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Site design techniques are included during the initial planning stages prior to construction. These techniques focus on designing a development that includes features to keep the site natural, such as maintaining natural landscaping or natural drainage pattern(s). Site design techniques can mitigate the impacts of land development on stormwater and avoid or reduce the need for installation of structural stormwater treatment controls. |
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Examples of site design techniques include:
- Minimizing the amount of impervious surface area (roads, parking lots, building footprints/roofs, etc.)
- Minimizing the amount of directly connected impervious surface area (i.e. disconnected roof downspouts)
- Incorporating landscaping buffers between impervious surface areas
- Using pervious paving materials
- Incorporating green roofs
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Alameda Countywide Clean Water Program C.3 handbook provides specific examples which are applicable to Fremont requirements.
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Excerpts from Alameda Countywide Clean Water Program C.3 Technical Guidance Manual |
| Selecting Site Design Measures |
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| Mosquito Control Guidelines |
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| Bay Friendly Landscaping |
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| Site Design Examples |
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Additional Resources | |
Environmental Protection Agency: Non-Point Source Pollution, Low-Impact Development Designs. | |
California Stormwater Quality Association: New Development and Redevelopment Handbook. | |
Bay Area Stormwater Management Agencies Association (BASMAA) "Start at the Source Design Guidance Manual for Stormwater Quality Protection." | |
BASMAA companion document to "Start at the Source" entitled "Using Site Design Techniques to Meet Development Standards for Stormwater Quality." |
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Every development project is unique and will require different stormwater treatment measures. For more information on stormwater treatment as it relates to your project or site, please call Environmental Services at 510-494-4570.
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