Stormwater Report 1

Time (Min) 0 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120 126 132 138 144 150 156 162 168 174 180 186 192 198 204 210 216 222 228 234 240 TABLE 8 EXISTING VS. PROPOSED RUNOFF RATES - FUTURE PROJECTED RAINFALL Existing Conditions Proposed Conditions Difference 2-Year 10-Year 100-Year 2-Year 10-Year 100-Year 2-Year 10-Year 100-Year (CFS) (CFS) (CFS) (CFS) (CFS) (CFS) (CFS) (CFS) (CFS) 0 0 0 0 0 0 0.000 0.000 0.000 0 0 0 0 0 0 0.000 0.000 0.000 0 0 0 0 0 0 0.000 0.000 0.000 0 0 0 0 0 0 0.000 0.000 0.000 0 0 0.002988 0 0 0.002844 0.000 0.000 0.000 0 0 0.018113 0 0 0.01724 0.000 0.000 -0.001 0 0 0.048266 0 0 0.04594 0.000 0.000 -0.002 0 0.002519 0.08504 0 0.002398 0.080942 0.000 0.000 -0.004 0 0.010551 0.121314 0 0.010042 0.115467 0.000 -0.001 -0.006 0 0.022668 0.152981 0 0.021575 0.145609 0.000 -0.001 -0.007 0.001043 0.036563 0.181248 0.000993 0.034801 0.172513 0.000 -0.002 -0.009 0.004488 0.049934 0.206418 0.004272 0.047528 0.19647 0.000 -0.002 -0.010 0.009936 0.062379 0.228807 0.009458 0.059373 0.21778 0.000 -0.003 -0.011 0.016391 0.074161 0.249453 0.015601 0.070587 0.237431 -0.001 -0.004 -0.012 0.022837 0.085165 0.268009 0.021737 0.08106 0.255093 -0.001 -0.004 -0.013 0.029023 0.095503 0.284955 0.027624 0.0909 0.271223 -0.001 -0.005 -0.014 0.034949 0.105162 0.300252 0.033265 0.100094 0.285782 -0.002 -0.005 -0.014 0.040642 0.114268 0.314342 0.038683 0.108761 0.299193 -0.002 -0.006 -0.015 0.046116 0.122872 0.327386 0.043894 0.116951 0.311608 -0.002 -0.006 -0.016 0.05148 0.131245 0.340075 0.048999 0.12492 0.323685 -0.002 -0.006 -0.016 0.056659 0.139213 0.351977 0.053929 0.132504 0.335014 -0.003 -0.007 -0.017 0.061615 0.146679 0.36284 0.058646 0.13961 0.345353 -0.003 -0.007 -0.017 0.066516 0.154049 0.37367 0.063311 0.146625 0.355662 -0.003 -0.007 -0.018 0.071206 0.160964 0.383594 0.067774 0.153207 0.365107 -0.003 -0.008 -0.018 0.075746 0.167587 0.393025 0.072096 0.159511 0.374084 -0.004 -0.008 -0.019 0.08008 0.173786 0.401641 0.076221 0.165411 0.382285 -0.004 -0.008 -0.019 0.084277 0.179733 0.409859 0.080216 0.171071 0.390107 -0.004 -0.009 -0.020 0.088485 0.185728 0.418343 0.08422 0.176777 0.398182 -0.004 -0.009 -0.020 0.092575 0.191514 0.426511 0.088114 0.182284 0.405957 -0.004 -0.009 -0.021 0.096473 0.196928 0.43399 0.091824 0.187438 0.413075 -0.005 -0.009 -0.021 0.100263 0.202159 0.441208 0.095431 0.192416 0.419945

092575 0.191514 0.426511 0.088114 0.182284 0.405957 -0.004 -0.009 -0.021 0.096473 0.196928 0.43399 0.091824 0.187438 0.413075 -0.005 -0.009 -0.021 0.100263 0.202159 0.441208 0.095431 0.192416 0.419945 -0.005 -0.010 -0.021 0.103862 0.207033 0.447775 0.098857 0.197056 0.426196 -0.005 -0.010 -0.022 0.107613 0.21224 0.455186 0.102426 0.202011 0.433249 -0.005 -0.010 -0.022 0.11118 0.21711 0.461984 0.105822 0.206647 0.43972 -0.005 -0.010 -0.022 0.114661 0.221844 0.468601 0.109135 0.211152 0.446018 -0.006 -0.011 -0.023 0.118128 0.226568 0.475603 0.112435 0.215649 0.452735 -0.006 -0.011 -0.023 0.121518 0.231173 0.483356 0.115662 0.220032 0.460316 -0.006 -0.011 -0.023 0.124729 0.235461 0.49151 0.118718 0.224114 0.468441 -0.006 -0.011 -0.023 0.127869 0.239644 0.50011 0.121707 0.228095 0.477084 -0.006 -0.012 -0.023 0.13083 0.243516 0.508337 0.124525 0.231781 0.485403 -0.006 -0.012 -0.023 0.134019 0.247837 0.517587 0.12756 0.235893 0.4947 -0.006 -0.012 -0.023 7 of 12