2009-01-12_PERMIT FILE - C1996083 ‎(2)‎

• Permit No: C1996083
• IBM Index Class Name: Permit File
• Doc Date: 1/12/2009
• Section_Exhibit Name: Volume IIIA Exhibit 11 Colorado Discharge Permit -NPDES
• Media Type: D
• Archive: No

PARTI
Page No. 4
Permit No.: CO-0044776
See Part I.C. for Definitions.
Any discharge or increase in volume of a discharge caused by precipitation within any 24-hour period ereater than the 10-year 24-hou
event (or series of storms or snowmelt of equivalent volume) >~ comply with the following limitations subject to burden of proof
requirements described in Part I.A.3.
Effluent Parameter
Maximum Concentrations
r1
---
,Flow, MGD i Report ! NA Report
.i._...._.__w ._ _.,_._,__~.........._.
:Total Suspended Solids (TSS) mg/l Re ort ~~""~-'~`___.__._._..__..~_~.._...._,...._____..,._._.__„_-___.,~
..............~... _ ~ P i NA Report
pH, s.u. (minimum-maximum) NA t_ NA {__......_.........._._..__..._........._....__......._.._._..___..._.~
_ __......____. ~.._...__. _.._.___._ _.....__..._____._...~.i 6.$-9
i0il and Grease mg/I NA I--_._.__..___.NA .~.._..___ ~._.__..___..._,O.-,._.__..._.._._-;
>TotalDissolved Solids m /1 ~ ._"'~~""_-"" ""~
l_._.__.____.,.-.._ > _g _ Report -~__._... NA _.._Re _ort _ ._ _ ..__.t
~TotalIron, ug/1 Re ort ~~ ~~~~~ P Y4~
_...__..----__.__. __._._ __.._........___...__ _._ 1 ; _
l... _._..... P _ ____._....---._ NA ._.. Report
__.------- _.. ._._._..i
Settleable Solids mUl -~-- ---- ----__.__ .__._.. _.u
~......_.._.__. Report _.__.__._~___. NA ~ Report I
b. Outfa[Is 006 and 010
,Effluent Parameter Effluent Limitations F
._.._._~._.__......_..__....__._..._.___..W_.___~...__.____._.__ __._.;...___ _.._..__.,.______.____._._._____~............,...._.___._..__~.._._._.___. __...._.. __.,..___.__....... _ ......F
__.. ____._..._......._____.______...__ ~ Maximum Concentrations l
_.- _...-----.._..._..___._ ___....._....._........_..-._..-........-...--.t_._._........----------..._.._.._.._.-.___...__..._.__......___-__ __ ___.____.____-...____....t_...__-._....__..._....-...._ __._...._._._............_......
30-Day Average ; 7-Da Average I Dail Maximum ~
Flow, MGD _ '..__ _ ................-_ ~..._..__~___.__ ._.__w;
_..._. _..._...._ ._._._...__ _. Report NA
__... _........_ . _ ~ Report 1
._.-..
(Total Suspended Solids (TSS) mg/1 i 3$-.~ ~ ~ ~ _ NA -___...__,_... 70 '
i _,..____ .. .__ ;~, .___.___
?pH, s.u. (minimum-maximum) NA NA I_ _._w...6•5-9.,., ._..,......
.. _
_~
;Oil and Grease, mg/1 NA NA
;__.. ___._.__.._. ~.....___.. _ ...... _ ..__.._ _.._.... _ .. 0 _
iTotal Dissolved Solids mg/1 s Re ort NA
_.~ _. _ .....- p --- - - ..... - -- .... ,. _..._ Report..
}Total Iron, ug/1 3000 NA
' ~ 6000
;Whole Effluent Toxicity, Chronic ; NA NA € Statistical Difference or
x....,._..._,....__._._.__..__.._.....__......._.._......__..__.__..._._.
c. Outfalls MN06 and MN10
Effluent Parameter Effluent Lmitations
Maximum Concentrations
30-Dav Average 7-Dav Average Dailv Maximum
Total Recoverable Arsenic, ug/1 Report NA Report
Potentially Dissolved Cadmium, ue/1 Report NA Repon
Total Recoverable Trivalent Chromium, ug/I Report NA Report
Potentially Dissolved Copper, ug/I Report NA Report
Total Recoverable Iron, ug/1 Report NA Report
Dissolved Iron, ugll Report NA Report
Dissolved Manganese, ugll Report NA Report
Total Mercury, ug/I * Report NA Report
Potentially Dissolved Nickel, ug/I Report NA Report
Potentially Dissolved Selenium, ug/I Report NA Report
Potentially Dissolved Silver, ug/1 Report NA Report
Potentially Dissolved Zinc, ug/I Report NA Report
'~ Low level Mercurv Monitoring Required +