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Appendix F: Existing Conditions
Appendix F Existing Conditions Hydrologic Modeling Results --t> '21 C/) E ID - C/) >. (f) .... ID - :J a. E o '<;tu oe I() 0 .~ "f"'N~ ('1)- .-. ~ -g (1)1'--= '- a. o a. 'to- oCt: E ·8 (GOo '-CN 0)- I .!2 I ~ CWO) (j)"- ~~@ cu..co c-oco .- Q) co cu .......- '-coo C 0..0 Q)t: à:Cñ o o ~ @ o oCt: o o .... "'0 >. I ~l .--\1> -----i7 sj315 Prepared by SEH Inc. HydroCAD® 7.00 sIn 001860 © 1986-2003 Applied Microcomputer Systems Type /I 24-hr 25-year Rainfal/=4.00" Page 1 7/8/2004 Time span=0.00-40.00 hrs, dt=0.05 hrs, 801 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Stor-Ind+ Trans method - Pond routing by Stor-Ind method Subcatchment 2: Runoff Area=66.790 ac Runoff Depth=0.92" Flow Length=1,290' Tc=28.8 min CN=63 Runoff=45.58 cfs 5.108 af Subcatchment 4: Runoff Area=60.350 ac Runoff Depth=1.14" Flow Length=970' Tc=43.6 min CN=67 Runoff=41.26 cfs 5.757af Subcatchment 5: Runoff Area=97.810 ac Runoff Depth=2.20" Flow Length=1,150' Tc=30.8 min CN=82 Runoff=183.13 cfs 17.956 af Subcatchment 6: Runoff Area=40.800 ac Runoff Depth=1.67" Flow Length=430' Tc=7.5 min CN=75 Runoff=113.31 cfs 5.667 af Subcatchment 7: Runoff Area=229.800 ac Runoff Depth=1.46" Flow Length=4,21 0' Tc=115.6 min CN=72 Runoff=102.89 cfs 27.960 af Subcatchment 8: Runoff Area=48.200 ac Runoff Depth=1.60" Flow Length=1,210' Tc=59.8 min CN=74 Runoff=39.46 cfs 6.412 af Subcatchment 9A: Runoff Area=33.920 ac Runoff Depth=2.37" Flow Length=1,220' Tc=76.9 min CN=84 Runoff=35.73 cfs 6.702 af Subcatchment 9B: Runoff Area=28.610 ac Runoff Depth=1.74" Flow Length=1,190' Tc=58.5 min CN=76 Runoff=26.30 cfs 4.145 af Subcatchment 9C: Runoff Area=9.340 ac Runoff Depth=1.74" Flow Length=1,010' Tc=16.4 min CN=76 Runoff=19.83 cfs 1.353 af Subcatchment 10A: Runoff Area=4.940 ac Runoff Depth=1.67" Flow Length=905' Tc=14.6 min CN=75 Runoff=10.61 cfs 0.686 af Subcatchment 10B: Runoff Area=18.990 ac Runoff Depth=0.81" Flow Length=510' Tc=23.0 min CN=61 Runoff=12.73 cfs 1.286 af Subcatchment 10C: Runoff Area=28.950 ac Runoff Depth=0.97" Flow Length=1,250' Tc=31.7 min CN=64 Runoff=20.00 cfs 2.346 af Subcatchment 11A: Runoff Area=27.380 ac Runoff Depth=1.74" Flow Length=1, 1 00' Tc=21.2 min CN=76 Runoff=50.32 cfs 3.967 af Subcatchment 11 B: Runoff Area=45.600 ac RunoffDepth=1.60" Flow Length=1, 120' Tc=21.1 min CN=74 Runoff=76.46 cfs 6.066 af Subcatchment 12: Runoff Area=23.810 ac Runoff Depth=1.89" Flow Length=1 ,925' Tc=21.1 min CN=78 Runoff=47.95 cfs 3.744 af sj315 Prepared by SEH Inc. HydroCAD® 7.00 sIn 001860 © 1986-2003 Applied Microcomputer Systems Type 1/ 24-hr 25-year Rainfal/=4.00" Page 2 7/8/2004 Subcatchment 13A: Runoff Area=25.800 ac Runoff Depth=1.03" Flow