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Stormwater Program (Water Quality)

The Orange County Stormwater Program was initiated in 1990 as a cooperative local government response to the 1987 Amendment to the Federal Clean Water Act (CWA). This Amendment extended the provisions of the CWA Section 402 National Pollutant Discharge Elimination System (NPDES), issuing a permit to the municipal storm drain system operators, also known as the Municipal Separate Storm Sewer Systems (MS4s), thereby making local governments responsible for the quality of their stormwater discharges.

In California, these stormwater programs are administered by the State Water Resources Control Board (SWRCB) and nine regional boards that issue NPDES-MS4 permits and enforce regulations within their respective regions. South Orange County lies within the jurisdiction of the San Diego Regional Water Quality Control Board (SDRWQCB). This regional board issued the first municipal NPDES-MS4 permit in 1990 for the "Orange County Stormwater Program", a partnership between the County and South Orange County cities, including the City of Rancho Santa Margarita. NPDES-MS4 permits are issued for a five-year term with the current Fourth Term Permit issued on December 16, 2009.

In compliance with the NPDES-MS4 Permit, the City of Rancho Santa Margarita has developed a comprehensive Stormwater Program that exemplifies the high value that is placed on clean water and improving water quality. This program includes a Local Implementation Plan (LIP) that regulates urban water runoff in and around the City.

For additional information on the City's Stormwater Program, please contact the Public Works Department at 949.635.1800 extension 6501.

Program Resources 
 - To report chemical and hazardous materials spill, please call 911. 
 - To report water pollution, please contact the County of Orange hotline at 877.897.7455.
 - For mosquito and rodent issues, please contact the Orange County Vector Control at 714.971.2421.

To recycle used oil and filters please contact the following locations: 
Econo Lube N'Tune and Brakes
21562 Plano Trabuco Road
Rancho Santa Margarita, CA 92679 
949.459.8494 
 
Jiffy Lube #1598
23041 Antonia Parkway
Rancho Santa Margarita, CA 92688 
949.589.6400
Santa Margarita Ford
30031 Santa Margarita Pkwy
Rancho Santa Margarita , CA 92688
949.888.4347
Toyota Rancho Santa Margarita
22722 Avenida Empresa
Rancho Santa Margarita, CA 92688
949.766.2000
Santa Margarita Ford Fleet Center
29922 Avenida De Las Banderas
Rancho Santa Margarita, CA 92688
949.888.4347
 

Learn more on how to do your part to protect our precious water by using the Orange County Watershed/Public Education site at  http://www.ocwatershed.com/publiced/
Development and Redevelopment Projects
Section UL
 Technical Guidance Document (TGD) - Orange County TGD 
 Technical Guidance Document (TGD) - South Orange County TGD Guidance Memo 
 Technical Guidance Document (TGD) - Worksheets from TGD 
 Water Quality Management Plan (WQMP) - Checklist 
 Water Quality Management Plan (WQMP) - South Orange County Model WQMP 
 Water Quality Management Plan (WQMP) Template 
Best Management Practices for Mobile Businesses
Section UL
 Carpet Cleaners 
 Landscaping Services 
 Mobile Cement Mixing and Masonry 
 Mobile Detailers 
 Mobile Pet Services 
 Mobile Pressure Washing 
 Mobile Sanitary Toilet Servicing 
 Painting Services 
 Pest Control 
 Pool and Fountain Cleaners 
Best Management Practices for Pollution Prevention
Section UL
 Animal Handling Areas 
 Automobile Parking 
 Building Maintenance 
 Disposal of Green Waste 
 Disposal of Pet Waste 
 Drainage System 
 Eliminating Irrigation Runoff 
 Landscape Maintenance 
 Minor Construction 
 Outdoor Storage of Raw Materials, Products 
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 Parking Storage and Maintenance 
 Pool and Fountains 
 Roads, Streets and Highways 
 Vehicle and Equipment Maintenance and Repair 
 Vehicle and Equipment Wash and Steam 
 Walkways and Driveways 
 Waste Handling and Disposal 
 Water and Sewer Utility 
Home Improvement and Remodeling Projects
Section UL
 Best Management Practices for Construction Sites & Home Remodeling 
Homeowner's Association
Section UL
 Annual NPDES Activities Report for HOAs 
Industrial and Commercial Facilities
Section UL
 Animal Handling Areas 
 Best Management Practices for MOBILE DETAILERS - English Version 
 Best Management Practices MOBILE DETAILERS - Spanish Version 
 Building Maintenance 
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 Concrete and Asphalt Production, Application 
 Contaminated or Erodible Surface Areas 
 Eating and Drinking Establishments 
 Landscape Maintenance 
 Nurseries and Greenhouses 
 Outdoor (Un)Loading of Material 
 Outdoor Draining from Indoor Areas 
 Outdoor Storage of Raw Materials and Products 
 Painting 
 Painting Storage Area Maintenance 
 Pool and Fountain Cleaning 
 Requirements for Public Events 
 Spill Prevention and Cleanup 
 Vehicle and Equipment Fueling 
 Vehicle and Equipment Maintenance and Repair 
 Vehicle and Equipment Wash and Steam 
 Waste Handling and Disposal 
Orange County Construction Runoff Guidance Manual
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 Development and Redevelopment Projects - Orange County Construction Runoff Guidance Manual 
Protecting our Watershed
Section UL
 Living In and Protecting San Juan Creek Watershed 
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