9VAC25-210-45. Surface waters delineations

A. Wetlands. Each wetland delineation, including those for isolated wetlands, shall be conducted in accordance with the U.S. Army Corps of Engineers (USACE) "Wetland Delineation Manual, Technical Report Y-87-1, January 1987, Final Report" (Federal Manual) and any regional wetland supplements approved for use by USACE. These Federal Manuals shall be interpreted in a manner consistent with USACE guidance and the requirements of this chapter, and any delineation guidance adopted by the department as necessary to ensure consistency with the USACE implementation of delineation practices. USACE regulatory guidance letters or Department of Environmental Quality policy or guidance may be used to supplement preparation of wetlands delineations.

B. Other surface waters. Delineations for surface waters other than wetlands may be conducted in accordance with USACE or DEQ policy or USACE or DEQ guidance and shall take into consideration the location of an ordinary high water mark, if present.