FAC T SHEE T An d NPDE S WASTEWATE RDISCHARG E PERMI T EVALUATIO N

Departmen t

o f Environmental Qualit

y Northwes t

Regio n - Portlan dOffic e 202 0 S W 4t

h Ave , Suite 400 , Portland , O R9720 1 Telephone : (503 ) 229-526 3
PERMITTEE ; Clackama s Count y Servic e Distric t

No
. 1 - Kellog g Creek

WWT F 910 1 S E Sunnybroo k

Blvd. , Suit e 44 1 Clackamas , O R9701 5 Fil e Number : 1659 0 SOURC E LOCATION : 1152 5 S E McLoughli n Blvd
. SOURC E CONTACT : DougHarbaug h Telephon e Number : (503)794-805 0 PERMI T WRITER : Bet h Moore Telephon e Number : (503)229-558 6 PROPOSE D ACTION : Renewa l o f aNational Pollutan t

Discharg e Eliminatio n Syste m(NPDES ) wastewate r

discharg e permi t SOURC E CATEGORY : Major Domesti c TREATMEN T SYSTE M CLASS : Leve l I V COLLECTIO N SYSTE M CLASS : Leve l I V PERMI T APPLICATIO N DATE : Jul y 1,199 7 PERMI T APPLICATIO N NUMBER : 99085 6


### BACKGROUN D Introductio n Wate r Environmen t

Service s (WES) , aDepartment o f Clackama s Count

y manage s an d operate s th e Kellog g Creek

wastewater

treatment plan t locate di n Milwaukie , Oregon
. Th e treatmen t plant i s owne db y Clackama s Count y Servic e Distric t

No , 1 , acount

y servic e district
. Wastewater i s treate d an ddischarge dt o Willamette River i n accordanc e wit

h National Pollutan t

Discharg e Eliminatio n Syste m(NPDES ) Permi t

number 100983
. Th e renewal permi t wa s issue do n September 30 , 199 2 wit h a n expiratio n dat

e o f Augus t 31 , 1997
. Th e permi t

wa s modifie do n Januar

y 19 , 1994
. Th e Departmen t

receive darenewa l applicatio n o n Jul y 1 , 1997
. A renewal permi t i s necessar

y t o discharg e t o stat e water s pursuan t t o provision s o f

Orego n Revise dStatute s (ORS ) 468B.05 0 an d th e Federal Clean Wate r

Act
. Th e permi t

wa s administrativel y extende dfromSeptembe r 1 , 199 7 t o th e present . Th e Departmen t propose s t o rene w th e permit
. Marc h 1,200 6Clackama s Count y Servic e Distric t

No
. 1 Kellog g Creek

Evaluatio n Repor

t Pag e 2 o f 2 4 Facilit y Descriptio n Th e Kellog g Creek

wastewate r

treatmen t plan t i s locate da

t 1152 5 S E McLoughli n Boulevardo n th e eas t sid e o f th e Willamette River

i n th e Cit y o f Milwaukie
. Th e facilit

y consist s o f

th e headworks , influen t

pump station , ba

r screen s with mechanica l rake s an dnon-aerate dgri t

structure , primary an dsecondary treatmen t adisinfectio n syste man da n outfal l t o th e Willamett e River
. Anaerobi c digester s are use dfo r sludg e stabilization
. Biosolid s ar e dispose do f

b y spreadin g on lan dapprove dsites
. I n comin g ra w sewag e i s lifte dabou t 4 0 feet fromth e mai n intercepto r b y thre e pump s t o th e headworks
. I n Augus t

