Jump to navigation. These interactive online references provide the information you need to stay in compliance with California stormwater regulations for a construction or an industrial general permit, with detailed monitoring guidance and inspection forms, including the SWPPP Template. Group subscriptions have a designated primary subscriber purchaser who can share the subscription with others sub-subscribers. Adding sub-subscribers is the responsibility of the primary subscriber and is a one time step unless someone leaves or joins the organization. View instructions to add sub-subscribers.

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A number of documents are available on these pages that describe the regulations and programs aimed at preventing and controlling the discharge of pollutants to the municipal stormdrain system and receiving waters.

If there are any questions regarding the details of a document, or to obtain a hard copy or other alternative formats of the original document, or to have a document read to you, please contact the OC Public Works offices, Monday through Friday, am to pm PST, at N.

Glassell St. Erosion Control:. Sediment Control:. Tracking Control:. Non-Stormwater Management:. Waste Management BMPs:. EC-1 Scheduling. SE-1 Silt Fence. NS-1 Water Conservation Practices. WM-1 Material Delivery and Storage. EC-2 Preservation of Existing Vegetation. SE-2 Sediment Basin.

TC-2 Stabilized Construction Roadway. NS-2 Dewatering Operations. WM-2 Material Use. EC-3 Hydraulic Mulch. SE-3 Sediment Trap. NS-3 Paving and Grinding Operations. WM-3 Stockpile Management. EC-4 Hydroseeding. SE-4 Check Dam. Wind Erosion Control:. NS-4 Temporary Stream Crossing. WM-4 Spill Prevention and Control. EC-5 Soil Binders. SE-5 Fiber Rolls. WE-1 Wind Erosion Control.

NS-5 Clear Water Diversion. WM-5 Solid Waste Management. EC-6 Straw Mulch. SE-6 Gravel Bag Berm. WM-6 Hazardous Waste Management. EC-7 Geotextiles and Mats. SE-7 Street Sweeping and Vacuuming.

WM-7 Contaminated Soil Management. EC-8 Wood Mulching. SE-8 Sandbag Barrier. NS-8 Vehicle and Equipment Cleaning. WM-8 Concrete Waste Management. SE-9 Straw Bale Barrier. NS-9 Vehicle and Equipment Fueling. EC Velocity Dissipation Devices.

SE Stormdrain Inlet Protection. NS Vehicle and Equipment Maintenance. WM Liquid Waste Management. EC Slope Drains. NS Pile Driving Operations. EC Streambank Stabilization. NS Concrete Curing. EC Reserved. SE Compost Sock Berms. NS Concrete Finishing. EC Compost Blanket. SE Biofilter Bags. NS Material Over Water. NS Demolition Adjacent to Water. EC Non-Vegetative Stabilization. Making Orange County a safe, healthy, and fulfilling place to live, work, and play, today and for generations to come, by providing outstanding, cost-effective regional public services.

The policies that apply to the County of Orange Official Web Portal may not be the same as the terms of use for other web sites.

The County of Orange cannot attest to the accuracy of the information provided by the linked websites. Any link to an external website is not intended as an endorsement of that external website, any product or service offered or referenced to or any views that might be expressed or referenced therein. Current Agency. Entire County. OC Watersheds Contact Us. Activities Municipal Activity.

Construction Activities. County Directory Assistance


CASQA BMP Handbooks



Municipal BMP Handbook


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