In this chapter, the following documents are incorporated by reference. Documents Incorporated. The 2000 Maryland Stormwater Design Manual, Volumes I & II (Maryland Department of the Environment, April 2000), Supplement 1, is incorporated by reference by the Administration and shall serve as the official guide for stormwater management principles, methods, and practices. USDA Natural Resources Conservation Service Maryland Conservation Practice Standard Pond Code 378 (January 2000). 40 CFR §122.26(b)(14)(i)—(xi).