Upda te o n Va ria nc e s: F ROM T HE DI SCHARGE R PE RSPE CT I VE
Curre nt Va ria nc e I ssue s Chlo ride Va ria nc e s Appro va l b y DNR a nd E PA So urc e Re duc tio n Me a sure s Me rc ury Va ria nc e s Appro va l b y DNR a nd E PA Po lluta nt Minimiza tio n Pro g ra ms (sa me c o nc e pt a s SRMs) I ndividua l Pho spho rus Va ria nc e s MHI Ca lc ula tio ns
Chlo ride Va ria nc e s Ma jo r Co nside ra tio ns: Do yo u ne e d a limit a nd a va ria nc e fro m tha t limit? Do yo u q ua lify fo r a va ria nc e b a se d o n e c o no mic s? Ho w sho uld yo u struc ture SRMs a nd PMPs fo r a n a ppro va b le va ria nc e ?
Chlo ride Va ria nc e s Do yo u ne e d a limit a nd a va ria nc e fro m tha t limit? I f the re is no re a so na b le po te ntia l fo r vio la tio n o f the c hlo ride wa te r q ua lity c rite ria , a limit is no t ne c e ssa ry a nd a va ria nc e is no t ne c e ssa ry Ma jo r Co nside ra tio ns: E fflue nt Data. Do e s DNR ha ve yo ur mo st re c e nt e fflue nt c o nc e ntra tio n da ta ? F low Data . Do e s DNR ha ve yo ur mo st re c e nt flo w da ta ? T his da ta sho uld inc lude mo nthly lo w flo ws a nd mixing zo ne studie s Ma ke sure DNR ha s this da ta b e fo re yo u a re a pplying fo r re issua nc e to a vo id time spe nt re c a lc ula ting limits
Chlo ride Va ria nc e s Do yo u q ua lify fo r a va ria nc e b a se d o n sub sta ntia l a nd wide spre a d e c o no mic a nd so c ia l impa c t? Othe r o ptio ns fo r q ua lifying fo r a va ria nc e unde r Wis. Sta t. s. 283.15, b ut wide spre a d e c o no mic impa c t is the o ne pre do mina ntly use d
Chlo ride Va ria nc e s NR 106.83 (2) Chlor ide var ianc e . indings . On F e b rua ry 1, 2000, the de pa rtme nt finds tha t: (a) F 1. E nd-o f-pipe wa ste wa te r tre a tme nt te c hno lo g y fo r c hlo ride is pro hib itive ly e xpe nsive ; 2. E nd-o f-pipe wa ste wa te r tre a tme nt te c hno lo g y fo r c hlo ride pro duc e s a c o nc e ntra te d b rine tha t c a n b e a s muc h o r mo re o f a n e nviro nme nta l lia b ility tha n the untre a te d e fflue nt; 3. Appro pria te c hlo ride so urc e re duc tio n a c tivitie s a re pre fe ra b le e nviro nme nta lly to e nd-o f-pipe e fflue nt tre a tme nt in mo st c a se s; a nd 4. F o r so me disc ha rg e rs, a tta ining the a pplic a b le wa te r q ua lity sta nda rds spe c ifie d in c hs. NR 102 to 105 ma y c a use sub sta ntia l a nd wide spre a d a dve rse so c ia l a nd e c o no mic impa c ts in the a re a whe re the disc ha rg e r is lo c a te d. 5. T he se finding s sha ll b e re vie we d b y the de pa rtme nt e ve ry 3 ye a rs. (b) Applic ation . An e xisting disc ha rg e r se e king a c hlo ride va ria nc e unde r this sub se c tio n sha ll sub mit a n a pplic a tio n fo r a c hlo ride va ria nc e whe n it sub mits its a pplic a tio n fo r pe rmit re issua nc e . T he a pplic a tio n sha ll inc lude the pe rmitte e 's b a sis fo r c o nc luding tha t the finding s in sub . (2) (a ) fo r a c hlo ride va ria nc e a re a pplic a b le to its disc ha rg e . minations . T he de pa rtme nt sha ll re vie w the a pplic a tio n sub mitte d b y the pe rmitte e . T he a pplic a tio n sha ll b e (c ) De par tme nt de te r a ppro ve d if the de pa rtme nt a g re e s with the pe rmitte e 's b a sis fo r c o nc luding tha t the finding s unde r pa r. (a ) fo r a c hlo ride va ria nc e a re a pplic a b le to its disc ha rg e . T he de pa rtme nt sha ll o b ta in U.S. e nviro nme nta l pro te c tio n a g e nc y a ppro va l b e fo re a va ria nc e is inc lude d in a pe rmit unde r this sub se c tio n. (d) Pe r ianc e . T he de pa rtme nt sha ll g ra nt a c hlo ride va ria nc e to a n e xisting disc ha rg e r mit c onditions imple me nting a c hlor ide var whe n: 1. T he finding s in pa r. (a ) suppo rting a c hlo ride va ria nc e a pply to the spe c ific disc ha rg e ; a nd 2. T he pe rmitte e a nd the de pa rtme nt a g re e upo n spe c ific pe rmit la ng ua g e impo sing a n inte rim limita tio n, a ta rg e t va lue o r, whe re a ppro pria te , a ta rg e t limita tio n, a nd so urc e re duc tio n a c tivitie s.