Length=1,030' Tc=48.8 min CN=65 Runoff=14.06 cfs 2.211 af Subcatchment 138: Runoff Area=23.900 ac Runoff Depth=1.60" Flow Length=1,120' Tc=18.0 mìn CN=74 Runoff=43.98 cfs 3.179 af Subcatchment 13C: Runoff Area=65.600 ac Runoff Depth=1.46" Flow Length=1,250' Tc=57.0 min CN=72 Runoff=50.05 cfs 7.982 af Subcatchment 14APOST: Runoff Area=29.900 ac Runoff Depth=1.33" Flow Length=2,321, Tc=33.3 min CN=70 Runoff=30.01 cfs 3.313 af Subcatchment 148POST: Runoff Area=13.600 ac Runoff Depth=1.33" Flow Length=1,014' Tc=20.3 min CN=70 Runoff=18.89 cfs 1.507 af Subcatchment 14PRE: Runoff Area=43.490 ac Runoff Depth=1.60" Flow Length=1,378' Tc=85.5 min CN=74 Runoff=27.29 cfs 5.785 af Subcatchment 15: Runoff Area=66.1 00 ac Runoff Depth=1.60" Flow Length=2,072' Tc=22.9 min CN=74 Runoff=105.46 cfs 8.793 af Subcatchment 16A: Runoff Area=61.700 ac Runoff Depth=1.03" Flow Length=1,600' Tc=93.4 min CN=65 Runoff=20.86 cfs 5.288 af Subcatchment 168: Runoff Area=61.000 ac Runoff Depth=1.46" Flow Length=2,350' Tc=45.2 min CN=72 Runoff=55.08 cfs 7.422 af Subcatchment 16C: Runoff Area=59.610 ac Runoff Depth=1.33" Flow Length=2,780' Tc=43.0 min CN=70 Runoff=49.80 cfs 6.605 af Subcatchment 17: Runoff Area=1 01.580 ac Runoff Depth=1.89" Flow Length=1,305' Tc=62.6 min CN=78 Runoff=97.48 cfs 15.973 af Subcatchment 18: Runoff Area=35.800 ac Runoff Depth=1.33" Flow Length=720' Tc=40.9 min CN=70 Runoff=31.05 cfs 3.967 af Subcatchment 19: Runoff Area=36.970 ac Runoff Depth=1.74" Flow Length=1,200' Tc=45.9 min CN=76 Runoff=40.50 cfs 5.356 af Subcatchment 20: Runoff Area=91.91 0 ac Runoff Depth=1.27" Flow Length=3,280' Tc=42.2 min CN=69 Runoff=73.22 cfs 9.701 af Subcatchment 21: Runoff Area=19.200 ac Runoff Depth=1.53" Flow Length=1,31 0' Tc=79.9 min CN=73 Runoff=11.97 cfs 2.444 af Subcatchment 22: Runoff Area=31.300 ac Runoff Depth=0.86" Flow Length=910' Tc=34.8 min CN=62 Runoff=17.13 cfs 2.255 af sj315 Prepared by SEH Inc. HydroCAD® 7.00 sIn 001860 © 1986-2003 Applied Microcomputer Systems Type 1/ 24-hr 25-year Rainfal/=4.00" Page 3 7/8/2004 Subcatchment 23: Runoff Area=94.700 ac Runoff Depth=0.71" Flow Length=2,310' Tc=108.8 min CN=59 Runoff=17.38 cts 5.624 at Subcatchment 24A: Runoff Area=30.810 ac Runoff Depth=0.53" Flow Length=520' Tc=80.3 min CN=55 Runoff=4.46 cts 1.360 at Subcatchment 248: Runoff Area=34.890 ac Runoff Depth=1.60" Flow Length=930' Tc=39.8 min CN=74 Runoff=38.37 cts 4.641 af Subcatchment 24C: Runoff Area=15.100 ac Runoff Depth=1.67" Flow Length=1 ,030' Tc=92.9 min CN=75 Runoff=9.36 cts 2.097 af Subcatchment 30A: Runoff Area=25.030 ac Runoff Depth=1.33" Flow Length=1,850' Tc=47.7 min CN=70 Runoff=19.39 cts 2.773 af Subcatchment 308: Runoff Area=119.000 ac Runoff Depth=1.03" Flow Length=3,200' Tc=102.5 min CN=65 