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<br />O~1272 <br /> <br />CHAPTER III <br />RECOMMENDED DRAINAGE MANAGEMENT PROGRAM <br /> <br />The product of this research is a viable drainage management <br />program. The program draws each of the recommended elements into a <br />management tool to be used for mitigating development-induced drainage <br />impacts. The program is based on: <br />1. Simple response prediction models that are consistent with <br />other rainfall-runoff models used in the area. <br />2. A cost sharing approach for financing needed drainage facili-, <br />ties, and <br />3. Management control at the local level through subdivision <br />regulations. <br />Sample regulatory language for implementing the recommended. <br />drainage management program is included in Appendix A. This legislation <br />was drafted to supplement existing local subdivision regulations. It is <br />divided into four subsections: Definitions, General Provisions, <br />Drainage Basin Studies, and Off-site Drainage Fee. The important <br />features of the legislation are discussed below. <br />Definitions <br />The sample regulation is based on the drainage basin/subbasin <br />concept as discussed in Chapter I. Each development is overlain by <br />at least one drainage basin and at least one drainage subbasin. That <br />development is then partially responsible for all drainage facilities <br />required within the applicable subbasin and basin. The extent of this <br />responsibility is represented by an Off-site Drainage Fee (ODF) charged <br />to that development. This fee is the development's proportionate <br />