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<br />FLOOD CONTROL AND DRAINAGE IMPROVEMENTS <br /> <br />TOWN OF ORDWAY, COLORADO <br /> <br />February 19BB <br /> <br />Drainage Basins <br /> <br />Town of Ordway is divided into three drainage <br />basins, namely the East, Central, and West basins. <br />These basins are tributary to Bob Creek which is <br />tributary to Lake Meredith south of town. The <br />boundaries of these drainage basins are shown in Figure <br />1. Internal drainage within these basins is by a <br />network of open channels and/or small diameter storm <br />sewers. A summary of peak discharges and area at <br />selected design points under future developed conditions <br />is shown in Table 1. <br /> <br />Table 1. Summary of Peak Discharges <br />Future Development Conditions <br /> <br />--------------------------------------------------------------- <br />Design Area Peak Discharge. cfs <br />Point Location (acres) 5-yr 10-yr 50-yr 100-yr <br />------ ------------------- ------- ------ ------ ------ ------ <br />East Basin <br />DP1 11th and Colorado 71 BOO 260 3BO 740 990 <br />DP3 3rd & Colorado 71 1190 3BO 510 1020 1340 <br />DP4 1st and Colorado 71 1210 510 710 1160 1460 <br />Central Basin <br />DP2 11th and Main 77 30 44 100 130 <br />DPB 11th & Otero (ext) 5B 25 40 BO 110 <br />DP5 1st and Otero 9B 110 100 170 220 <br />DP10 1st and Colorado Ave. 142 200 2BO 450 560 <br />DP9 1st & Main (ext) 155 150 220 370 440 <br />West Basin <br />DP6 1st & County Road 17 21 40 50 70 90 <br />DP7 N.W. Basin at RR 5630 1490 2040 3270 40BO <br /> <br />-------------------------------------------------------------- <br />