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e: ; o. ~ Department of Environmental Quality <br />F: <br />: z 811. SW Sixth Avenue <br />Theodore R. Kulongoski, Govemor ' Portland, OR 97204-1390 <br />9 503-229-5696 <br />- - TTY: 503-229-6993 <br />. J~"fi 1 ~ 2E7~C1$' <br />~tf"s~. Tnerese 1l1(alch <br />. ~ity af E~rgene <br />4.10 River Ave. <br />Eugene, OR 97404 . <br />RE: Stormwater permit renewal applic2tion - re~uest for additionai information <br />Dear Ms. Walch: <br />The current Phase I Municipal Separate Storm Sewer System (MS4) perm~t issued to your <br />jurisdiction will expire in February, 2009 and a permit renewal application. needs to be submitted <br />to DEQ..by ~eptember.2;:20D~: DEQ:reco~niz~~th~t~~?,~ouejurisdi~tion:.~nti!I~ir~vest:con~ic~erable <br />~ resources_to deve_I.op the permit renewa`I application and would like to_wQtL.t~geth~r to assure <br />that the application is complete and contains all of the information necessary to reissue your <br />perm it. _ <br />DEQ would like to take this opportunity to clarify our expectations for some of the renewal <br />application requirements.. DEQ has identified some additional information that we will need in <br />order to.make the findings necessa.ry to issue the next round of permits. Specifically, DEQ <br />requests additional information in the following areas: <br />~"'~ ^ Maximum.Extent,Practicable Determination : _:~ ; ~:~ <br />~ Each Phase I municipality's stormwatermanagementprograrr~:i~ unique in how the Maximum <br />. <br />Extent Practicable (MEP) standard..is achieved, perhaps empioying;differe~tm~ag~rr~ent,r: <br />practice~s or:emphasizing differ.ent~prograrn. areas. In order to suppor#~DEQ's i~cfEpendetrt <br />determination.that a: pcogtacn reduces.pollutlon tv.tk~e.MER; DEQ request~~at ,-- - <br />permittees describe their:MEP determination process as part of the permit:cenewal , <br />application. It would be helpful if permittees cowld.describe hoJ-r their MEP deterrxiination. <br />process is applied to stormwater management prog~am areas and affirm that their overall <br />program is achieving the MEP standard: .DEQ anticipates that the MEP dete~mination <br />processwill considersuch things as BMP effectiveness, applicability; and. progr~m <br />priorities[resources: - ' _ , ' <br />. <br />a: Rra~.act8d ~ban~ tr~ P..i~8lutant, L~cB~ <br />The current permits require that an "updated estimate of totat annual stormwater pollutant <br />loads" for select parameters be submitted along;with-the permi~ renewaF-application. During <br />the permit renewal process in 2004/2005, most Phase l communities conducted an <br />_.. <br />_ ----- ---~ssessrrrentmatco ~d tne-. tutan~-~oads_.asso~ratea;vinti <br />: , - -.- - <br />=- -•- --- - _ :~ P~rrf1 ~,t6't _` _t5 U'~a~i 2~d 5~~~~6: _ _: .: Wft , c1f5c <br />--- _ _. _ - ..__- - - _ <br />- - - - - ~dIS4= perrnits~ ~Me: assessrrient was-included ~s:part;of the''ar <br />-~ } <br />~~~ ~ `< <br />~y:-~~~ ,_ -_ - - - <br />~Qi~4 ----; . ,----- - <br />_ __ _. _.. . _ <br />cfron of - - - __ .. <br />___. - it~c'_au ~a~c~.ica~? cun:~c.~c.va~uau,wa+,~-c ,vi.aar ~u~ ~ <br />YF~ . I'~ F~ . t . ,- ~{-~'LVY.a/ '~tia~9.~~.Zv~+vF~y~l,rvu~w a~~af- __ - _ _ _ -- .._. <br />--- L.__ _-. <br />pnllufant loads perz~ittt$d iia:~2Q0~r,~:.l'i~~,!i,~~~,~~ thpse ~~~i#~~d~~t~~-~A~S~.-~F.~ a.~ ~ <br />request~ that permjt~~~eS,Rrnx~de~ar~ updatedass,~s.srx~nt-:r,~pq[it~9'PA~~:~,~Lt.~c~-d~$~t~;~i#ed <br />in.2004;_with~ expected`poil~itant_Isxads_~d,ucingtli~ 2~()9:per~ei3t C~t~fe~ ~~ .. :u , ~ ; . ~~, ~ .~;..: ~:,;.~ <br />_ Since:future~ perrnif;condi#+pns ~3!$:;i~n~Crhov17~1":~t'this time; DEQ acknowledges that this ~ <br />assessment may be different from the_2004 assessment., It may be based on your current <br />understanding of anticipated changes in yoir~ ~ermit area and the management practices <br />DEQ-1 ~ <br />