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      Department of Public Works Bureau of Sanitation

How to Prevent Stormwater Pollution at Oil and Gas Extraction Facilities

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Material Handling, Processing and Storage Areas

  • Use dikes and other forms of containment and diversion around storage tanks, drums of oil, acid, production chemicals, and liquids, reserve pits, and impoundments.
  • Place porous pads under drum and tank storage areas.
  • Use diking and other forms of containment and diversion around material handlings and processing areas.
  • Use covers and/or lining for waste reserve and sludge pits to avoid overflows and leaks.
  • Use drip pans, catch basins, or liners during handling of materials such as tank bottoms. Clean up any spills using dry methods.

Waste Handling

  • Recycle oily wastes, drilling fluids and other materials onsite, or dispose of properly.
  • Take wastes offsite to be disposed of instead of burying them.
  • Use oil water separators to treat runoff from the site.

Extraction Activities

  • Reinject or treat produced water instead of discharging it.
  • Limit the amount of land disturbed during construction of access roads and facilities.
  • Employ spill plans for pipelines, tanks, drums, etc.

Numbers to Call for More Information

Department of Toxic Substances Control (hazardous waste questions) (818) 551-2800/2830 (Duty office) or (916) 324-1826

Regional Water Quality Control Board, Los Angeles Region (213) 266-7500

Check the phone book for your local wastewater treatment plant.

If you have questions about this fact sheet, please call (800) 974-9794

Line and cover waste reserve and sludge pits.
Place tanks on porous pads inside a contained area.
Recycle materials and dispose of wastes offsite.
Reinject or treat produced water.
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