2009 - Illinois DNR - State of Illinois

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NILESUnincorporatedGOLF ROADUnincorporatedDEMPSTER AVEPARK RIDGENILESFeet0 625 1,250 2,500BALLARD AVEDES PLAINESFarmer / Prairie Creek:Existing 100-YR FloodInundation MapTRI-STATE TOLLWAY(5-YR Des Plaines River Tailwater)RAND ROADDES PLAINESUnincorporatedBUSSE HWYEXHIBIT 2Unincorporated
Page 4: Alternative C5 - Pipe From Lutheran
Page 7 and 8: 27. Alternative D6 - Combine Altern
Page 9 and 10: As shown in Exhibit 1, the study ar
Page 11: construct addition flood water stor
Page 15 and 16: PREVIOUS STUDIESPrevious studies re
Page 17 and 18: family residential and multi-family
Page 19: The hydrologic computer program HEC
Page 22 and 23: HYDRAULICSHEC-RAS MODELThe Hydrauli
Page 24 and 25: Ineffective flow boundaries were us
Page 26 and 27: Traffic disruption damages, damage
Page 28 and 29: 1320Lake Mary Anne 21%Lower Prairie
Page 30 and 31: TABLE 7: DISTRIBUTION OF FLOOD DAMA
Page 32 and 33: TABLE 8DAMAGESECONOMICSCONTINUED PL
Page 34: Farmers Creek, but would also incre
Page 37 and 38: Exhibit 6: Alternative S1- Dude Ran
Page 39 and 40: ALTERNATIVE S2 - GOOD AVENUE PONDAs
Page 41 and 42: Table 10: Alternative S2 - Good Ave
Page 43 and 44: Exhibit 8: Alternative S3 - Luthera
Page 45 and 46: ALTERNATIVE S4 - LUTHERAN GENERAL H
Page 47 and 48: Table 12: Alternative S4 - Lutheran
Page 49 and 50: Exhibit 10: Alternative S5 - High S
Page 51 and 52: ALTERNATIVE S6 - BELLEAU LAKE EXPAN
Page 53 and 54: Table 14: Alternative S6 - Belleau
Page 55 and 56: Exhibit 12: Alternative S7 - Lake M
Page 57 and 58: ALTERNATIVE S8 - BELLEAU LAKE LOWER
Page 59 and 60: Table 16: Alternative S8 - Belleau
Page 61 and 62: pond would be gated to prevent stag
Page 63 and 64:
Exhibit 14: Alternative S9 - Combin
Page 65 and 66:
ALTERNATIVE S10 - COMBINED STORAGE
Page 67 and 68:
estimated land rights costs, as det
Page 69 and 70:
ALTERNATIVE S11 - COMBINED STORAGE
Page 71 and 72:
floodplain.Project costs of this al
Page 73 and 74:
ALTERNATIVE S12 - DUDE RANCH POND E
Page 75 and 76:
Table 20: Alternative S12 - Dude Ra
Page 77 and 78:
ALTERNATIVE C2 - DOWNSTREAM DEMPSTE
Page 79 and 80:
ALTERNATIVE C4 - ADDITIONAL DEE ROA
Page 81 and 82:
ALTERNATIVE C6 - REPLACE RANCHO LAN
Page 83 and 84:
ALTERNATIVE C8 - CONFLUENCE TO BELL
Page 85 and 86:
Table 21: Alternative L1 - Parkview
Page 87 and 88:
Dempster Avenue storm sewer, tribut
Page 89 and 90:
Table 22: Alternative D1 - Combine
Page 91 and 92:
ALTERNATIVE D2 - COMBINE STORAGE AL
Page 93 and 94:
many overlapping project benefits f
Page 95 and 96:
Page 97 and 98:
Exhibit 29: Alternative D3 - Combin
Page 99 and 100:
Page 101 and 102:
$3,883,054 including $1,047,827 in
Page 103 and 104:
Page 105 and 106:
Page 107 and 108:
average annual flood damage reducti
Page 109 and 110:
ALTERNATIVE D7 - COMBINE ALTERNATIV
Page 111 and 112:
Exhibit 33: Alternative D7 - Combin
Page 113 and 114:
ALTERNATIVE D8 - COMBINE ALTERNATIV
Page 115 and 116:
Page 117 and 118:
Hospital property, north of Dempste
Page 119 and 120:
Page 121 and 122:
ALTERNATIVE D10 - COMBINE STORAGE A
Page 123 and 124:
around Lake Mary Anne on Farmers Cr
Page 125 and 126:
Table 31 Continued: Alternative D10
Page 127 and 128:
water in the sewer to back flow int
Page 129 and 130:
Page 131:
ALTERNATIVE D12: PRAIRIE CREEK CHAN
Page 135 and 136:
STRUCTURE MODIFICATIONSThe implemen
Page 137 and 138:
(approximately 1000 square feet) up
Page 139:
Endangered SpeciesCompletion of any
Page 142 and 143:
Lowering the normal pool elevation
Page 144 and 145:
5. Actively remove debris and logs
Page 146:
REFERENCES1. Huff, Floyd A., and Ja
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2009 - Illinois DNR - State of Illinois

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