Stormwater Pollution Prevention Program - Resources for Designers, Engineers, Architects, and Proponents of New Development or Redevelopment Projects
Land development and redevelopment projects often result in the creation or replacement of impervious areas. Impervious areas include paving, building footprints, and rooftops which prevent rainwater from infiltrating into the ground beneath. Impervious areas increase the amount of stormwater runoff from a site, which can lead to negative impacts to the storm drain system and creeks.
New development and redevelopment projects which create or replace more than 2500 square feet of impervious area in the City of Sonoma must take all necessary steps to reduce the downstream impacts from new and replaced impervious areas associated with the project.
Guidance for applicants seeking approvals for projects that will create or replace more than 2500 square feet of impervious areas is available at the link below:
Click to view/download the BASMAAPost-Construction Manual
Follow the folder links at the website above for Library > Projects and Programs > Post-Construction Manual - Design Guidance for Projects... to access a guidance manual and templates for preparing any required plans for your project.
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