For purposes of this Division II, the following documents are incorporated by reference:the State’s Design Manual, which serves as the official City guide for stormwater management principles, methods, and practices; the USDA Natural Resources Conservation Service Maryland Conservation Practice Standard Pond Code 378 (January 2000); and the City’s Design Guidelines, which serve to supplement the State’s Design Manual as it relates to stormwater management principles, methods, and practices in the City. Terms used in the State’s Design Manual have the meanings ascribed to them in the Design Manual or otherwise by the State Water Management Administration. These terms include, among others:“Agricultural land management practices”. “Aquifer”. “Detention structure”. “Direct discharge”. “Extended detention”. “Grade”. Ord. 02-367 Ord. 10-277