Pretreatment – Wastewater Discharge Permits/Forms

What is wastewater pretreatment?

Wastewater pretreatment is the reduction, elimination or alteration of pollutants prior to discharge into the wastewater system. 
It ensures wastewater discharged to our wastewater collection system meets local, state and federal discharge limits. 
Pretreatment protects the health and safety of the public and the environment, as well as the wastewater system and personnel. 

How is the pretreatment program implemented?

The pretreatment program is implemented through the Wastewater Discharge permit process.

Permit Applications/Forms

If you need assistance determining which permit is required for your business, please contact the Wastewater Division at (805) 271-2200.

Automotive-Related Businesses
Class A – Industrial Wastewater Discharge Permit Application

Dental Dischargers
Class D – Industrial Wastewater Discharge Permit Application

Laundromats – Commercial and Industrial
Class L – Industrial Wastewater Discharge Permit Application

Restaurant/Food service establishments
Class R – Industrial Wastewater Discharge Permit Application 

Categorical Industrial User (CIU)
For permit information, call (805) 271-2200. 

Significant Industrial User (SIU)
For permit information, call (805) 271-2200.

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Additional information and resources

City Code SEC. 19-25.  PROHIBITED; DISCHARGE STANDARDS

City Code SEC. 19-35.  PRETREATMENT FACILITIES

 

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Location
Wastewater Division
6001 Perkins Road, Oxnard, California 93033

Business Hours
Monday – Thursday 7:30 AM – 5:00 PM
Alternate Fridays 7:30 AM – 4:00 PM

Regular Business Hours: (805) 271-2200
Emergency After Hours: (805) 797-7598


Other Important Contacts
Billing Inquiries: (805) 385-7816
Stormwater