Maine Revised Statutes Title 38. Waters and Navigation § 490-M. Erosion control requirements for clay, topsoil, or silt excavations of less than 5 acres

1. Stabilization and control. Sediment may not leave the parcel or enter a protected natural resource as defined in section 480-B. Properly installed erosion control measures must be in place before the excavation begins. Vegetative cover must be established on all affected land. Topsoil must be placed, seeded and mulched within 7 days of final grading. Permanent vegetative cover is acceptable for purposes of erosion control if, within one growing season of seeding, the planting of trees and shrubs results in a permanent stand or a stand capable of regeneration and succession sufficient to ensure a 75% survival rate and the planting of all materials in permanent 90% ground coverage.

2. Phases. The excavation must be reclaimed in phases so that the working pit does not exceed 2 acres at any one time.