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Stoney Run Wetlands and Environmental Mitigation, Bethesda, MD
A. Morton Thomas and Associates, Inc. developed a comprehensive environmental mitigation design plan to improve water quality, reduce stormwater surges, and create better aquatic and riparian habitat conditions for the 3.2 square mile Stoney Creek Watershed located on the grounds of the National Naval Medical Center (NNMC). The plan identifies existing problems, as well as, potential stream remediation, wetland creation and reforestation opportunities. NNMC's goal is to redevelop Stoney Creek to a stable, healthy, pre-urbanized condition, to put NNMC in full compliance with the 1987 Clean Water Act Amendments (CWAA) Section 302 - water quality, and to plant native tree species that will help the Alliance for the Chesapeake Bay achieve their goals of conserving existing forests and installing riparian forest buffers for 2,010 miles by the year 2010.
Project components included:
- Development of a technical watershed management plan which addresses potential stream remediation/restoration, stormwater management, reforestation, improvements for fish habitat and wetland creation opportunities in the Stoney Creek Watershed. This task included site location, drawings of the proposed systems, a priority ranking system and detailed cost estimates for each project type.
- TR-20 Modeling for 2, 10 and 100-year storms.
- Development of objectives and criteria for prioritizing the stream channels for protection, remediation, and restoration.
- Application of Rapid Stream Assessment Technique (RSAT), Rosgen classification, Pfankuch survey, preliminary wetland identification, fish sampling, and other studies on biological conditions that helped to evaluate stream conditions for Stoney Creek.
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