Developing a Stormwater Infrastructure Geospatial Database for a Large Non-Traditional MS4 System

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 ABSTRACT

The Massachusetts Department of Conservation and Recreation (DCR) is a state agency which owns and maintains parks, conservation and watershed land, and roadways. They are regulated as a non-traditional MS4 stormwater municipality under the U.S. Environmental Protection Agency’s (EPA) National Pollutant Discharge Elimination System (NPDES) Phase II program. To satisfy the NPDES permit and a memorandum of understanding (MOU) with the Conservation Law Foundation and Charles River Watershed Association (CWRA), the DCR has undertaken the task of mapping all stormwater infrastructure associated with its properties. The quantity, age, and variety of types and locations of DCR’s properties make the creation of a central geospatial stormwater database a challenge. This presentation and paper describes the development of the integrated stormwater geospatial database and demonstrates how it can serve as a tool to meet several NPDES Phase II compliance measures and aid in future stormwater and asset management work.

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