199 7 afourt

h mai n lif t pum p wa s adde dt o th e mai n lif t statio n t o adda significan t

leve l o f redundanc y t o th e ra w sewag e pumping
. I n 1995 , ther e wer e upgrade s t o th e headworks , th e origina l comminutor s wer e replace dwith mechanica l screens . Th e headwork s includ e tw o physica l treatmen t processes : screenin g an dgri t (detritus ) removal
. Screenin g i s accomplishe db y tw o mechanically-cleane dbar s screen s (Schlos s articulate drakes)
. Th e gri t collecto r provide s th e detentio n tim e an dth e slo w velocity fo r th e gri t t o settl e out . Th e screene d materia l an dgri t

i s dewatere dan dconveye dt o storag e prio r t o landfilling
. Treatmen t

i n th e headwork s i s followe db y primar y treatmen t with tw o circula

r primary clarifiers
. Settle dsolid s an dscu mar e mechanicall y remove dfromth e primary clarifier s an dpumpe dt o th e anaerobi c digesters
. I n 199 4 th e primary clarifier s wer e covere dfo r odo r control
. Afte r primary clarificatio n th e effluent flow s t o th e fou

r aeratio n basins
. Betwee n Octobe r 199 6 an dMarc h 199 7 3,23 2 diffuser s containe di n th e fou r aeratio n basin s wer e rebuilt
. In Jul y 199 7 th e selecto r

improvement s wer e mad e t o th e aerators . Th e aeratio n basi n ca n b e operate di n different modes : plu g flow , contac t stabilization , amodifie dste p fee dmod e an danaerobi c selecto r mode
. Th e secondary treatmen t

syste mconsist s o f

th e blowe r

building , aeratio n basins , secondar y clarifiers , an dsecondar

y sludg e pumpin g station
. Ai r fro mth e blowe r

buildin g i s transporte dt o th e fou r aeratio n basin s throug h tw o 18-inc h heade r pipes
. On e heade r

provide s ai r

t o aeratio n basin s 1 an d2 whil e th e othe r provide s ai r

t o aeratio n basin s 3 an d4
. Dissolve doxyge n probe s measur e th e dissolv e oxyge n concentratio n i n eac h aeratio n basin
. Th e fin e bubbl e aeratio n syste mi s use dt o kee p th e microorganism s i n suspensio n an dt o provid e dissolve doxyge n t o th e organisms
. Th e purpos e o f th e secondar

y clarifie r i s t o separat e biologica l solid s fro mth e wastewater . Th e solid s ar e concentrate da s sludg e i n th e clarifie r an dpumpe dbac k

t o th e aeratio n basi n fo

r us e a s return activate dsludge
. Th e retur n activate dsludg e pump s wer e change d(i n aroun d1998 ) fromaconstan t spee dt o avariabl e frequenc y driv e t o stabiliz e th e balanc e betwee n th e sewag e enterin g th e secondary treatmen t syste man dth e microorganism s whic h provid e th e secondary treatment . Secondary Effluent

i s conveye dto th e Ultraviole t Ligh t (UV ) disinfectio n syste mwhic h wa s starte du p i n Januar

y 1995
. Th e UV facilitie s consist o f tw o paralle l concret e channels , eac h approximatel y 6 0 feet

long , 4 fee

t wid e an d6. 5 feet

deep
. Eac h UV channe l ha s thre e bank s o f U V lamp s i n series , wit

h aseparate powe r

distributio n cente r

provide dfo

r eac h bank
. UVClackama s Count y Servic e Distric t

No , 1 Kellog g Creek

Evaluatio n Repor

t Pag e 3 of 2 4 dosag e i s regulate db y manuall y selectin g th e numbe r o f channel s an dautomaticall y selectin g th e numbe r o f module s i

n operatio n base do n flow rat e an d equipmen t

status . Th e bulb s in th e U V syste mare cleane din a10 % phosphori c aci dbath
. Th e UV disinfectio n proces s replace dth e former gaseou s chlorin e disinfectio n uni t process . A sodiu mhypochlorit e liqui dapplicatio n syste mi s availabl e fo

r emergenc y back-u p disinfection , fo r seasonal return activate dsludg e chlorination , fo

