1987-12-01_PERMIT FILE - C1981017 ‎(278)‎

• Permit No: C1981017
• IBM Index Class Name: PERMIT FILE
• Doc Date: 12/1/1987
• Doc Name: Wastewater Discharge Permits
• Section_Exhibit Name: Chapter IV Appendix IV-C-1
• Media Type: D
• Archive: No

PART I
Page 3 of 20
Permit No. : CO-0000396
• A. TERMS AND CONDITIONS (Continued)
2. Effluent Limitations
Beginning immediately .and lasting through June 30, 1987 the permittee
is authorized to discharge within the limitations specified below, from
outfall(s) serial number(s) 001, 006, 007, 008, 009, 010, 011, 012,
013, 014, 015, 016, 017, 018, the outfalls of the sedimentation ponds
as shown in Figure 1, page 19.
a. Effective during periods of no precipitation
Effluent Parameter Discharge Limitations
Maximum Concentration
3 0-day avg. a/ Daily Max. b/
Flow - (MGD) N/A N/A
Total Suspended Solids (mg/1) 35 70
Total Iron (mg/1) 3.5 ' 7.0
Salinity Z/h/ N/A N/A
pH - (Standard Units) shall remain between 6.5 and 9.0 b/.
Oil and grease shall not exceed 10 mg/l b/ in any grab sample nor
• shall there be a visible sheen.
b. Effective during periods of precipitation less than or equal to the
10-year, 24-hour event for this facility.
Any discharge or increase in the volume of a discharge caused by
precipitation within any 24-hour period less than or equal to the
10-year, 24-hour precipitation event (or snowmelt of equivalent
volume) may comply with the following limitations instead of the
limitations of Parts I.A.l.a and c.
Effluent Parameter Discharge Limitations
Maximum Concentration
Daily Maximum b/
Flow (MGD) N/A
Settleable Solids 1/ 1/ 0.5
Salinity �/ h N/A
pH - (Standard Units) shall remain between 6.5 and 9.0 b/.
Oil and grease shall not exceed 10 mg/l b/ in any grab sample nor
shall there be a visible sheen.
• 1/ - Pursuant to 40 CFR 434.63 (a)
a/ b/ - See Part I.A.4,c
AMENDED J
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