Pinole's Fats, Oils, Grease (FOG)

Fats, Oils, Grease (FOG)

Pollution Prevention & Pretreatment Program

Pinole-Hercules WPCP works with businesses and institutions to limit discharges of harmful substances to the sewer system. This protects the wastewater treatment plant as well as water quality in San Pablo Bay. Many substances can interfere with the treatment operations at the plant, pass through the sewage treatment plant to the Bay.

As a publically owned wastewater treatment agency, Pinole-Hercules WPCP is responsible for developing and enforcing Pretreatment and Pollution Prevention programs in compliance with State of California regulations and national pretreatment standards and regulations mandated by the Environmental Protection Agency (EPA).

Pinole-Hercules WPCP Environmental Compliance staff conducts inspections, issues permits, and monitors discharges in accordance with its Pretreatment and Pollution Prevention Programs and City of Pinole Municipal Code Title 13.


To Report Illegal Dumping or Spills

Call 1-800-No Dumping (1-800-663-8674)


Hazardous Waste Disposal

Picture of Hazardous Materials


Picture of Recycle symbol

Curbside Recycling

Residential Zero Waste

Recycle Centers


Auto Care Recycling

Oil being poured into car

Used motor oil


Pharmaceutical Disposal  

Pharmaceutical Disposal Picture



Pool & Spas

Pool & Spas Draining Pictures

 POOLS & SPAS Brochure



Residual Discharge

Picture of Residential Home




 Industrial Pretreatment

Provide reliable, sustainable, water, wastewater, and recycled water services safely, efficiently, responsi

Picture of Industrial Pretreatment


Industrial List of Potential Dischargers    


Industrial Categories

Adhesives and Sealants


Nonferrous Metals Forming

Porcelain Enameling

Aluminum Forming

Food Processing Plants

Ore Mining and Dressing

Printing and Publishing

Automatic and Other Laundries

Gum and Wood Chemicals

Organic Chemicals

Pulp, Paper and Paperboard



Packing Houses


Bottling Plants

Ink Formulation

Paint Formulations

Rubber Processing


Inorganic Chemicals

Petroleum Refining

Soap and Detergents

Coal Mining

Iron and Steel


Steam Electric Power Generating

Coil Coating



Textile Mills

Copper Forming

Leather Tanning and Finishing


Timber Products Processing

Electrical and Electronic Products

Metal Finishing

Plastic and Synthetic Materials


Metal Molding and Casting Foundries

Plastics and Synthetics

Prohibited Water

  • Flammable or explosive substances
  • Highly toxic and poisonous substances
  • Substances which may obstruct flow
  • Strongly odorous wastes
  • Uncontaminated water (such as cooling water, roof runoff, etc.)
  • Pretreatment sludge
  • Wastes with temperatures over 150°F or which cause the temperature at the treatment plant headworks to exceed 104°F
  • Most radioactive wastes (in excess of state guidelines)
  • Wastes which contain or result in the production of toxic, corrosive, explosive or malodorous gases
  • Wastes that interfere with wastewater treatment processes
  • Petroleum oil, non-biodegradable cutting oil, or products of mineral origin in amounts that pass through or interfere with the treatment plant processes
  • Trucked or hauled wastes, except at discharge points designated by the District


Industrial customers follow these steps to participate in the Pinole-Hercules WPCP Pretreatment Program.


  1. The customer completes a Discharge Permit Application and submit it to Pinole-Hercules WPCP.
  2. Pinole-Hercules WPCP will reviews the permit application and conducts an inspection.
  3. Pinole-Hercules WPCP will Collect Fees and issues a Discharge Permit to the customer.
  4. The customer and Pinole-Hercules WPCP begin implementing permit provisions, including monitoring waste and submitting reports.




Food Service                                                            

Picture of Food Trays

BMP for Restaurants
Grease Haulers

Permitted Mobile Washers

Grease Trap Maintenance Checklist

Grease Trap Maintenance Cleaning Log

Sizing Grease Interceptors

Auto Facility

 Picture Auto Facility Repair Center