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COLORADO DEPARTiNENT OF PUBLIC HEALTHAND ENVIRONMENT, Water Qunfiry C¢rztro(Division <br />R¢tiartale - P¢ge 2, Permit No. CO-0044377 <br />Pursuant to the authority of Article 9, Title 25, Regulations for the Certification of Water Treatment Plant and Wastewater <br />Treatment Plant Operators, thts facility will require a certtfed operator. <br />V. PERFORMANCE HISTORY <br />A. il4onitoring Data <br />2. Dischar e Monitorin Re orts: Table V-I summarizes the effluent data for Outfall 001 reported on the quarterly Discharge <br />boring eports ar t to period from January 2001 throug December 2002. Na discharge occurred during this period from <br />Outfa11004. <br />Table v 1 -- Self-Monitorin¢ Data for Outfa11001 <br />~~~ <br /> <br />"Parameter ~~' <br />'} y 4. ~f w <br />~, ~.. ,_ ~u No ~fr <br />~ <br />R'~epar ng <br /> <br />~Pe~"d~.,~ ego ie ~eaage~ <br />. ~ <br />~ n en r ns x i~ <br />t y+f ~ ~hryY~E '~f S.Y~ <br />'~ S ,~~ MtnIIV.~ 3u`6S'' ' It"eport axtmum <br />~ <br />"'~'onc a onsp~'~ <br />{i4o ~iY` ~ 3``- N..'V <br />{,~ ~ u 'tn/tC4gx~_„ ,~.t Rserizeif~ ~ <br />~ ,~ ~. <br />~72~°aa; <br /> <br />,.r ~t>t+#E: " ~~i t+ ' ~ <br />um er o h t- <br />~ ~sgu <br />y. t rttr~ $ .{ "~ Yi <br />r~r~~~~: x <br />Effluent Fdow 8 0.019/0.01512/0.024221 0.021/0.01685/0.0252 0.108/NA 0 <br />K (su) 8 NA/NA/NA NA/8.2/8.9 6.5-9.0 0 <br />Fe, Tot (u /1) 8 1300/860/1610 1400/910/1710 3000/6000 0 <br />TSS (m /1) 8 12/6/27 19/8/42 35/70 0 <br />Oil and Grease 8 NA/NA/NA 0/0/0 NA/10 0 <br />TDS (mg/I) 8 3211/3040/3530 3284/3070/3540 NA/NA 0 <br />WET, acute <br />Cerioda hnia 8 NA/R'A/NA 73;58.8/86.6 NA/100% 8 <br />Fathead Minnows 8 NA/NA/NA >IOOh100h100 NAl100% 0 <br />2. State Sampling: There are no state sampling results available for this facility. <br />B. L'ampliance With Terms and Conditions of Previous Permit <br />1. Effluent Limitations: The data shown in the preceding table indicate that the facility has maintained compliance with the <br />previous permit except for continuous failures ajthe WET Ceriodaphnia test. The permittee has performed an analysis, which <br />determined that salmiryry is the ppollutant responsible for the test failures. On this basis, the permittee has requested a WET test <br />species change from Ceriodaphnia sp. to Daphnia magna. This change is made in this permit renewal. <br />2. Other Permit Re uirements: During the two-year period reviewed, the permittee was late in submitting quarterly DMRs 6 of <br />t e ca en ar quarters. t the time of the drafting ojthis rationale, the permittee was delinquent on subm:sston of DMRs far <br />the, first and second calendar quarters of 2003. <br />VI. TERLIS AND CONDITIONS OF PERMIT <br />A. DeterminationojEffluentLimitations <br />1. Effluent Limitations: The effluent limitations contained in Tables VI-1 and VI-2 will apply and are discussed in Section VI.A.2. <br />Table VI-1-Ef1luentLimits For Outfa11001 <br />. # t ~. ~ z~`r' <br />*°Parameter ~ <br />~' ~ i -.~ ~, ue„ arge zmttatrOnsd ~~ 's <br />~aa~imtirit ConBeritrdttons ; s <br /> <br /> <br />a~ v : t ~~ at ax~.a~ ~ 'r ~a °p :~ ~ s.a ~ .. , <br />~" `~ ~ a onale `` ' ~ <br /> <br />r. , <br />-„~ s`~`t`.,..~ 9~`"c ~~nro srl~~ <br />ow, e ort est a act <br />Total Sus ended Solids, m /P a era uent i e Ines s) <br />Oil and Grease, m /P tale went a ations <br />s. u. intmum- axtmum - ater a t tan ar s <br />Totallron, iP s <br />Total Dissolved Solids, m /P Re ort a ort a inity a ations <br />cute sa> o tale ermrt a ations <br />Table VI-2 - Effluent Limils For Outfa11004 <br /> <br />#~:Para eterx;' w 1 it°j <br />~_,:,~ ? ,'?°a~r ~~ uc arge <br />b, Maettith»z.Co <br />~a :vc unttabons r <br />ncetrtr'a~tons <br />~ ae._ ax., ?: ~-,_ <br />~: 2~,K Rahnale; ~< t$ ~. .' <br />~.,~ ' €_,~ «,_1.~~'~r~a <br />~ <br />ow, e ort a ort est n a act <br />*Settleable Solids, m /P A 5 e era uent i e Ines s) <br />Oil and Grease, m /P tote uent egu ations <br />s. u. ~ mtmum- axtmum ater ua t tan ar s <br />Total Dissolved Solids, m /P a ort a ort a inity egu ations <br />'Gtmns Jot mese parameters mnyy be exempted due [o disch¢rges c¢usea by precipitation. J'ee Alfernate Limimtion Burden of Proof Requirements to section <br />VLA.2.e. and in permit, Pcrt LA.2. <br />2. Discussion of Effluent Limitations <br />a. Oil and Grease: The Regulations for Effluent Limitations (Regulation No. 62) include effluent limitations that apply to all <br />WWTFges o wastewater to tam ie waters. ese regu ations are applicable to the discharge from the Bear No. 3 Mine <br />b. ~ -This parameter is limited by Water Quality Standards as the water quality standards oj6.5-9.0 s. u. range are more <br />stringent than those specified under the Regulations for Effluent Limitations . <br />I ~~~ a<„rood ennnna <br />