Who implements the pretreatment program?

The Chemical Control Division (CCD) of the City of Gilroy Community Development Department is responsible for the implementation of the Program.

3. How is the pretreatment program implemented?

The pretreatment program is implemented through the Industrial Waste Discharge permit issued to businesses. The program is implemented through 3 elements in the permit: prohibited discharge standards, national categorical standards, and local limits. Permit conditions are authorized by Chapter 19 of the Gilroy City Ordinance and Chapter 13 of the Morgan Hill City Ordinance.