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<br />
<br />.
<br />
<br />TABLE 1
<br />EXISTING FLOODPLAIN INFORMATION
<br />
<br />FLOOD ELEVATIONS FOR VARIOUS
<br />FLOOD FREQUENCIES
<br />
<br />.
<br />
<br />CROSS
<br />SECTION
<br />NUMBER
<br />COAL CREEK
<br />14.4
<br />15.0
<br />15.8
<br />16.8
<br />17.2
<br />17.9
<br />ilLS
<br />190
<br />20,0
<br />21.0
<br />23.0
<br />21.9
<br />22.1
<br />24.0
<br />24,9
<br />25,0
<br />26,0
<br />27.0
<br />28,0
<br />WEST LINE
<br />18.5
<br />19.0
<br />200
<br />21.0
<br />23,0
<br />250
<br />
<br />REFERENCE
<br />LINE
<br />STATION
<br />
<br />128+00
<br />
<br />134+95
<br />
<br />139 + 40
<br />143+70
<br />
<br />144+10
<br />147+75
<br />
<br />154.75
<br />
<br />161 + 10
<br />
<br />170+95
<br />
<br />180+ 25
<br />
<br />184+40
<br />187+70
<br />187+80
<br />192+00
<br />192+85
<br />193+10
<br />195+90
<br />215+25
<br />229 +65
<br />
<br />153+30
<br />
<br />158+00
<br />
<br />167 +50
<br />
<br />177+40
<br />182+30
<br />187+20
<br />
<br />REFERENCE POINTS
<br />
<br />BRIGGS STREET
<br />
<br />L. BOULDER DITCH
<br />
<br />UNION PACIFIC RR
<br />
<br />PERRY STREET
<br />
<br />STREAMBED
<br />ELEVATION
<br />
<br />4993,8
<br />4995.4
<br />4998.4
<br />4999.2
<br />4999.4
<br />5000.0
<br />5001.2
<br />5002.3
<br />5005.4
<br />
<br />5(108,n
<br />
<br />5009.2
<br />5009,5
<br />5009.5
<br />5011.0
<br />5011,4
<br />5011,5
<br />5013.1
<br />5015.3
<br />5018,0
<br />
<br />5001.2
<br />
<br />5011.9
<br />
<br />5015.8
<br />5020,0
<br />
<br />5021.2
<br />5022.0
<br />
<br />FLOOD
<br />ELEVATION
<br />
<br />10 YEAR FREQUENCY
<br />
<br />DISCHARGE
<br />(CFS)
<br />
<br />5003,30
<br />
<br />50U5.77
<br />
<br />5007.41
<br />
<br />5008.90
<br />
<br />5009.78
<br />5011.25
<br />
<br />5011.95
<br />
<br />5013.66
<br />5016.32
<br />5018.49
<br />5019.04
<br />5019.39
<br />5019,74
<br />5021.13
<br />5020,74
<br />5027,50
<br />5027,85
<br />5026,98
<br />5036,75
<br />
<br />5011.95
<br />
<br />5013.31
<br />
<br />5017.63
<br />5021.13
<br />
<br />5022.26
<br />5023,78
<br />
<br />6140
<br />6140
<br />6160
<br />6160
<br />6160
<br />6160
<br />6160
<br />4660
<br />4660
<br />
<br />4660
<br />
<br />4660
<br />4660
<br />4660
<br />4660
<br />4660
<br />4660
<br />6160
<br />6150
<br />6170
<br />
<br />6160
<br />
<br />1510
<br />
<br />1510
<br />1510
<br />
<br />1500
<br />1500
<br />
<br />FLOOD
<br />ELEVATION
<br />
<br />50 YEAR FREQUENCY
<br />
<br />DISCHARGE
<br />(CFS)
<br />
<br />5004.30
<br />5006.3K
<br />5008.08
<br />5009.55
<br />
<br />5010.31
<br />5011.96
<br />
<br />5U12.67
<br />
<br />5014.45
<br />
<br />5017.98
<br />5020.19
<br />
<br />5020.72
<br />5020.99
<br />5021.41
<br />5022,67
<br />5022,29
<br />5027,90
<br />5028,37
<br />5031.95
<br />5037,91
<br />
<br />5012,67
<br />
<br />5014,06
<br />
<br />5018.45
<br />5021.92
<br />
<br />5023.11
<br />5024.70
<br />
<br />10040
<br />10040
<br />10040
<br />10040
<br />10040
<br />10040
<br />10040
<br />6250
<br />6250
<br />6250
<br />6250
<br />6250
<br />6250
<br />6250
<br />6250
<br />6250
<br />10020
<br />10030
<br />10030
<br />
<br />10040
<br />
<br />3790
<br />
<br />3790
<br />3780
<br />
<br />3770
<br />3770
<br />
<br />FLOOD
<br />ELEVATION
<br />
<br />100-YEAR FREQUENCY
<br />
<br />DISCHARGE
<br />(CFS)
<br />
<br />5004,70
<br />5006,68
<br />5008,38
<br />5009.85
<br />5010.96
<br />5011.50
<br />5012.90
<br />5014,91
<br />5018,65
<br />5020.84
<br />5021.43
<br />5021.69
<br />5022.21
<br />5023,59
<br />5024,97
<br />5028,10
<br />5028,66
<br />5032,32
<br />5038,55
<br />
<br />5012,89
<br />
<br />5014.44
<br />
<br />5018.68
<br />5022,27
<br />
<br />5023.44
<br />5025,03
<br />
<br />12270
<br />12270
<br />12270
<br />12280
<br />12280
<br />12280
<br />12280
<br />7350
<br />7350
<br />7350
<br />7350
<br />7350
<br />7350
<br />7350
<br />7350
<br />7350
<br />12250
<br />12260
<br />12260
<br />
<br />12280
<br />
<br />4920
<br />
<br />4920
<br />
<br />4910
<br />4900
<br />4900
<br />
<br />FLOOD
<br />ELEVATION
<br />
<br />500-YEAR FREQUENCY
<br />
<br />DlSCHAR(
<br />(CFS)
<br />
<br />5005,50
<br />5007,44
<br />5009.07
<br />5010.58
<br />5011.80
<br />5012,25
<br />5013.57
<br />5015,79
<br />5020,08
<br />5022.16
<br />5022.87
<br />5023.10
<br />5024,69
<br />5026,70
<br />5027,22
<br />5028,70
<br />5029.40
<br />5033,00
<br />5039,92
<br />
<br />5013,57
<br />
<br />5015,20
<br />
<br />5019,29
<br />
<br />5023,03
<br />5024.19
<br />5025,76
<br />
<br />18400
<br />18400
<br />18400
<br />18380
<br />18380
<br />18380
<br />18380
<br />10300
<br />10300
<br />10300
<br />10300
<br />10300
<br />10300
<br />10300
<br />10300
<br />10300
<br />18350
<br />18400
<br />18400
<br />
<br />18380
<br />
<br />8100
<br />
<br />8100
<br />
<br />8090
<br />
<br />8040
<br />8050
<br />
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