The Director or Director’s designee shall initially, and thereafter as deemed reasonably necessary, determine the number of dwelling units located on residential developed property in order to establish the drainage fee provided by this article. Nonresidential real property in the City shall have its square footage impervious area calculated in order to establish the drainage fee provided in this article. The Director or Director’s designee shall make the calculation from such information and data deemed pertinent by the Director or Director’s designee. (Ord. 19496 § 124, 12-21-10; Ord. 17059 § 18(D), 12-17-96. Code 1995 § 146-399. Formerly 14.85.090.)