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National Pollution Discharge Elimination System General ：国家污染物排放消除系统
PAGE BNorth Carolina Coastal Federation’s Recommended Best Management Practices to Satisfy the Six Minimum Measures Required by the NPDES Phase II Storm Water ProgramA companion synopsis to the recommendations set forth in NCCF’s NPDES Phase II Model Storm Water PermitPrefaceThis document provides a synopsis of the North Carolina Coastal Ferderation’s (NCCF) recommendations for meeting EPA’s six minimum measures required by the NPDES Phase II Storm Water Program and an introduction to the storm water management problem. Please consult the complete model permit for a thorough discussion of each best management practices (BMP) and design criteria. The complete model permit also outlines the EPA’s minimum expectations for each of the six minimum measures as well as provides valuable information to assist small municipal separate storm sewer systems (MS4s) implement their storm water management program including explanations as to why certain measures are important, and where additional resources and information on a particular subject can be found. Suggested targeted goals and a timeline for implementing each measure, a requirement of the Phase II program, are also included in the complete model permit. Why Should Municipalities be Concerned About Storm Water?Storm water runoff threatens the health of North Carolina’s coastal environment and is a significant concern for communities along the coast. According to the 305(b) report for 2000, urban runoff in estuarine waters is cited as a widespread source of pollution. Storm water pollution is also listed as the primary cause of water quality degradation in each of the river basin plans that cover urbanizing areas of coastal North Carolina. Storm water discharge has resulted in numerous shellfish bed and swimming area closures across the state, thereby hampering the fishing and tourism industries. In natural, undisturbed areas, almost all rain water is absorbed by the land; very little runoff occurs. However, as
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