Stormwater Phase II Final Rule oEPA September 2018 Construction Site Runoff Control Minimum Control Measure Photo by U.S. EPA This fact sheet profiles the Construction Site Runoff Control minimum control measure, one of six measures that the operator of a Phase II regulated small municipal separate storm sewer system (MS4) is required to include in its stormwater management program to meet the conditions of its National Pollutant Discharge E mination System (NPDES) permit. This fact sheet outlines the Phase II Final Rule requirements modified December 9, 2016 and effective on January 9, 2017. It offers some general guidance on how to satisfy them. It is important to keep in mind that the small MS4 operator typically has a great deal of flexibility in choosing exactly how to satisfy the minimum control measure requirements in ts NPDES permits. United States Environmental Protection Agency Office of Water (4203) Factsheet 2.6 ------- |