Post-Construction Runoff Management
Best Management Practices for Landscaping
UTMB’s MS4 permit requires prior planning design for post-construction storm water runoff for new building projects disturbing one acre or more of land. There is flexibility in choosing site design; consider conserving green space, using permeable surfaces, alternative landscape design – grassed swales, infiltration basins (rain gardens) with vegetation that is native or adapted to the area, and design with storm water runoff into landscaping prior to discharging to the storm water conveyance system.
A project’s impact on water quality can be significantly mitigated when these design concepts are implemented at the design and planning stages of a project. Post-Construction design concepts include one or more of the concepts listed below.
POST-CONSTRUCTION DESIGN CONCEPTS
• Implement source controls to prevent and minimize the discharge of pollutants
• Incorporate storm water treatment controls to remove pollutants from runoff
• Minimize directly connected impervious areas
• Maximize permeability at a project site
• Use drainage as a design element
• Protect sensitive areas from encroachment
• Promote alternatives to automobiles
The list of resources is available for UTMB project managers, architect and engineering consultants, and building contractors with information on the use of site design to improve storm water quality in Galveston Bay.
Managing Wet Weather with Green Infrastructure - http://cfpub.epa.gov/npdes/home.cfm?program_id=298
Rain Water Collection - http://rainwaterharvesting.tamu.edu/publications.html
Rain Garden Network - http://www.raingardennetwork.com/water.htm
Gulf Coast Gardening - http://aggie-horticulture.tamu.edu/galveston/
California (Bay Area) Post-Construction Guidelines – http://www.BASMAA.org
Stormwater Manager’s Resource Center - http://www.stormwatercenter.net/
Stormwater Controls into Project Design, UC Berkeley -http://cleanwaterprogram.org/uploads/07-UC_Village-Greg_Haet- wshop_021307-smallest.pdf
Low Impact Development Center, Inc. - http://www.lowimpactdevelopment.org/
Center for Watershed Protection - One of the oldest and best organizations that focus on Low Impact Development. Many publications and a wealth of information is available here.
Low Impact Development Center - A non-profit organization balancing growth and environmental integrity.
Low Impact Development (LID) Urban Design Tools - A LID Center and USEPA project to provide guidance to local governments, planners, and engineers for developing, administering, and incorporating Low Impact Development (LID) into their aquatic resource protection programs.
Swale Stories - Some very nice photos and stories about swales from the North Carolina Division of Water Quality
Environmentally Sensitive Design Practices Database - An elementary listing from the Chesapeake Bay Program. A good introduction to some of the practices
COMPOST - Check out our own resource page on compost
Site Planning for Urban Stream Restoration
reading for the LID practitioner.
Last Modified: 10/29/2010
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