Stormwater Report 1

Time (Min) 504 510 516 522 528 534 540 546 552 558 564 570 576 582 588 594 600 606 612 618 624 630 636 642 648 654 660 666 672 678 684 690 696 702 708 714 720 726 732 738 744 750 756 Existing Conditions 2-Year 10-Year 100-Year (CFS) (CFS) (CFS) 0.269493 0.472612 0.911172 0.274927 0.483068 0.930012 0.280174 0.493116 0.948035 0.285973 0.503681 0.967017 0.292093 0.514184 0.985845 0.298335 0.524498 1.004282 0.304635 0.534746 1.022558 0.313493 0.549452 1.049296 0.326998 0.572255 1.091399 0.343809 0.60077 1.14426 0.362481 0.632448 1.202984 0.381197 0.664104 1.261475 0.400302 0.696339 1.320875 0.419446 0.728543 1.380025 0.438977 0.761321 1.440073 0.458893 0.794672 1.501008 0.478837 0.827976 1.561662 0.499163 0.861847 1.623188 0.519506 0.895655 1.684397 0.540224 0.930018 1.746455 0.561315 0.964932 1.809354 0.582406 0.999757 1.871892 0.613351 1.051344 1.965493 0.663681 1.135912 2.120251 0.727601 1.243407 2.317116 0.798908 1.363114 2.535893 0.871193 1.484012 2.7559 0.95503 1.624009 3.01019 1.061159 1.801204 3.331961 1.182835 2.003937 3.699216 1.313931 2.221654 4.092117 1.447354 2.442226 4.488061 1.672744 2.815929 5.161236 1.990397 3.342481 6.109565 2.405526 4.028267 7.340042 3.156396 5.267673 9.562263 4.657614 7.736543 13.97224 7.702218 12.71337 22.80845 9.33902 15.34767 27.40988 7.484421 12.25998 21.82383 5.125889 8.366888 14.84156 3.157937 5.135263 9.076007 2.546166 4.133986 7.295726 Proposed Conditions 2-Year 10-Year 100-Year (CFS) (CFS) (CFS) 0.256506 0.454947 0.889234 0.261677 0.465278 0.908038 0.266684 0.475224 0.926057 0.272262 0.485678 0.945022 0.278211 0.49608 0.963847 0.284319 0.506307 0.982299 0.290502 0.516479 1.000601 0.299133 0.53097 1.027203 0.312215 0.553308 1.068874 0.328471 0.581197 1.121122 0.346529 0.612181 1.179163 0.364657 0.643184 1.237031 0.383183 0.674788 1.295845 0.401775 0.706401 1.354468 0.420764 0.738612 1.414024 0.440152 0.771419 1.474506 0.459594 0.804221 1.534762 0.479431 0.837611 1.595924 0.499313 0.870981 1.656825 0.519583 0.904929 1.718607 0.54024 0.939451 1.781263 0.560925 0.973924 1.843607 0.591146 1.024788 1.936621 0.640121 1.107899 2.090019 0.702299 1.213504 2.285091 0.771726 1.331192 2.501978 0.842234 1.45023 2.720311 0.924075 1.588158 2.972759 1.02769 1.762739 3.292183 1.146605 1.962635 3.65693 1.274925 2.177567 4.047457 1.405807 2.395693 4.441442 1.626587 2.764771 5.110632 1.937762 3.284786 6.053252 2.345039 3.962811

4075 1.588158 2.972759 1.02769 1.762739 3.292183 1.146605 1.962635 3.65693 1.274925 2.177567 4.047457 1.405807 2.395693 4.441442 1.626587 2.764771 5.110632 1.937762 3.284786 6.053252 2.345039 3.962811 7.277119 3.081908 5.188314 9.487363 4.557312 7.631952 13.87593 7.55659 12.56577 22.67678 9.178928 15.18888 27.27162 7.365558 12.14398 21.72465 5.051342 8.295491 14.78176 3.116356 5.09625 9.044058 2.514032 4.10408 7.271444 3 of 12 2-Year (CFS) -0.013 -0.013 -0.013 -0.014 -0.014 -0.014 -0.014 -0.014 -0.015 -0.015 -0.016 -0.017 -0.017 -0.018 -0.018 -0.019 -0.019 -0.020 -0.020 -0.021 -0.021 -0.021 -0.022 -0.024 -0.025 -0.027 -0.029 -0.031 -0.033 -0.036 -0.039 -0.042 -0.046 -0.053 -0.060 -0.074 -0.100 -0.146 -0.160 -0.119 -0.075 -0.042 -0.032 Difference 10-Year 100-Year (CFS) (CFS) -0.018 -0.022 -0.018 -0.022 -0.018 -0.022 -0.018 -0.022 -0.018 -0.022 -0.018 -0.022 -0.018 -0.022 -0.018 -0.022 -0.019 -0.023 -0.020 -0.023 -0.020 -0.024 -0.021 -0.024 -0.022 -0.025 -0.022 -0.026 -0.023 -0.026 -0.023 -0.027 -0.024 -0.027 -0.024 -0.027 -0.025 -0.028 -0.025 -0.028 -0.025 -0.028 -0.026 -0.028 -0.027 -0.029 -0.028 -0.030 -0.030 -0.032 -0.032 -0.034 -0.034 -0.036 -0.036 -0.037 -0.038 -0.040 -0.041 -0.042 -0.044 -0.045 -0.047 -0.047 -0.051 -0.051 -0.058 -0.056 -0.065 -0.063 -0.079 -0.075 -0.105 -0.096 -0.148 -0.132 -0.159 -0.138 -0.116 -0.099 -0.071 -0.060 -0.039 -0.032 -0.030 -0.024