Combining GIS, BMP Performance, and Strategic Planning to Support Water Quality Implementation Planning
Publication: World Environmental and Water Resources Congress 2009: Great Rivers
Abstract
Numerous efforts to improve storm water quality on a watershed-wide basis have lacked a reproducible, transparent, methodical approach to optimize the selection and implementation of structural Best Management Practices (BMPs) to meet receiving water quality goals. For urban stormwater retrofit projects, structural BMPs are primarily selected in an opportunistic, site-specific fashion, focusing on one or a few pollutants, stakeholder inputs, or local funding availability. As geographic information systems (GIS) technologies improve, computing power increases, and pollutant loading and treatment efficiency datasets become more robust there is an opportunity to improve watershed-based implementation planning efforts. The authors have developed methods to prioritize water quality improvement needs and identify structural BMP opportunities on a watershed scale to maximize the return on investment for improved water quality. Opportunity evaluation considers property ownership and the potential for retrofitting to achieve multiple benefits, such as water quality, aesthetics, recreation, and habitat. It is recognized that different types of land parcels typically have different types of opportunities and constraints. BMP opportunities can be regional or distributed in nature depending on the land use, size, and location of the public parcel, among other things. By utilizing GIS-based parcel and land use information in the context of water quality need, potential opportunities, and constraints, as well as BMP unit processes and performance data, watershed-wide benefits of BMP implementation can be assessed.
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Copyright
© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
ASCE Technical Topics:
- Best Management Practices (BMPs)
- Business management
- Environmental engineering
- Geographic information systems
- Geomatics
- Infrastructure
- Management methods
- Practice and Profession
- Quality control
- River engineering
- River systems
- Stormwater management
- Surveying methods
- Urban and regional development
- Urban areas
- Water and water resources
- Water management
- Water quality
- Water treatment
- Watersheds
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