2021-07-28_PERMIT FILE - C1981019A

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 7/28/2021
• Doc Name: East Taylor Pond & Permanent Channels
• Section_Exhibit Name: Exhibit 07 Item 14 Appendix Exh7-14ET
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
r�.,.,...h 1aaa 001n o�. 1, i c..h....k
11
Structure Detail;
Structure #17(Ponds
Simulated 250 GPM - East Taylor Seep
Pond Inputs:
Initial Pool Elev: 90.01 ft
Initial Pool: 0.00 ac-ft
*Sediment Storage: 0.00 ac-ft
Dead Space: 0.00%
*No sediment capacity defined
Pond Results:
Peak Elevation: 92.05 ft
H'graph Detention Time: 2.21 hrs
Pond Model: CSTRS
Dewater Time: 0.40 days
Trap Efficiency: 76.86%
Dewatering time is calculated from peak stage to lowest spillway
Elevation-Capacity-Discharge Table
Area Capacity Discharge Dewater
Elevation Time
(ac) (ac-ft) (cfs) (hrs)
90.00 0.050 0.000 0.000 Top of Sed. Storage
90.01 0.050 0.001 0.000
91.00 0.051 0.050 0.560
92.00 0.190 0.164 0.560
92.05 0.161 0.174 0.560 9.70 Peak Stage
93.00 0.260 0.388 0.560
94.00 0.350 0.692 0.560
95.00 0.440 1.086 0.560
96.00 0.540 1.575 0.560
97.00 0.650 2.169 0.560
98.00 0.760 2.873 0.560
99.00 0.880 3.693 0.560
100.00 1.200 4.728 0.560
101.00 1.240 5.948 0.560
102.00 1.414 7.275 0.560
103.00 1.600 8.781 0.560
Filename: East Taylor Pond 10 Yr 24 Hr Post Mine.sc4 Printed 07-19-2021