Runoff=37.50 cfs 10.199 af Subcatchment 30C: Runoff Area=37.460 ac Runoff Depth=1.14" Flow Length=1,350' Tc=29.5 min CN=67 Runoff=33.87 cfs 3.574 af Subcatchment 30D: Runoff Area=32.510 ac Runoff Depth=2.55" Flow Length=1 ,900' Tc=28.9 min CN=86 Runoff=73.22 cfs 6.898 af Subcatchment 31: Runoff Area=16.000 ac Runoff Depth=2.29" Flow Length=806' Tc=4.0 min CN=83 Runoff=67.91 cfs 3.048 af Subcatchment 32: Runoff Area=112.340 ac Runoff Depth=2.37" Tc=O.O min CN=84 Runoff=534.82 cfs 22.197 af Subcatchment 33: Runoff Area=41.970 ac Runoff Depth=1. 74" Flow Length=1, 142' Tc=55.3 min CN=76 Runoff=40.23 cfs 6.081 af Subcatchment 34A: Runoff Area=40.590 ac Runoff Depth=1.14" Flow Length=1,050' Tc=77.8 min CN=67 Runoff=18.00 cfs 3.872 af Subcatchment 348: Runoff Area=80.890 ac Runoff Depth=1.81" Flow Length=1,240' Tc=35.7 min CN=77 Runoff=111.08 cfs 12.214 af Subcatchment 34C: Runoff Area=71.200 ac Runoff Depth=1.60" Flow Length=2,730' Tc=114.2 min CN=74 Runoff=35.56 cfs 9.471 af Subcatchment 34D: Runoff Area=34.834 ac Runoff Depth=1.96" Flow Length=1,349' Tc=35.1 min CN=79 Runoff=52.89 cfs 5.700 af Subcatchment 35: Runoff Area=295.290 ac Runoff Depth=1. 74" Flow Length=2,445' Tc=125.0 min CN=76 Runoff=152.23 cfs 42.781 af sj315 Prepared by SEH Inc. HydroCAD® 7.00 sIn 001860 © 1986-2003 Applied Microcomputer Systems Type /I 24-hr 25-year Rainfal/=4.00" Page 4 7/8/2004 Subcatchment 36: Runoff Area=80.130 ac Runoff Depth=1.67" Flow Length=885' Tc=60.5 min CN=75 Runoff=68.42 cfs 11.129 af Subcatchment 37: Runoff Area=98.848 ac Runoff Depth=1.67" Flow Length=1,630' Tc=110.9 min CN=75 Runoff=53.35 cfs 13.729 af Subcatchment 38: Runoff Area=39.821 ac Runoff Depth=1.81" Flow Length=660' Tc=20.0 min CN=77 Runoff=79.11 cfs 6.013 at Subcatchment 39: Runoff Area=225.882 ac Runoff Depth=1.67" Tc=O.O min CN=75 Runoff=777.71 cfs 31.372 af Subcatchment 40: Runoff Area=217.600 ac Runoff Depth=1.60" Flow Length=8,743' Tc=242.5 min CN=74 Runoff=60.65 cfs 28.946 at Subcatchment 41: Runoff Area=214.460 ac Runoff Depth=1.46" Flow Length=2,010' Tc=62.0 min CN=72 Runoff=153.63 cfs 26.094 af Subcatchment 42A: Runoff Area=402.900 ac Runoff Depth=0.97" Flow Length=4,456' Tc=180.3 min CN=64 Runoff=76.35 cts 32.649 at Subcatchment 428_1 E: Runoff Area=50.500 ac Runoff Depth=1.67" Flow Length=2,100' Tc=122.1 min CN=75 Runoff=25.24 cfs 7.014 at Subcatchment 428_2E: Runoff Area=180.600 ac Runoff Depth=1.74" Flow Length=3,100' Tc=320.5 min CN=76 Runoff=44.57 cfs 26.165 at Subcatchment 42C_1 E: Runoff Area=165.000 ac Runoff Depth=1.89" Flow Length=3,300' Tc=72.0 min CN=78 Runoff=142.61 cts 25.945 af Subcatchment 42C_2E: Runoff Area=190.000 ac Runoff Depth=2.12" Flow Length=4,350' Tc=171.1 min CN=81 Runoff=96.40 cfs 33.590 af Subcatchment 42DE: Runoff Area=112.000 ac Runoff Depth=2.12" Flow Length=1,700' Tc=110.0min CN=81 Runoff=80.06cfs 19.801 af Subcatchment 44: Runoff Area=526.240 ac Runoff Depth=0.71" Flow Length=6,1 05' Tc=298.6 min CN=59 Runoff=47.00 cts 31.254 at Subcatchment 45: Runoff Area=171. 