Chlo ride Va ria nc e s Qua lifying Ba se d o n E c o no mic s Co mplia nc e c o sts g re a te r tha n 2% o f the me dia n ho use ho ld inc o me (MHI ) a re typic a lly c o nside re d to b e sub sta ntia l Co mplia nc e c o sts b e twe e n 1-2% MHI c o nstitute sub sta ntia l impa c ts if a dditio na l se c o nda ry indic a to rs a re me t Se c o nda ry fa c to rs inc lude une mplo yme nt ra te , b o nd ra ting , e tc . E PA c a n c o nside r “uniq ue c irc umsta nc e s o f the c o mmunity” tha t c a use c o sts to b e sub sta ntia l
Chlo ride Va ria nc e s MHI Ca lc ula tio n Ba se d o n c o nside ra tio n o f c o sts a sso c ia te d with a ll po llutio n c o ntro l te c hno lo g ie s (i.e . a ll tre a tme nt re q uire d to c o mply with wa te r q ua lity sta nda rds) a s a pe rc e nta g e o f MHI Ana lysis sho uld inc lude : All c o sts a sso c ia te d with c o mplia nc e with c hlo ride limits, inc luding c o st o f lime so fte ning tre a tme nt if a pplic a b le Any c o sts ne c e ssa ry to c o mply with o the r po lluta nt WQS (e x. pho spho rus) tha t will o c c ur in the te rm o f the re issue d pe rmit
Chlo ride Va ria nc e s So urc e Re duc tio n Me a sure s (a nd PMPs) E PA is lo o king fo r mo re de ta ile d SRM pla ns b a se d o n two c o nc e pts fro m 2015 re g ula tio ns: Hig he st Atta ina b le Co nditio n Justifying the te rm o f the va ria nc e Do c ume nta tio n is ke y! Wha t SRMs a re g o ing to b e imple me nte d? Why? Ove r wha t time fra me ? Wha t wo rke d during the la st pe rmit te rm? Wha t did no t?
Sour c e Re duc tion Me asur e s Ac tions Star t F r e que nc y/ Comple tion T une -up re nta l so fte ne rs whe n the y a re Adjust so fte ne r se tting s to pro vide o ptima l Sta rt: Ye a r 1 se rvic e d o pe ra tio n e a c h time a re nta l so fte ne r is se rvic e d; tra c k tune -ups c o nduc te d F re q ue nc y: Annua l, o ng o ing Pro vide info rma tio n re g a rding the City’ s I nc lude info rma tio n a b o ut this o rdina nc e Sta rt: Ye a r 1 e xisting o rdina nc e tha t re q uire s the use o f a nd the City’ s So fte ne r Re nta l Pro g ra m in de ma nd initia te d re g e ne ra tio n a nd a hig h the pa c ke ts pro vide d to ho me b uye rs b y F re q ue nc y: Annua l, o ng o ing sa lt e ffic ie nc y sta nda rd fo r ne w a nd the Cha mb e r o f Co mme rc e . No tify re pla c e me nt so fte ne rs plumb e rs a nd re a lto rs in the a re a a b o ut the o rdina nc e . E va lua te the fe a sib ility o f insta lling a E va lua te the fe a sib ility, in te rms o f b o th the Sta rt: Ye a r 4 munic ipa l lime so fte ning syste m to re pla c e te c hnic a l a nd e c o no mic a spe c ts, o f po int-o f-use so fte ne rs insta lling a munic ipa l wa te r syste m with Co mple tio n: Ye a r 5 lime so fte ning te c hno lo g y, a nd sub mit tho se finding s in the fina l c hlo ride re po rt Wo rk with industria l a nd c o mme rc ia l Co nduc t a nnua l me e ting s a nd inspe c tio ns Sta rt: Ye a r 1 c o ntrib uto rs to pre ve nt inc re a se s in the with e a c h industria l a nd c o mme rc ia l a mo unt o f c hlo ride disc ha rg e d a nd se e k c o ntrib uto r, during whic h so urc e s o f F re q ue nc y: Annua l, o ng o ing re duc tio ns fro m tho se so urc e s c hlo ride disc ha rg e d a nd me a ns fo r re duc ing disc ha rg e s will b e ide ntifie d a nd whe re a ppro pria te pla ns will b e de ve lo pe d to imple me nt a dditio na l SRMs E va lua te the fe a sib ility o f switc hing fro m a E va lua te the te c hnic a l, o pe ra tio na l a nd Sta rt: Ye a r 1 fe rro us c hlo ride to a no n-c hlo ride e c o no mic fe a sib ility o f using a no n- c o nta ining c he mic a l o r using b io lo g ic a l c hlo ride c he mic a l o r b io lo g ic a l pro c e ss fo r Co mple tio n: Ye a r 3 pro c e ss fo r pho spho rus re mo va l pho spho rus re mo va l
Pho spho rus I ndividua l Va ria nc e s E PA ma y b e re q uiring e va lua tio n o f the c o st o f using the MDV a s pa rt o f the MHI c o st c a lc ula tio n We disa g re e with this po sitio n Co st c a lc ula tio n is a b o ut the c o st o f c o mplia nc e , a nd the MDV is a va ria nc e a nd no t a c o mplia nc e o ptio n Wo rking with DNR a nd E PA o n this issue
Que stio ns? F e e l fre e to c o nta c t me : Va ne ssa Wisha rt ME G Wa ste wa te r Divisio n vwisha rt@ sta ffo rdla w.c o m
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