Using GIS to Model the Effects of Potential Wetland Mitigation Sites on Water Quality in Georgia
Kramer, Elizabeth, A.
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We are currently developing a map of prioritized potential wetland mitigation sites to increase the effectiveness of wetland mitigation in Georgia. The purpose of this project is to create a single mapped resource that all players working on wetland restoration and mitigation can use to coordinate their activities, thus potentially providing greater positive cumulative effects on the health of watersheds. We are mapping assessed wetland functions and values determined via consultations with various federal, state and local stakeholders through a wetlands steering committee organized by the Georgia Environmental Protection Division. The result of this project is a landscape level planning tool identifying areas within high priority watersheds where potential wetland mitigation sites may be located. In this report we concentrate on one of the 18 layers we have developed to address how creation of potential wetland mitigation sites may positively affect water quality and quantity and potentially flood attenuation. Initial trends indicate that the creation of wetlands at identified high priority sites may have a positive effect on water quality through reduction of non-point source runoff.