r infrequent

influen t pump statio n odo r

control , an dfo

r non-potabl e wate r chlorination
. Sodiu mbisulfite i s use dfo r dechlorinatio n whe n th e emergenc y back-u p chlorinatio n disinfectio n syste mi s i n use . Sodiu mBisulfit e i s adde dt o th e upstrea men do f th e U V channel s throug h aplasti c pip e diffuse r b y aflow-paced , manual strok e lengt h meterin g pump . Afte r disinfectio n th e treate deffluent i s discharge dt o th e Willamett e Rive r a t rive r mil e 18.5
. Th e outfal l i s asingl e 48-inc h diamete r pip e tha t discharge s a

t adept h o f approximatel y 4 0 feet
. Th e curren t

averag e we t

weathe r flow (Novembe r

1 throug h Apri l 30) , fo

r th e las t tw o year s wer e a s follow s (2003-2003 ) 9. 2 MGD , (2003-2004 ) 9. 3 MGD
. Th e curren t averag e dr

y weathe r flo w (May 1 throug h October 31 ) wa s a s follow s (2003 ) 7. 1 MGD an d(2004 ) 7. 1 MGD
. Significan t

portion s o f

th e plan t hav e bee n enclose dove r

th e year s t

o captur e an dtrea

t foul ai r fo r odors
. Ai r

fromth e headworks , primary clarifiers , anoxi c selector s o n th e aeratio n basins , th e solid s handling , anaerobi c digeste r ga s an dsludg e loadout

i s treate deithe r

throug h bio-filter s o r carbo n adsorption
. Improvement s i n odo r contro l wer e mad e with th e additio n o f th e bio-filter s i n 2000
. Complianc e Histor y Th e renewal permi t

wa s issue do n September

30 , 199 2 an dmodifie do n Januar y 19,199 4 t o includ e arevise dtotal residual chlorin e limit
. A Stipulatio n an dFina l Order (SFO ) WQMW

NWR-93-18 9 wa s issue dwit h th e modification
. Th e requirement s o f th e SF O wer

e satisfie db y Marc h 199 5 when th e chlorin e ga s disinfectio n syste mwa s replace dwit h a n ultraviole t

ligh t disinfectio n systeman dahypochlorite/sodiu mbisulfite disinfectio n backup system . Th e followin g Notice s of

Noncomplianc e (NONs ) culminate dinto aNotic e o f Permi t Violation : WQ-NWR-95-01 3 wa s issue do n Marc h 2 , 199 5 becaus e TS S mas s loadan dpercen t removal wer e exceeded : WQ-NWR-95-04 7 wa s issue do n Ma y 22 , 199 5 fo

r exceedin g TS S an dCBO D mas s loa dlimit , an dWQ-NWR-97-3 8 wa s issue do n Apri l 25 , 199 7 fo r exceedin g TS S concentratio n andTS S an dCBO D mas s loadlimits
. Notic e o f Permi t Violatio n WQ/M-NWR

97-13 4 was issue do n Jul y 31 , 199 7 fo r continuin g t o excee dpermi t limit s fo r feca l coliform , BOD , CBO D an dTSS
. I n respons e to th e Notic e o f Permi t Violation , CCS D No
. 1 too k action s ,suc h as , divertin g flow s t o th e Tri-Cit

y wastewater

treatment plant , rebuildin g th e aeratio n basi n diffusers , an dcontrollin g th e solid s balanc e to improv e the treatment efficiencie s a

t th e Kellog g Cree

k plant
. I n Jun e 1997 , th e Milwauki e Brooksid e Pum p Statio n wa s modifie dt o diver t flo w t o th e Cit

y o f Portlan d Columbi aBoulevar dTreatmen t Plant
. Approximatel y 250,00 0 gallon s pe r da y o f dr y weathe r flo w wa s diverted
. (Thi s flo w ha s sinc e bee n re-directe dbac k t o th e Kellog g Cree k

plant. ) I n Octobe r 1998 , CCS D No
. 1 receive dprojec t approva l fo

r divertin g th e existin g Clackama s Pum pClackama s Count y Servic e Distric t

