MCM 4 Site Runoff Minimum Control Measure 4 - Construction Site Runoff Control Developing, implementing, and enforcing an erosion and sediment control program for construction activities that disturb 1 or more acres of land. Program elements for MCM 4 Construction Site Runoff Control include: Ordinance Construction requirements and BMPs Plan Review Procedures Construction Site Inventory Resources: CRWP Model Ordinance for Erosion and Sediment Control Ohio EPA General Construction Permit Rainwater and Land Development Manual - ODNR Division of Soil and Water