1987-12-01_PERMIT FILE - C1981017 ‎(304)‎

• Permit No: C1981017
• IBM Index Class Name: Permit File
• Doc Date: 12/1/1987
• Doc Name: Water Control Plan Train Loadout Area
• Section_Exhibit Name: Chapter VII Volume 9 Appendix VII-H-1
• Media Type: D
• Archive: No

MID-CONTINENT RESOURCES, INC.
LOADOUT FACILITY-SEDIMENTATION POND
Page 2
4 . Runoff - Type II Storm
Area Acres - 2 . 17*(Sq. Mi . - . 0034)
CN 89
Runoff (inches)
25 yr. 10 yr . 5 yr.
1 . 19 . 86 . 71
S. Discharge
Area - 2 . 17 Acres
Avg % Slope - 17%
Unit Discharge (CFS/In. Runoff) - 5
Peak Discharge in CFS
25 yr. 10 yr. 5 yr.
5. 95 4. 30 3 . 55
6. Pond Design
Runoff Volume- 10-year storm without Release Flow
2 . 17 Acre x . 86in/12 in/ft = 0 . 16 AF
Runoff Volume 25-year storm
2 . 17 Acre x 1 . 19in/12 in/ft = 0 . 22 AF
Sediment Yield
Area - 2. 17 Acres
Estimated Unit Sediment Yield (ft/ac) = 0. 1
Delivery Factor 1 . 0
Total Sediment to Pond . 217 AF
Clear out semiannually . 217/2 = . 109 AF
Pond Design Criteria
(a) Capacity for Storage of 10-yr Storm Runoff
Sediment (semiannual) 0. 109 AF
10-yr runoff storage 0. 160 AF
-� Total Storage 0 . 269 AF
*Note: Only 2 . 17 acres of the total permit area of 27 acres
is disturbed . See Exhibit VII-C-1 .