PERMFILE107381

• Permit No: C1994082A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: NPDES PERMIT YOAST MINE
• Section_Exhibit Name: TAB 15 APPENDIX 15-1
• Media Type: D
• Archive: Yes

PART I
Page lb of 19
Permit No. CO-0000221
A. TERMS AND CONDITIONS .
1. Effluent Limitations
c) Discharge Points 005, 006, 010, 011
Beginning immediately and lasting through May 31, 1997, the permittee is
authorized to discharge within the limitations specified below, from the
following outfall serial numbers (see Figures 2 and 5):
005, sediment pond outfall to an unnamed tributary to Dry Creek
006, sediment pond outfall to an unnamed tributary to Dry Creek
010, sediment pond outfall to an unnamed tributary to Grassy Creek
011, sediment pond outfall to an unnamed tributary to Grassy Creek
Parameter 30-dav avg. a/ Daily Max. c/
Flow, MGD Report NA
Total Suspended Solids, mg/1 35 70
Total Iron, mg/1 3.0 6.0
Total Dissolved Solids, mg/1 NA Report
Whole Effluent Toxicity, Acute NA Report
The pH range shall remain between 6.5 and 9.0 s.u. c/
• Oil and grease shall not exceed 10 mg/1 c/ in any grab sample nor shall there be a
visible sheen f/.
d) Discharge Point 008
Beginning immediately and lasting through May 31, 1997, the permittee is
authorized to discharge within the limitations specified below, from the
following outfall serial numbers (see Figure 1):
008, sediment pond outfall to an unnamed tributary to Fish Creek
Parameter 30-dav ayq. a/ Daily Max. c/
Flow, MGD Report NA
Total Suspended Solids, mg/1 35 70
Total Recoverable Iron, mg/1 1.0 6.0
Total Dissolved Solids, mg/1 NA Report
Whole Effluent Toxicity, Chronic
through December 31, 1995 NA Report
beginning January 1, 1996 NA See Part I.A.l.h) +
pH (standard units) shall remain between 6.5 and 9.0 c/.
Oil and grease shall not exceed 10 mg/1 c/ in any grab sample nor shall there be a
visible sheen f/.
Also, other WET testing requirements are applicable; see Parts I.B.4 and I.B.S.
. Amended 07/08/94 Effective 09 O1 94
Amended ~~ Effective _ 100D