No
. 1 Kellog g Creek

Evaluatio n Repor

t Pag e 4 of2 4 Statio n flow t o ane w forc e mai n to th e Tri-City treatmen t plant
. Approximatel y 0. 5 millio n gallon s pe r

day o f ra w sewag e wa s diverte dfro mth e Nort

h Clackama s Servic e Distric t Wastewate r

Pollutio n Contro l Facility
. A Notic e o f Noncomplianc e wa s writte n i n 200 2 (WQ

NWR-02-0043 ) t o documen t th e CBO D andTS S mas s violation s whic h occurre di n 199 8 & 199 9 prio r t o completin g th e action s planne dt o resolv e th e 199 7 Notic e o f Permi t Violation
. Th e 200 2 Notic e o f Noncomplianc e als o require dth e submittal o f th e Inflo w an dInfiltratio n Report
. Curren t monitorin g report s an dcondition s fo r thi s plan t wer e reviewed
. Kellog g Cree k plan t i s operatin g i n complianc e wit h th e curren t permit
. Biosolid s Managemen tan d Utilizatio n Th e anaerobi c digestio n facilitie s a t th e Kellog g Creek

Plan t wer e constructe di n 1986-198 7 an d becam e operationa l i n Marc h 1987
. Ra w primary sludg e i s pumpe ddirectl y t o th e anaerobi c digesters
. Wast e activate dsludg e i s pumpe dfromth e secondar y clarifier an dconcentrate db y dissolve dai r

floatation wit

h polymer prio r t o pumpin g t o th e anaerobi c digesters
. Scu mfromth e primary an dsecondar

y clarifier s i s pumpe ddirectl y t o th e anaerobi c digesters , t o th e flotatio n thickene r an dthe n th e anaerobi c digeste r o r directl y t o th e digeste dsludg e loadin g area . Sludg e completin g anaerobi c digestio n ca n b e thickene db y th e us e o f tw o Soma

t thickeners
. Onc e th e sludg e ha s bee n thickene di t i s returne dt o th e digester
. I n 199 9 th e solid s handlin g dissolve d ai r floatation thickene r

(DAFT ) an drecuperativ e thickene r (Somat ) processe s wer e u p graded
. Th e Recuperativ e thickene r proces s wa s move dinsid e t o captur e an dcontro l odors
. Al l wast e sludg e mus t

b e manage di n accordanc e with th e Departmen t approve dBiosolid s Managemen t

Plan , Lan dApplicatio n Pla n an dsite authorizatio n lette r t o ensur e complianc e wit

h th e federa l (4 0 CF RPart

503 ) an dstate (OA R340-050 ) biosolid s regulations
. Inflo w an d Infiltratio n (I/I ) Th e Kellog g Creek

plan t serve s apopulatio n o f

th e nort h Clackama s urban area , Cit y o f Milwaukie , Cit y o f Happ y Valle y an dJohnso n Cit y an dals o serve s smal l portion s o f th e Citie s o f

Gladston e an dDamascus
. Wate r

Environmen t

Service s ha s continue dt o hav e a n activ e programt o identif y I/I
. Th e collectio n syste mi s o n aregula r schedul e o f

inspection s an dmaintenance
. A n annua l repor t on inflo w an dinfiltratio n i s require da s par t o f thi s permit
. WE S compile s a n annual repor

t entitle d"Wastewate r

Maintenanc e Servic e Yea r En dReport" , whic h contain s thi s informatio n o n th e sewe r collectio n maintenance
. I n aletter date dAugus t