700 ac Runoff Depth=1.26" Flow Length=3,620' Tc=475.1 min CN=69 Runoff=22.23 cfs 18.087 af Subcatchment 46: Runoff Area=231.340 ac Runoff Depth=1.33" Flow Length=1,320' Tc=101.9 min CN=70 Runoff=101.87 cfs 25.634 af Subcatchment 47E: Runoff Area=150.000 ac Runoff Depth=2.29" Flow Length=975' Tc=67.6 min CN=83 Runoff=167.67 cts 28.577 af sj315 Prepared by SEH Inc. HydroCAD® 7.00 sIn 001860 © 1986-2003 Applied Microcomputer Systems Type 1/ 24-hr 25-year Rainfal/=4.OO" Page 5 7/8/2004 Subcatchment 51: Runoff Area=139.290 ac Runoff Depth=1.53" Flow Length=2,290' Tc=95.1 min CN=73 Runoff=76.36 cfs 17.730 at Subcatchment 52: Runoff Area=116.620 ac Runoff Depth=0.86" Flow Length=2,200' Tc=110.0 min CN=62 Runoff=27;30 cfs 8.401 at Reach 31R: Intlow=0.55 cfs 0.669 at Outflow=0.55 cts 0.669 af Pond 14P: Peak Elev=1,081.94' Storage=2.628 af InfJow=44.40 cfs 5.489 af Discarded=2.01 cts 5.487 at Prìmary=3.85 cts 1.457 af Secondary=O.OO cfs 0.000 at OutfJow=5.86 cts 6.944 at Pond 30P: Peak Elev=1 ,090.52' Storage=4.046 af Intlow=19.39 cfs 2.773 at 18.0" x 20.0' Culvert OutfJow=0.55 cfs 0.669 at Pond 41P: Peak Elev=1.092.42' Storage=26.094 at Intlow=153.63 cts 26.094 at Outflow=O.OO cts 0.000 at Total Runoff Area = 5,928.295 ac Runoff Volume = 725.600 af Average Runoff Depth = 1.47" sj315 Prepared by SEH Inc. HydroCAD® 7.00 sIn 001860 © 1986-2003 Applied Microcomputer Systems Type 1/ 24-hr 100-year Rainfal/=5.80" Page 6 7/8/2004 Time span=0.00-40.00 hrs, dt=0.05 hrs, 801 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Stor-Ind+ Trans method - Pond routing by Stor-Ind method Subcatchment 2: Runoff Area=66.790 ac Runoff Depth=2.04" Flow Length=1,290' Tc=28.8 min CN=63 Runoff=114.73 cfs 11.342 af Subcatchment 4: Runoff Area=60.350 ac Runoff Depth=2.38" Flow Length=970' Tc=43.6 min CN=67 Runoff=93.24 cfs 11.970 af Subcatchment 5: Runoff Area=97.810 ac Runoff Depth=3.80" Flow Length=1, 150' Tc=30.8 min CN=82 Runoff=315.88 cfs 31.002 af Subcatchment 6: Runoff Area=40.800 ac Runoff Depth=3.11" Flow Length=430' Tc=7.5 min CN=75 Runoff=21 0.65 cfs 10.582 af Subcatchment 7: Runoff Area=229.800 ac Runoff Depth=2.83" Flow Length=4,21 0' Tc=115.6 min CN=72 Runoff=208.54 cfs 54.204 at Subcatchment 8: Runoff Area=48.200 ac Runoff Depth=3.02" Flow Length=1,210' Tc=59.8 min CN=74 Runoff=77.23 cfs 12.120 af Subcatchment 9A: Runoff Area=33.920 ac Runoff Depth=4.01" Flow Length=1,220' Tc=76.9 min CN=84 Runoff=60.40 cfs 11.334 at Subcatchment 98: Runoff Area=28.610 ac