DEVELOPERS

Applications, Forms & Permits

• General Construction Stormwater Permit
• General Industrial Stormwater Permit
• Riverside County Flood Control and Water Conservation District
  • Encroachment Permits

What's New

• New WQMP Template for the Santa Margarita Watershed effective July 5, 2018 (NEW!)
• The Riverside County Transportation and Land Management Agency will now be reviewing all WQMPs for the County (NEW!)
• Low Impact Development (LID) BMP Design Handbook
• Stormwater and Water Conservation Tracking Tool - The Stormwater and Water Conservation Tracking Tool has been recently updated. This useful tool is also known as the “Geodatabase” and can help guide you through the development process.

Water Quality Management Program

Santa Ana Watershed Santa Margarita Watershed Whitewater Watershed

Santa Ana Watershed WQMP

SAR WQMP - Approved October 2012

SMR WQMP 2018

Whitewater WQMP Guidance Document

Whitewater WQMP Template

Whitewater BMP Design Handbook for Low Impact Development

Bioretention Facility Design Worksheet

Extended Detention Basin Design Worksheet

Infiltration Basin Design Worksheet

Infiltration Trench Design Worksheet

Landscaped Filter Strip Design Worksheet

Landscaped Swales Design Worksheet

Permeable Pavement Design Worksheet

Sand Filter Basin Design Worksheet

Volume and Flow Based Design Worksheets – Whitewater

Maps & Exhibits

Other BMP Information

• BMP Performance Report Library
• CASQA BMP Handbooks
• Caltrans BMP Technology Report

Definitions & Acronyms

• Glossary of Terms, Acronyms, and Abbreviations

Additional Resources

• State Water Board Construction Permit Search Database
• State Water Board Industrial Permit Search Database