Federal Guidance on the Use of Preservation as Compensatory Mitigation Under Section 404 of the Clean Water ActBy Government of the United States View Publication
This document provides guidance on the use of preservation as compensatory mitigation
undertaken to meet permit requirements under Section 404 of the Clean Water Act and/or
Section 10 of the Rivers and Harbors Act of 1899. The permit program requires appropriate and
practicable compensatory mitigation to offset unavoidable impacts to aquatic resources by
replacing aquatic resource functions lost as a result of activities authorized by the U.S. Army
Corps of Engineers (Corps).