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<br />G 0 2 2 g 4. <br /> <br />REDUCING FLOOD LOSSES <br /> <br />4 <br /> <br />5-130 <br /> <br />130. SUBDIVISION REGULATIONS AND ZONING <br /> <br />;1f~ <br /> <br />For several reasons subdivision controls are very use- <br /> <br /> <br />ful--sometimes more useful than zoning-...;in regulating develop- <br /> <br /> <br />ment in riverine and coastal flood areas: <br /> <br /> <br />First, they may be used t6 discourage land specu1a- <br /> <br />tion and "victimization" of buyers of f1ood-protle <br />lands by requiring that flood hazard information be shown <br /> <br />on the face of plat or by prohibiting subdivision of <br /> <br />unsuitable lands. In contrast, flood plain zoning is <br />less likely to come to the attention of prospective <br />buyers. <br />Second, they can be used to require the developer <br /> <br />of. flood-prone lands to provide drainage facilities <br />.and to provide flood-proofed facilities such as roads <br /> <br />and sewers. Zoning generally is not used to require <br /> <br />the installation of facilities such as roads on lots <br /> <br />prior to building development or sale. <br />. Third, subdivision regulations are more flexible than <br />zoning in requiring land improvement through fill, <br /> <br />bulk-heading, construction of levees or other techniques <br /> <br />to overcome flood hazards and provide suitable building <br />sites. These improvements may be possible because the <br />subdivider is operating at a scale impossible for indivi- <br />dual lot owners. He may be able to pass along improve~ <br />ment costs to purchasers. <br />Fourth, subdivision regulations, if properly authorized <br />by an enabling act, might be used to require reservation Li?,,') <br />~.~-. <br /> <br />or dedication of certain drainage ways or floodway areas <br />