General Industrial & Manufacturing businesses:


If you own, manage or help operate a business, especially an industrial or manufacturing company, you can help reduce stormwater pollution. From environmentally friendly cleaning and maintenance activities, to recycling hazardous waste materials, businesses can do a lot to prevent stormwater pollution.


Follow these best management practices to prevent pollution, protect public health and avoid fines or legal action:


Keep drip pans under outdoor equipment to contain drips and leaks, especially during maintenance. Consider placing a simple shed roof over this equipment. Picture from Sacramento Stormwater Management Program.
"Doghouse" sheds are one way to keep stormwater away from barrels and materials kept outdoors, and provide spill control at the same time. Picture from Sacramento Stormwater Management Program.

Cleaning & Maintenance: Review your cleaning and maintenance activities to look for ways to reduce runoff into the storm drain system, especially in outdoor areas like parking lots, loading docks and maintenance yards. Keep trash enclosure swept and trash bin lids closed. Cleaning Best Management Practices


Prevent wash water and other pollutants from flowing into storm drains: Train employees to wash vehicles and equipment indoors in a wash rack that is connected to the sanitary sewer or off-site at a commercial wash facility. Train janitorial staff to dispose of floor cleaning water in the sewer and not into the parking lot. Make sure that cooling towers, boilers, compressors, water softeners and other process equipment are connected to the sanitary sewer and do not discharge wastewater into the parking lot. Cleaning Best Management Practices


Proper Disposal of Hazardous Waste: If you use hazardous materials in your everyday business, like ink and solvents for commercial printing, or polishes and chemicals for car detailing or manufacturing after-market accessories, do not put these hazardous materials in the trash or pour them into the gutter. Recycle or dispose of them safely with a hazardous waste service (pdf). Store chemicals, wastes, raw materials and contaminated equipment indoors or in a covered, spill contained area, to prevent exposure of these materials to stormwater. For more information on proper hazardous waste disposal, call (650) 372-6200.


Take advantage of less-toxic alternatives to dangerous chemicals. From detergent to drain openers, there are a lot of ways to get the same or better result without having to rely on toxic substances.


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