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<br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />i. <br />'. <br />. <br />I. <br />. <br />'. <br />. <br />. <br />I. <br />.. <br />'. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br /> <br />Approximate Flooding Sources with Significant Urban Development. Application of the CWCB <br />regional regression equations is limited to rural or undeveloped watersheds. Urbanization of a <br />watershed can significantly alter the hydrology of a stTeam system. Within the 1999 PIS, there <br />are several approximately studied streams located within watersheds that have undergone <br />significant development. These streams are noted in Table 3 and consist of Smith Creek, the <br />unnamed tributary to Monument Creek north of Dry Creek and Douglas Creek North. In these <br />cases, discharge rates computed by the CWCB regression equations may underestimate peak <br />discharge rates and have not been utilized. Application of the CWCB regression equations to <br />these basins is appropriate only for stream reaches upstream of significant development. <br /> <br />5 <br />