8 , 2002 , Water

Environmen t

Service s state dtha

t th e we t weathe r flow evaluatio n fo

r th e Kellog g Creek

Plan t syste mha s an daverag e peakin g factor o f 2. 5 fo r th e year s 199 6 throug h 2001 , an da

n averag e peakin g factor

o f 2.4 6 fo r th e year s 199 2 throug h 2001
. Th e peakin g facto r

fo r th e Kellog g Cree k

Plan t systemi s belo w th e 2.7 0 peakin g facto r use db y th e Environmenta l Protectio n Agenc y t o detemiin e i f additional sewer

systemmaintenanc e i s needed , an di s wel l belo w th e norma l rang e fo r peakin g factor s i

n western Orego n o f

4. 0 t o 6.0
. Base do

n th e evaluation , th e Kellog g Creek Plan t sanitar y sewer syste mi s no t

experiencin g excessiv e infiltratio n an dinflow
.Clackama s Count v Servic e Distric t

No , 1 Kellog g Cree

k Evaluatio n Repor

t Pag e 5 of 2 4

Pretreatmen t Th e Clackama s Comit

y Servic e Distric t

No
. 1 implement s a

n industrial pretreatmen t

progra m approve db y th e Department o n Decembe r

21 , 1983
. Subsequent

Federa l an dstate pretreatmen t requirement s were include di n th e NPDE S permi t

fo r thi s facilit

y whe n th e previou s permi t wa s issued
. Schedul e E o f

th e permi t

require s CCS D No
. 1
. t o submi t substantia l programmodificatio n request s t o th e Departmen t fo r approval
. Th e followin g approval s an dmodification s hav e been mad e t o th e industria l pretreatmen t progra msinc e th e las t

permi t modificatio n o n January 19 , 1994
. I n aPermi t

Actio n Letter

date dAugus t

14 , 1995 , CCS D No
. 1 receive dapprova l o f th e local limit s evaluation , afte

r publi c notic e an drevie w b y th e Departmen t an dEPA
. O n Marc h 1 , 1999 , th e procedure s manua l receive dapproval
. Subsequen t approval s t o revision s o f th e manua l wer e receive do n Decembe r 28 , 2001 , Marc h 1 , 200 2 an dJun e 7 , 2004
. A RCR A reportin g modificatio n wa s approve do n Augus t 6, 1999
. O n Novembe r

13 , 200 2 th e Departmen t approve dth e Enforcemen t Respons e Guide s t o b e incorporate dinto th e NPDE S permi t a t th e tim e o f

renewal
. O n Septembe r

2 , 2003 , th e Departmen t

propose dt o approv e th e Jul y 25 , 200 2 interjurisdictiona l governmen t

agreemen t

(IGA ) betwee n Clackama s Count y Servic e Distric t

# 1 an dth e Cit

y o f Milwauki e for

industrial pretreatmen t

i n th e Cit

y o f Milwaukie
. Th e actio n i s anon-substantia l progra mmodificatio n becaus e it strengthen s an dclarifie s th e original agreemen t rathe r than relax th e legal authority o f

th e District
. Th e chang e i s incorporate dwit h thi s permi t

renewal
. A n audi t o f th e pretreatmen t

progra mwa s conducte ddurin g th e week o f Decembe r

6-10 , 2004 , th e pretreatmen t

progra mwa s determine dt o b e wel l organize dan dfunctionin g i n complianc e wit h th e federal pretreatmen t requirement s (4 0 CF RPar t 403 ) an dSchedul e E o f

th e permit
. Pollutant s Discharge d Th e curren t

permi t allow s Clackama s Count

y Servic e Distric t

No
. 1 t o discharg e treate deffluen t fro mth e wastewater

treatment plan t yea r roun dan dinclude dandoptio n fo r lan dirrigation
. Th e curren t permi t set s limit s o n th e followin g pollutants : CBOD 5 , TSS , Feca l Colifor mbacteria , total residual chlorine , p H an

d8 5 % removal efficienc y o f BOD5 an dTSS
. Total colifor mlimit s and management

practice s wer

e als o include dfo

r th e lan dirrigatio n option
. Th e propose dpermi t

wil l regulate CBOD5 , TSS , E
. col l bacteria , total residual chlorine , pH , 8 5 % remova l efficienc y o f

