Erosion and Sediment Control Planning: Using ES Inspections, Evaluations, and BMP Design to Plan Facility Nonpoint Source Pollution Reductions

摘要

In the efforts to restore water quality of the Chesapeake Bay (the Bay) and its tributaries, there hasrnbeen much focus on control of nutrient and sediment loads from urban and suburban stormwaterrnand agricultural runoff. The purpose of this project was threefold: (1) provide planning-levelrnnonpoint source (NPS) pollution information specific to the Naval Support Facility Dahlgrenrn(NSFDL), including Chesapeake Bay Program (CBP) NPS loading data for NSFDL; (2) providernchannel and rill erosion stabilization recommendations, planning-level designs, and Rough-Orderof-rnMagnitude (ROM) cost estimates to remedy identified areas of erosion at NSFDL; and (3)rnestimate potential nutrient load reductions achieved by the selected remedies. The approachrnemployed in this study considered severity of erosion and associated nutrient loads, potentialrnnutrient load reduction from selected BMPs, cost, and site restrictions to prioritize the identifiedrnareas for budgeting and future implementation. Lead by the NSFDL, this project was conductedrnthrough a five-step process: data compilation and evaluation, site investigation, inventoryrnpreparation, recommendation development, and reporting.