2009-09-21_PERMIT FILE - C1980007A ‎(5)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 9/21/2009
• Doc Name: Mine Water Control Plan
• Section_Exhibit Name: Exhibit 66 Mine Water Control Plan
• Media Type: D
• Archive: Yes

• TABLE 43E
Subwatershed Peak Discharge and Runoff Volume
C?
41

Pond SedCad
Structure
# SEDCAD
Watershed
ID Mapped
Watershed
ID
Area
(acres) 10-Year
Peak
Discharge
(cfs) 10-Year
Runoff
Volume
(acre-feet) 25-Year
Peak
Discharge
(cfs) 25-Year
Runoff
Volume
(acre-feet) 100-Year
Peak
Discharge
(cfs) 100-Year
Runoff
Volume
(acre-feet)
#78 1 42A3 4.32 0.06 0.024 0.60 0.058 1.53 0.116
#51 1 42A3 4.35 0.01 0.008 0.09 0.032 0.85 0.077
#67 2 42131 223.79 0.07 1.242 30.90 2.980 79.07 5.988
#66 1 42132 0.42 0.00 0.000 0.04 0.001 0.13 0.006
#76 1 43A 13.89 0.69 0.108 2.83 0.235 6.06 0.444
#79 1 43B 43.05 0.61 0.239 5.94 0.573 15.21 1.152
#70 1 43C 1.58 0.01 0.001 0.17 0.018 0.49 0.038
#74 1 43D 52.21 0.74 0.290 7.21 0.695 18.45 1.397
#73 1 43E 3.55 0.27 0.032 0.84 0.067 1.70 0.123
#77 1 43F 2.70 0.21 0.024 0.64 0.051 1.29 0.094
#63 4 44A 131.68 0.24 0.073 0.57 0.439 3.27 1.279
#63 1 446 438.20 0.28 0.064 1.45 1.072 10.53 3.876
#63 2 44C 202.02 0.13 0.914 10.75 2.191 33.90 4.401
#63 3 44D 131.20 0.08 0.483 9.92 1.335 35.82 2.886
#63 5 45A 17.69 0.02 0.028 0.26 0.110 2.80 0.278
#55 1 45B 23.85 0.03 0.016 0.14 0.099 2.02 0.287
#46 1 46A1 5.09 0.05 0.023 0.54 0.060 1.59 0.124
#43 6 46B 26.15 0.06 0.042 0.39 0.163 4.13 0.410
450 1 4661 7.81 0.07 0.036 0.83 0.091 2.44 0.190
#43 5 46C 10.38 0.03 0.038 0.78 0.106 2.83 0.228
#43 4 46D 197.76 0.12 0.216 1.82 1.015 23.94 2.731
#43 3 46E 113.71 0.10 0.041 0.49 0.368 5.59 1.181
#43 2 46F 123.35 0.06 0.271 2.54 0.919 24.13 2.181
#43 1 46G 15.60 0.77 0.122 3.17 0.263 6.81 0.499
#45 1 47A 101.32 0.95 0.463 10.79 1.185 31.69 2.464
#31 1 47B 28.17 0.08 0.062 0.58 0.210 5.51 0.498
#18 1 47C 14.80 0.03 0.023 0.22 0.092 2.34 0.232
#36 1 48A 9.45 0.05 0.035 0.71 0.096 2.58 0.208
#32 3 48B 13.20 0.01 0.060 1.41 0.154 4.13 0.321
#32 4 48C 2.67 0.01 0.010 0.28 0.031 0.84 0.065
#42 1 49A1 2.39 0.00 0.000 0.11 0.021 0.56 0.047
#41 1 49A2 9.73 0.74 0.088 2.31 0.183 4.66 0.338
#34 1 49A3 6.76 0.34 0.053 1.38 0.114 2.95 0.216
#29 1 49A4 20.26 2.09 0.212 5.51 0.423 10.60 0.763
#23 1 49A5 18.99 1.96 0.198 5.17 0.397 9.93 0.715
#16 1 4961 14.64 1.51 0.153 3.98 0.306 7.66 0.551
#13 1 49132 6.04 0.97 0.082 2.08 0.153 3.70 0.265
#9 1 49C1 23.32 2.41 0.244 6.35 0.487 12.20 0.878
#7 1 49C2 5.44 0.27 0.042 1.11 0.092 2.38 0.174
#67 1 Detention Pond 0.29 0.42 0.037 0.51 0.049 0.62 0.061
#56 2 SG-1 0.40 0.00 0.058 0.71 0.076 0.86 0.094

RPE #7 1 A7 3.87 4.27 0.347 5.53 0.460 7.09 0.607
#7 2 A2 18.89 0.04 0.147 3.84 0.319 8.25 0.604
#6 1 A3 19.55 2.57 0.233 6.01 0.451 11.09 0.795
#4 1 Al 2.51 1.35 0.097 2.02 0.148 2.92 0.218
#2 1 A5 1.99 2.09 0.167 2.74 0.224 3.54 0.298
#1 1 A4 12.74 0.63 0.099 2.59 0.215 5.56 0.407
#1 2 A6 2.14 0.00 0.120 2.26 0.171 3.09 0.241

Exhibit 66
Appendix A: Output Summary Tables 4 of 5 Revised August 2009, TR 119