Drainage Overview - Maricopa County Department of Transportation

Table D.6: Summary of Peak Discharges
100-yr 24-hr Storm 100-yr 6-hr Storm
Model ID Drainage Area Exst. Cond. Fut. Cond. Drainage Area Exst. Cond. Fut. Cond.
Appendix D.6 Page 4 of 13
Controlling Storm
Exst. Cond. Fut Cond.
[mi 2 ] Q [cfs] Q [cfs] [mi 2 ] Q [cfs] Q [cfs] Storm Q [cfs] Storm Q [cfs]
CPI615 6.21 701 798 7.20 952 982 6-hour 952 6-hour 982
CPI618 5.48 629 656 6.46 661 866 6-hour 661 6-hour 866
CPI621 10.22 1,200 1,397 11.70 1,028 1,287 24-hour 1,200 24-hour 1,397
CPI624 8.57 1,837 2,360 9.21 1,564 2,243 24-hour 1,837 24-hour 2,360
CPI628 4.11 750 763 4.75 594 1,057 24-hour 750 6-hour 1,057
CPI633 241.94 3,906 3,160 246.48 2,199 2,865 24-hour 3,906 24-hour 3,160
CPI635 223.30 2,908 677 225.17 1,523 2,123 24-hour 2,908 6-hour 2,123
CPI639 0.37 173 184 0.43 288 310 6-hour 288 6-hour 310
CPI645 11.72 4,921 4,890 11.72 5,320 5,404 6-hour 5,320 6-hour 5,404
CPI651 7.26 3,455 3,308 7.26 3,894 3,811 6-hour 3,894 6-hour 3,811
CPI654 6.34 3,103 2,831 6.34 3,587 3,352 6-hour 3,587 6-hour 3,352
CPI660 2.31 986 906 2.31 1,270 1,172 6-hour 1,270 6-hour 1,172
CPI672 6.98 2,266 2,407 6.98 2,483 2,753 6-hour 2,483 6-hour 2,753
CPI675 14.77 6,454 6,800 14.77 6,471 7,156 6-hour 6,471 6-hour 7,156
CPI678 19.55 9,081 9,528 19.55 8,723 9,652 24-hour 9,081 6-hour 9,652
CPI681 18.72 9,687 10,027 18.72 9,152 10,009 24-hour 9,687 24-hour 10,027
CPI684 17.73 10,128 10,632 17.73 9,384 10,270 24-hour 10,128 24-hour 10,632
CPI687 16.99 10,065 10,688 16.99 9,390 10,250 24-hour 10,065 24-hour 10,688
CPI689 9.98 6,934 7,340 9.98 6,591 7,228 24-hour 6,934 24-hour 7,340
CPI690 14.71 6,673 7,007 14.71 6,659 7,346 24-hour 6,673 6-hour 7,346
CSV200 99.52 14,084 14,856 99.49 11,885 12,735 24-hour 14,084 24-hour 14,856
CSV212 38.68 7,363 8,859 38.68 6,822 8,643 24-hour 7,363 24-hour 8,859
CSV216 6.82 2,345 2,364 6.82 2,621 2,753 6-hour 2,621 6-hour 2,753
CSV218 2.82 1,692 1,668 2.82 1,767 1,834 6-hour 1,767 6-hour 1,834
CSV219 1.14 1,104 1,112 1.14 1,122 1,150 6-hour 1,122 6-hour 1,150
CSV220 30.63 6,753 7,844 30.63 6,403 7,777 24-hour 6,753 24-hour 7,844
CSV244 1.62 720 804 1.62 917 1,053 6-hour 917 6-hour 1,053
CSV246 0.76 395 421 0.76 514 555 6-hour 514 6-hour 555
CSV256 0.44 340 391 0.44 484 564 6-hour 484 6-hour 564
CSV260 16.99 5,765 6,663 16.99 6,422 7,564 6-hour 6,422 6-hour 7,564
CSV264 4.82 2,264 2,474 4.82 2,714 3,000 6-hour 2,714 6-hour 3,000
CSV272 3.84 1,566 1,843 3.84 1,966 2,342 6-hour 1,966 6-hour 2,342
CSV276 7.41 3,247 3,634 7.41 3,738 4,303 6-hour 3,738 6-hour 4,303
CSV280 9.54 3,723 4,203 9.54 4,248 4,905 6-hour 4,248 6-hour 4,905
CSV284 1.82 1,157 1,270 1.82 1,449 1,635 6-hour 1,449 6-hour 1,635
CTW400 163.05 17,339 21,188 163.08 11,450 14,523 24-hour 17,339 24-hour 21,188
CTW402 135.09 16,124 19,464 135.06 11,555 14,148 24-hour 16,124 24-hour 19,464
* Drainage areas may differ between the 24-hour and 6-hour storms: the HEC-1 hard coding was performed separately for the 24-hour and 6-hour storms.