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HYDRO26783
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Last modified
8/24/2016 8:46:14 PM
Creation date
11/20/2007 7:06:47 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981071
IBM Index Class Name
Hydrology
Doc Date
9/30/1990
Doc Name
AMENDED PERMIT COLO WASTEWATER DISCHARGE PERMIT SYSTEM PN CO-0027154 COLO YAMPA COAL CO ROUTT COUNTY
From
COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT
To
COLO YAMPA COAL CO
Permit Index Doc Type
NPDES
Media Type
D
Archive
No
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PARTI <br />Pace lg of ]4 <br />Penttit No. CO-0027154 <br />A. TERMS AND CONDITIONS <br />1. F(tluent Linutatinns <br />d) ftluent Limitations For Outfalls 002 - 004 006 a_nd 008 (continued) <br />ALTERNATE LRv11TAT1ONS <br />cent Parameter Dis_ch_n[ee Limitat <br />Flow, MGD Report <br />Settleable Solids, nil/I j/lt/ Report <br />pH, standanl Units (ntirtummrmaxintunr) 6.5-9.0 <br />Oil and Grease, mg/I (No visible sheen) 10 ~/ <br />Total Dissolveel Solids, ttte/I Report <br />e) Effluent Limitations For Out(all 009 (surface mnoff discharces from post nursing areas) <br />Effluent Parameter Discharge LimJlation <br />Flow, MGD <br />Settleable Salirls, nil/I j/Id <br />pH, standanl units (nuninntnt-maxunuut) <br />Oil artrl Grease, mg/I (No visilile sheen) <br />Electrical Conductivity, umho/em <br />Report <br />0.5 ~l <br />6.5-9.0 <br />10 ~/ <br />Report <br />Any discharge or increase in volume o(a discharge caused by precipitation within any 24-hour period treater than the 10-year. <br />24-hour event (or series o(stonns or snownteh o(eyuivalenl volume) 111'A~' conyily with the following linutations subject to <br />burden of proof requirements descriheel in Pxn LA.2. <br />Effluent Parameter <br />Discharge Limitation <br />Flow, MGD Report <br />Settleable Solids, nil/1 j/j$/ Report <br />pH, standard Units (ntinitnum-maxuuuot) 6.5-9.0 <br />Oil and Grease, mg/I (No visilile sheen) 10 ~/ <br />Electrical Conductivity, untho/cm Report <br />f) Whole Effluent Toxicity -Chronic Lethality Limitation - Outfallx 001 005 007. 020 <br />Beginning April I, 1996, ail lasting through March 31, 1998, there slwll be no statistically significant difference in <br />lethality (at the 95% confidence level) hetWeen the control and any e01uen1 concentration less thin or equal to 100% <br />effluent. Such linutation shill apply a5 x daily maxinunu. <br />See Part I.D. for Footnotes <br />Corrected 03/1$/97 <br />Anterxlntent No. 2 Issued ,97/18/94 Effective 09/01/94 <br />Antenrlntent No. 4 Issued AUG IG 1996 f~tive <br />AntetxlnteN No. 5 Issued and Effective <br />
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