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Environmental Economics Seminar: Estimating the Ecological and Economic Impacts of Stormwater Runoff in the Allen Creek Watershed
Kelly Hellman Miller (Department of Resource Economics, University of Massachusetts, Amherst)
EPA Contact: Carl Pasurka, 202-566-2275
Abstract: Stormwater runoff generated by increased landscape imperviousness results in flooding and degradation of natural aquatic systems in urban watersheds. This paper proposes an ecological economic model of stormwater runoff control. We utilize the Long-Term Hydrologic Impact Analysis (L-THIA) model to estimate the marginal damage of an additional cubic foot of runoff to the downstream community in the Allen Creek Watershed located in Rochester, NY. We find an additional cubic foot of runoff results in $6.47 of damages downstream. These results can be compared with abatement cost estimates from other studies to suggest next policy steps in stormwater control for the area.