2021-09-16_PERMIT FILE - C1981010 ‎(2)‎

• Permit No: C1981010
• IBM Index Class Name: Permit File
• Doc Date: 9/16/2021
• Doc Name: Coyote Hydrologic Model
• Section_Exhibit Name: APPENDIX Q SECTION III
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Subwatershed Hydrology Detail:
Stru SWS SWS Area Time of Musk K Peak Runoff
Conc Curve
# # Musk X UHS Discharge Volume
(ac) (hrs) (hrs) Number
(cfs) (ac-ft)
#1 1 244.200 0.510 0.000 0.000 66.000 M 0.50 0.402
2 59.600 0.312 0.000 0.000 66.000 M 0.12 0.098
303.800 0.63 0.500
#2 1 183.900 0.356 0.000 0.000 73.000 M 4,12 1.226
2 53.600 0.292 0.000 0.000 81.000 M 7.47 0.942
541.300 11.22 2.668
#3 1 111.500 0.334 0.000 0.000 81.000 M 14.67 1.966
652.800 16.87 4.634
Subwatershed Sedimentology Detail;
Peak Peak
Stru SWS Soil K L ft 5 % PS# Sediment Sediment Settleable 24VW
# # ( ) ( ) C P Conc. Conc
{tons) (MI/1)
(mg/1) (MI/1)
#1 1 0.250 690.00 13.00 0.1300 0.7300 1 6.7 13,414 5.63 5.14
2 0.250 560.00 17.90 0.1600 0.6500 1 2.0 16,317 6.90 6.31
E 8.7 13,977 5.88 5.37
#2 1 0.230 540.00 13.00 0.3100 0.6600 1 69.8 67,226 7.29 4.45
2 0.190 700.00 4.30 0.6300 0.8200 1 44.8 67,544 20.07 10.20
E 123.1 66,372 13.14 6.61
#3 1 0.190 560.00 8.90 0.5700 1.0000 1 207.3 142,819 40.07 20.93
283.2 133,943 27.44 8.97
Subwatershed Time of Concentration Details:
Stru SWS Land Flow Condition % Vert. Dist. Horiz. Dist. Velocity
# # Sloe p ( ) (ft) (ft) (fps) Time(hrs)
#1 1 1. Forest with heavy ground litter 14.29 40.00 280.00 0.950 0.081
6.Grassed waterway 1.43 25.00 1,750.00 1.790 0.271
S. Large gullies,diversions,and low 11.99 710.00 5,920.00 10.380 0.158
flowing streams
#1 1 Time of Concentration: 0.510
#1 2 1. Forest with heavy ground litter 12.73 70.00 550.00 0,900 0.169
6.Grassed waterway 7.41 20.00 270.00 4.080 0.018
Filename:Coyote 10-year,24-hour event, PP at 6311, PS at 6311 sediment at 6307.5.sc4 Printed 10-20-2020