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HYDRO27562
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Last modified
8/24/2016 8:46:59 PM
Creation date
11/20/2007 8:08:53 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982056
IBM Index Class Name
Hydrology
Doc Date
3/31/1998
Doc Name
AUTHORIZATION TO DISCHARGE UNDER COLO DISCHARGE PERMIT SYSTEM
Permit Index Doc Type
NPDES
Media Type
D
Archive
No
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Pc tT I <br />Page if of 14 <br />Permit No. CO-0027154 <br />A. TERMS AND CONDITIONS <br />1. Effluent Limitations <br />c) Effluent Limitations For Outfall 019 (the combined discharge of total recoverable <br />manganese from outfalls 001, 005 and 007) <br />Effluent Parameter <br />Discharge Limitation <br />30-day avg. J Daily Max. J <br />Flow, MGD Report Report <br />Total Recoverable Manganese, mg/1 J 1.0 Report <br /> t -~ <br />d) Effluent Limitations For Outfalls 002 - 004. 006 and 008 (surface runoff from <br />active mining areas) GJ '' <br /> pOS <br />Effluent Parameter Dischar ge Limitation <br /> <br /> 30-day av¢. ~ Daily Max. J <br />Flow, MGD <br />Toca1 Suspended Solids, mg/1 <br />Total Iron, mg/1 <br />pM, standard units (minimum-maximum) <br />Oil and Crease, mg/1 (No visible sheen) <br />Electrical Conductivity, umho/cm <br />Report N/A <br />35 70 <br />3.5 7.0 <br />N/A 6.5-9.0 J <br />N/A 10 J <br />Report N/A <br />ALTERNATE LIMITATIONS <br />Any discharge or increase in the volume of a discharge caused by precipitation within <br />any 24-hour period less than or eoual co the 10-year. 24-hour orecioitation ~-~^nt .;or <br />snowmelt of equivalent volume) may comply with the following limitations subject to <br />burden of proof requirements described in Part I.A.2. <br />Effluent Parameter <br />Flow, MGD <br />Settleable Solids, ml/1 1/J <br />pll, standard units (minimum-maximum) <br />Oil and Crease, mg/1 (No visible sheen) <br />electrical Conductivity, umho/cm <br />Discharge Limitation <br />Report <br />o.s ~/ <br />6.5-9.0 <br />to J <br />Report <br />Any discharge or increase in volume of a discharge caused by precipitation within any <br />24-hour period greater than the 10-year. 24-hour event (or series of storms or snowmelt <br />cf equivalent volume) ma comply with the following limitations subject to burden of <br />proof requirements described in Part I.A.2. <br />See Part L.D. for Footnotes <br />
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