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2022-09-29_PERMIT FILE - C1980007A (2)
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2022-09-29_PERMIT FILE - C1980007A (2)
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Last modified
2/15/2024 8:37:19 AM
Creation date
10/6/2022 2:46:53 PM
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DRMS Permit Index
Permit No
C1980007A
IBM Index Class Name
Permit File
Doc Date
9/29/2022
Doc Name
STREAM CHANNEL PARAMETERS
Section_Exhibit Name
Exhibit 55B Stream Channel Parameters and Changes Due to Mining-Induced Subsidence
Media Type
D
Archive
Yes
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Mean Annual <br />Runoff (2) <br />(acres)(sq-mi)(ac-ft)2-yr 10-yr 100-yr (ac-ft)(tons)(cu-yd) <br />3 430 0.68 320 9.5 19 31 0.02 30 32 <br />29 220 0.35 170 4.9 10 16 0.01 17 18 <br />32 610 0.95 450 13.3 27 43 0.03 44 47 <br />35 2,900 4.60 2,200 64.0 130 207 0.14 210 220 <br />36 1,200 1.85 880 25.8 53 84 0.06 85 90 <br />37 2,300 3.56 1,700 49.6 102 160 0.11 160 170 <br />39 1,320 2.06 980 29.0 59 94 0.06 93 100 <br />41 170 0.27 130 3.5 7 11 0.01 12 13 <br />(1)Refer to Figure 1 for basin numbers and locations. <br />(2)Based on "Water Balance Analysis of Horse and Lick Creek" Table 24 by Woodward-Clyde Consultants. <br />(3)Flood frequency based on Figure 2, Regional Flood Frequency Curves. <br />(4)Sediment yields derived by Ernest Pemberton based on regional sediment yields of 0.03 ac-ft/sq mi. <br />TABLE 2 <br />BASIN HYDROLOGIC CHARACTERISTICS <br />Basin <br />Number (1) <br />Area Peak Flood Flow (cfs) (3)Mean Annual Sediment Yield (4) <br />G:\WWE\831-032\921\Engr\Exhibit 55B\ <br />MCC_subsidence_55B_2020_Tables.xlsx\Table 2 <br />Wright Water Engineers, Inc. <br />December 23, 2020 <br />Prprd By: AWP <br />Chkd By: JMK
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