Runoff Depth=3.21" Flow Length=1, 190' Tc=58.5 min CN=76 Runoff=49.76 cfs 7.649 af Subcatchment 9C: Runoff Area=9.340 ac Runoff Depth=3.21" Flow Length=1,010' Tc=16.4 min CN=76 Runoff=36.87 cfs 2.497 af Subcatchment 10A: Runoff Area=4.940 ac Runoff Depth=3.11" Flow Length=905' Tc=14.6 min CN=75 Runoff=20.01 cts 1.281 at Subcatchment 108: Runoff Area=18.990 ac Runoff Depth=1.87" Flow Length=510' Tc=23.0 min CN=61 Runoff=34.10 cfs 2.964 af Subcatchment 10C: Runoff Area=28.950 ac Runoff Depth=2.12" Flow Length=1,250' Tc=31.7 min CN=64 Runoff=48.87 cfs 5.119 af Subcatchment 11A: Runoff Area=27.380 ac Runoff Depth=3.21" Flow Length=1,100' Tc=21.2 min CN=76 Runoff=94.04 cfs 7.320 af Subcatchment 118: Runoff Area=45.600 ac Runoff Depth=3.02" Flow Length=1,120' Tc=21.1 min CN=74 Runoff=147.54cfs 11.466af Subcatchment 12: Runoff Area=23.810 ac Runoff Depth=3.40" Flow Length=1 ,925' Tc=21.1 min CN=78 Runoff=86.95 cfs 6.752 af sj315 Prepared by SEH Inc. HydroCAD® 7.00 sIn 001860 © 1986-2003 Applied Microcomputer Systems Type 1/ 24-hr 100-year Rainfal/=5.80" Page 7 7/8/2004 Subcatchment 13A: Runoff Area=25.800 ac Runoff Depth=2.21" Flow Length=1 ,030' Tc=48.8 min CN=65 Runoff=33.59 cfs 4.745 af Subcatchment 138: Runoff Area=23.900 ac Runoff Depth=3.02" Flow Length=1,120' Tc=18.0min CN=74 Runoff=84.61 cfs 6.010af Subcatchment 13C: Runoff Area=65.600 ac Runoff Depth=2.83" Flow Length=1,250' Tc=57.0 min CN=72 Runoff=101.65 cfs 15.473 af Subcatchment 14APOST: Runoff Area=29.900 ac Runoff Depth=2.65" Flow Length=2,321, Tc=33.3 min CN=70 Runoff=63.01 cfs 6.596 at Subcatchment 148POST: Runoff Area=13.600 ac Runoff Depth=2.65" Flow Length=1,014' Tc=20.3 min CN=70 Runoff=39.18 cfs 3.000 af Subcatchment 14PRE: Runoff Area=43.490 ac Runoff Depth=3.02" Flow Length=1,378' Tc=85.5 min CN=74 Runoff=53.49 cfs 10.936 at Subcatchment 15: Runoff Area=66.100 ac Runoff Depth=3.02" Flow Length=2,072' Tc=22.9 min CN=74 Runoff=203.95 cfs 16.621 at Subcatchment 16A: Runoff Area=61.700 ac Runoff Depth=2.21" Flow Length=1,600' Tc=93.4 min CN=65 Runoff=49.51 cfs 11.348 af Subcatchment 168: Runoff Area=61.000 ac Runoff Depth=2.83" Flow Length=2,350' Tc=45.2 min CN=72 Runoff=111.60 cfs 14.388 af Subcatchment 16C: Runoff Area=59.610 ac Runoff Depth=2.65" Flow Length=2,780' Tc=43.0 min CN=70 Runoff=105.00 cfs 13.151 af Subcatchment 17: Runoff Area=101.580 ac Runoff Depth=3.40" Flow Length=1 ,305' Tc=62.6 min CN=78 Runoff=178.87 cfs 28.805 af Subcatchment 18: Runoff Area=35.800 ac Runoff Depth=2.65" Flow Length=720' Tc=40.9 min CN=70 Runoff=65.42 cts 7.898 af Subcatchment 19: Runoff Area=36.970 ac Runoff Depth=3.21" Flow Length=1 ,200' Tc=45.9 min CN=76 Runoff=76.53 cfs 9.884 af Subcatchment 20: Runoff Area=91.91 0 ac Runoff Depth=2.56" Flow