BOD 5 an dTSS , Th e bacteri astandardwa s change dI n 199 6 fro

mfeca lClackama s Count y Servic e Distric t

No
. 1 Kellog g Creek

Evaluatio n Report
. Pag e 6 o f 2 4 colifor mt o E-coli
. Thi s permi t

renewal include s bacteri alimit s for E-coli
. Th e requirement s associate d wit

h lan dirrigatio n hav e bee n removed
. Permi t limit s tota l residua l chlorin e hav e bee n revise dan dpermi t

limit s fo r ammoni ahav e bee n added
. Outfall s Treate dwastewate r

I s discharge dt o th e Willamett e Rive r throug h a48-inc h diamete r pip e tha t discharge s a

t adept h o f approximatel y 4 0 feet
. Th e distanc e fro mth e edg e o f

th e bank i s approximatel y 6 5 feet

whe n measure ddurin g 7Q1 0 flows. Th e discharg e i s locate da t river mil e 18.5
. CORMIX 1 wa s use dfo

r th e modelin g i n amixin g zon e study tha t wa s conducte dfo

r WE S an di s entitle d"Mixin g Zone s Evaluation s fo r CCS D No
. 1 Outfall s o f

th e Kellog g Creek , Borin g & Hoodlan dWPCPs " (Volum e 1 o f 3)(October

2001)
. Th e result s o f

th e CORMIX 1 modelin g wer e adjuste dfo

r fielddat athat

wa s collecte di n Augus t

2001
. Th e Willamette Rive r 7Q1 0 flo w o f

591 0 cf s an d1 0 MGD effluen

t flo w wer e use dto evaluat e th e singl e outfal l pip e mixing
. 4 0 CFRPar t 131.36(c)(2)(H ) state s i n par t tha t aState canno t

us e alo w flo w valu e belo w whic h numeri c standard s can b e exceede dtha t i s les s stringen t

tha n th e 1Q1 0 (o r

1B3 ) fo r acut e criteri aan dth e 7Q1 0 (or 4B3 ) fo r chroni c criteria
. Th e modelin g i s representativ e o f th e velocit

y an ddept

h at thes e flo w regimes
. Th e resultin g zon e o f initial dilutio n (4.3 ) an dedg e o f th e mixin g zon e dilutio n (19.9 ) were use di n th e reasonabl e potential analysis
. Receivin g Streams/Impac t Th e Departmen t

I s require db y th e Federal Clea n Wate r Act , Sectio n 303(d ) t o identif y al l wate r bodie s i n Orego n tha t

d o no t mee t wate r qualit y standards
. Onc e identified , th e streamsegment s ar e place do n th e DEQ' s "303(d ) list"
. Thi s listin g mean s that th e standard s that

protec t th e mos t sensitiv e beneficia

l use s o f th e water are no t bein g me t

an dth e Departmen t

i s require dt o establis h a pla n wit h goal s an dpollutio n contro l target s fo r improvin g wate r

quality
. Th e "303(d ) list " provide s awa y t o identif

y andprioritiz e wate r

qualit y problems
. Th e lis t

als o serve s a s aguid e for

developin g an dimplementin g watershe dpollutio n reductio n plan s t o achiev e wate r qualit y standard s andprotec t

beneficia l uses . Fro mrive r

mil e 0 t o 24.8 , th e Willamette River i s liste don th e 200 2 "303(d) " lis t fo r th e followin g parameters : Paramete r Temperatur e Fecal Colifor

m Toxic s Criteria/Standar d

Fis h Rearing , anadromou s fis h passag e 17. 8 C (64°F ) (Not e standar di s no w 20°C ) Geometri c Mean o f

