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<br />II <br />II <br />II <br />11. <br />II <br />11 <br />!I <br />:1 <br />I <br />'I <br />'I <br />'I <br />I <br />m <br />I <br />I <br />'I <br />IE <br />II <br /> <br />Lower Big Dry Creek Hydrologic Study <br /> <br />what" to whom so the cost of drainage solutions to problems created by future <br />development can be placed on those who would change the use of land from <br />permeable to impermeable. Runoff from existing development is also computed <br />and the need, ~r any, to solve existing drainage problems can be determined and <br />costs of solutions estimated. <br /> <br />The criteria and policies in the UDFCD manuals are written to help communities comply with <br />drainage law, as described above. In general, the policies and storm drainage criteria in plaee in <br />the urbanized portions of the Big Dry Creek Watershed are consistent with these principles of <br />drainage law. <br /> <br />5.3 Summary of Drainage and Planning Studies Completed in the Urbanized <br />Portion of the Watershed <br /> <br />UDFCD coordinates and facilitates development of storm drainage master plans, outfall system <br />plans and flood hazardl area delineation studies. These plans are the roadmaps that the cities and <br />counties seek to follow when planning for storm drainage. In the Big Dry Creek watershed, the <br />first plan was comp1et,ed in 1979, with 13 more completed over the last 25 years and one planned <br />for this year. TypicaJl1y, local communities implement capital improvements recommended in <br />these plans as new developments occur and as funding allows. <br /> <br />The key major drainageway plans, outfall system plans and flood hazard area delineations studies <br />completed in the watershed are summarized in Table 6. WWE has reviewed these plans" and <br />they form the basis of much of the hydrologic analysis in this report. <br /> <br />971-179.092 <br />June 2005 <br /> <br />Wright Water Engineers, Inc. <br /> <br />Page 31 <br />