Length=3,280' Tc=42.2 min CN=69 Runoft=157.84 cfs 19.587 af Subcatchment 21: Runoff Area=19.200 ac Runoff Depth=2.92" Flow Length=1,310' Tc=79.9 min CN=73 Runoff=23.92 cfs 4.678 af Subcatchment 22: Runoff Area=31.300 ac Runoff Depth=1.95" Flow Length=910' Tc=34.8 min CN=62 Runoff=44.87 cfs 5.099 af sj315 Prepared by SEH Inc. HydroCAD® 7.00 sIn 001860 © 1986-2003 Applied Microcomputer Systems Type 1/ 24-hr 100-year Rainfal/=5.80" Page 8 7/8/2004 Subcatchment 23: Runoff Area=94.700 ac Runoff Depth=1.71" Flow Length=2,310' Tc=108.8 min CN=59 Runoff=49.45 cfs 13.512 af Subcatchment 24A: Runoff Area=30.810 ac Runoff Depth=1.40" Flow Length=520' Tc=80.3 min CN=55 Runoff=15.50 cfs 3.605 at Subcatchment 248: Runoff Area=34.890 ac Runoff Depth=3.02" Flow Length=930' Tc=39.8 min CN=74 Runoff=74.98 cfs 8.773 af Subcatchment 24C: Runoff Area=15.1 00 ac Runoff Depth=3.11" Flow Length=1,030' Tc=92.9 min CN=75 Runoff=18.04 cfs 3.916 at Subcatchment 30A: Runoff Area=25.030 ac Runoff Depth=2.65" Flow Length=1,850' Tc=47.7 min CN=70 Runoff=41.02 cts 5.522 at Subcatchment 308: Runoff Area=119.000 ac Runoff Depth=2.21 " Flow Length=3,200' Tc=102.5 min CN=65 Runoff=88.80 cfs 21.886 af Subcatchment 30C: Runoff Area=37.460 ac Runoff Depth=2.38" Flow Length=1 ,350' Tc=29.5 min CN=67 Runoff=75.95 cts 7.430 af Subcatchment 30D: Runoff Area=32.510 ac Runoff Depth=4.22" Flow Length=1 ,900' Tc=28.9 min CN=86 Runoff=120.10 cfs 11.432 af Subcatchment 31: Runoff Area=16.000 ac Runoff Depth=3.91" Flow Length=806' Tc=4.0 min CN=83 Runoff=113.13 cfs 5.208 af Subcatchment 32: Runoff Area=112.340 ac Runoff Depth=4.01" Tc=O.O min CN=84 Runoff=877.43 cfs 37.537 at Subcatchment 33: Runoff Area=41.970 ac Runoff Depth=3.21" Flow Length=1,142' Tc=55.3 min CN=76 Runoff=76.03 cfs 11.221 af Subcatchment 34A: Runoff Area=40.590 ac Runoff Depth=2.38" Flow Length=1 ,050' Tc=77.8 min CN=67 Runoff=40.89 cfs 8.051 af Subcatchment 348: Runoff Area=80.890 ac Runoff Depth=3.31" Flow Length=1 ,240' Tc=35.7 min CN=77 Runotf=206.11 cfs 22.279 af Subcatchment 34C: Runoff Area=71.200 ac Runoff Depth=3.02" Flow Length=2,730' Tc=114.2 min CN=74 Runoff=69.96 cfs 17.903 af Subcatchment 34D: Runoff Area=34.834 ac Runoff Depth=3.50" Flow Length=1 ,349' Tc=35.1 min CN=79 Runoff=95.25 cts 10.165 af Subcatchment 35: Runoff Area=295.290 ac Runoff Depth=3.21" Flow Length=2,445' Tc=125.0 min CN=76 Runoff=289.69 cfs 78.946 af sj315 Prepared by SEH Inc. HydroCAD® 7.00 sIn 001860 © 1986-2003 Applied Microcomputer Systems Type 1/ 24-hr 100-year Rainfal/=5.80" Page 9 7/8/2004 Subcatchment 36: Runoff Area=80 .130 ac Runoff Depth=3.11" Flow Length=885' Tc=60.5 min CN=75 Runoff=131.65 cfs 20.783 af Subcatchment 37: Runoff Area=98.848 ac Runoff Depth=3.11" Flow Length=1,630' Tc=110.9 