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I. Urbanization. <br /> <br /> 1. The level of general development in unincorporated areas of Cabarrus County is not <br />expected to contribute appreciatively to a rise in the height of general flooding, however, <br />continued residential and commercial development along the Rocky River may contribute to <br />higher levels of flooding in future years. As municipalities within Cabarms County continue to <br />grow, flash flood levels within small drainage basins are expected to increase significantly if <br />mitigation measures such as on-site storm water retention are not required. <br /> <br /> 2. Another significant problem with increasing urbanization, is the reduced amount of <br />time between the rainfall event and the actual flooding. Without mitigation, urbanization <br />increases the likelihood of flash floods, increases the land susceptible to flooding, and reduces <br />warning time for evacuation of susceptible populations. <br /> <br />Draft Annex B V.3 B-6 1 June 2002 <br /> <br /> <br />