Sewers, Stormdrains & Wastewater Treatment

Design Guidelines and Forms

In designing a project, especially a project at least one acre in size, pollution prevention measures are required as part of the final project design. These pollution prevention measures shall be designed to meet or exceed minimum treatment levels, which vary based on the project type.

Listed below are guidelines and forms to help comply with this post-construction requirement.

County Resources

Listed below are guidelines and forms to help comply with this post-construction requirement.

(Note: To access these guidelines and forms, you will be redirected to the Riverside County Flood Control and Water Conservation District website.)

• Water Quality Management Plan (WQMP)
• Isohyetal Map for the 85th Percentile 24-hour Storm Event
• LID BMP Design Handbook
• WQMP Template
• WQMP Applicability Checklist

For more information or additional questions that you might have on your project specific WQMP, you may reach a Land Development representative at (951) 826-5341.