min CN=75 Runoff=102.76 cfs 25.637 af Subcatchment 38: Runoff Area=39.821 ac Runoff Depth=3.31" Flow Length=660' Tc=20.0 min CN=77 Runoff=145.46 cfs 10.968 af Subcatchment 39: Runoff Area=225.882 ac Runoff Depth=3.11" Tc=O.O min CN=75 Runoff=1 ,429.62 cfs 58.585 at Subcatchment 40: Runoff Area=217.600 ac Runoff Depth=3.02" Flow Length=8,743' Tc=242.5 min CN=74 Runoff=118.42 cfs 54.716 af Subcatchment 41: Runoff Area=214.460 ac Runoff Depth=2.83" Flow Length=2,010' Tc=62.0 min CN=72 Runoff=312.06 cfs 50.585 af Subcatchment 42A: Runoff Area=402.900 ac Runoff Depth=2.12" Flow Length=4,456' Tc=180.3 min CN=64 Runoff=185.22 cfs 71.243 af Subcatchment 428_1 E: Runoff Area=50.500 ac Runoff Depth=3.11" Flow Length=2,100' Tc=122.1 min CN=75 Runoff=48.80 cfs 13.098 af Subcatchment 428_2E: Runoff Area=180.600 ac Runoff Depth=3.21" Flow Length=3,100' Tc=320.5 min CN=76 Runoff=84.84 cfs 48.283 af Subcatchment 42C_1E: Runoff Area=165.000 ac Runoff Depth=3.40" Flow Length=3,300' Tc=72.0 min CN=78 Runoff=262.13 cfs 46.789 af Subcatchment 42C _2E: Runoff Area=190.000 ac Runoff Depth=3.70" Flow Length=4,350' Tc=171.1 min CN=81 Runoff=169.75 cfs 58.614 af Subcatchment 42DE: Runoff Area=112.000 ac Runoff Depth=3.70" Flow Length=1,700' Tc=110.0min CN=81 Runoff=141.03cfs 34.551 af Subcatchment 44: Runoff Area=526.240 ac Runoff Depth=1. 71" Flow Length=6,1 05' Tc=298.6 min CN=59 Runoft=124.72 cfs 75.086 af Subcatchment 45: Runoff Area=171.700 ac Runoff Depth=2.55" Flow Length=3,620' Tc=475.1 min CN=69 Runoff=46.75 cfs 36.529 af Subcatchment 46: Runoff Area=231.340 ac Runoff Depth=2.65" Flow Length=1,320' Tc=1 01.9 min CN=70 Runoff=215.38 cfs 51.038 af Subcatchment 47E: Runoff Area=150.000 ac Runoff Depth=3.91" Flow Length=975' Tc=67.6 min CN=83 Runoff=287.08 cfs 48.827 af sj315 Prepared by SEH Inc. HydroCAD® 7.00 sIn 001860 © 1986-2003 Applied Microcomputer Systems Type 1l24-hr 100-year Rainfal/=5.80" Page 1 0 7/8/2004 Subcatchment 51: Runoff Area=139.290 ac Runoff Depth=2.92" Flow Length=2,290' Tc=95.1 min CN=73 Runoff=152.10 cfs 33.934 af Subcatchment 52: Runoff Area=116.620 ac Runoff Depth=1.95" Flow Length=2,200' Tc=110.0 min CN=62 Runoff=71.12 cfs 18.998 af Reach 31R: InfJow=2.93 cfs 3.270 af OutfJow=2.93 cfs 3.270 af Pond 14P: Peak Elev=1 ,084.07' Storage=4.874 af Inflow=93.64 cfs 12.867 af Discarded=2.59 cfs 6.005 af Primary=12.96 cfs 7.784 af Secondary=0.49 cfs 0.020 af OutfJow=16.04 cfs 13.809 af Pond 30P: Peak Elev=1,091.17' Storage=5.191 af Inflow=41.02 cfs 5.522 af 18.0" x 20.0' Culvert Outflow=2.93 cfs3.270 af Pond 41P: Peak Elev=1,094.39' Storage=42.340 af Inflow=312.06 cfs 50.585 af Outflow=33.63 cfs 8.273 af Total Runoff Area = 5,928.295 ac Runoff Volume = 1,391.472 af Average Runoff Depth = 2.82"