200 , n o mor e tha

n 10 % >40 0 organism s per

100 m l FishTissue-DD T an dDD T Metabolit e (DDE ) DD T R M 12.7-Tabl e 2 0 >0.00002 4 ug/ L Fis h Tissue-PC B Seaso n Summe r Winter/Spring/Fal l Yea r Roun d Yea r Roun d Yea r Roun dClackama s Count y Servic e Distric t

No
. I Kellog g Creek
. Evaluatio n Repor t Pag e 7 o f 2 4

Iro n Manganes e Biologica l Criteri a Fis h Tissu e -Aldri n

Fis h Tissu e -Dieldri n Fis h Tissu e -Mercury Polynuclea

r Aromati c Hydrocarbon s R M 6 Tabl e 2 0 >280 0 pg/

L Pentachloropheno l - Tabl e 2 0 Sedimen t i n th e are ao f

McCormic k

and Baxte r du e t o soil s an dsedimen t contaminate db y creosote . R M 6. 9 an d13. 1 Tabl e 2 0 > 30 0 ug/ L drinkin g wate r R M 13.1-Tabl e 2 0 >5 0 ug/ L drinkin g wate r Skeletal deformitie s in squawfis h Yea r Roun d Yea r Roun d Yea r Roun d Yea r Roun d N A

Yea r Roun d Yea r Roun d N A A Total Maximu mDail y Loa d(TMDL ) fo r th e Willamette Rive

r fo r temperature , bacteri aan d mercur y ha s bee n throug h an extende dpubli c commen t perio dwhic h ende do n January 31 , 2005
. Upo n approva l o f

aTMD L fo

r temperatur e fo

r thi s sub-basin , thi s permi t ma y b e re-opene dan d temperatur e and/o r

therma l loadlimit s assigned
. I n th e propose dTMD L fo r bacteri aindividual municipal discharge s wil l nee dt o compl y wit h th e wate r qualit y standard
. A permi t

limi t fo r bacteri aha s bee n set . Continue dmonitorin g fo r mercur y i s propose di n th e Willamett e Rive r TMD L an da s par t

o f thi s permit
. Toxic s suc h a s Aldrin , Dieldrin , PCB , DD E an dDDT , Polynuclea r Aromati c Hydrocarbon s an d Pentachloropheno l ar e no t know n t o b e introduce dt o th e domesti c wastewate r treatmen t facilit y throug h productio n or

manufacturin g processes . The y ar e no t considere dt o b e presen t

abov e trac e backgroun dlevels
. Priority Pollutan t scan s wil l b e require dprio r to th e nex t

permi t renewal
. Thi s Informatio n wil l b e use dt o further evaluat e th e toxi c pollutant s a t tha t time
. Skeletal deformitie s i n fish i s aseparat e study , thi s sourc e ha s no t bee n evaluate dfo

r it s contributio n t o skeleta l deformitie s i n squawfish , A recen t study entitle dEnvironmenta l Stresse s an dFis h Deformitie s i n th e Willamett e Rive r Projec t Statu s Repor

t (Decembe r

2003)conducte d b y Department s o f

Environmenta l an dMolecular Toxicology , Microbiology , an dFisherie s an d Wildlife , Orego n Stat e University , Corvallis , Oregon , indicate s that parasite s ar e majo r contributor s t o hig h prevalenc e o f skeletal deformitie s i n fish fromNewber g Poo l o f th e Willamett e River
. Iro n an dmanganes e are liste da s exceedin g th e drinkin g wate r standard s becaus e iro n an d manganes e ca

n b e aestheticall y unappealin g i n drinkin g water . Iro n a t lo w level s impart s atast e t o th e water . Fo r

thes e reasons , drinkin g wate r shoul dno t

contai n >300ug/

L o f Iro n o r > 50ug/ L o f manganese . Effluent

dat awa s no t

available , to evaluat e th e effluen t fo r iro n or manganese . Th e propose dpermi t

doe s no t allo w fo r a n increas e i

n mas s loadlimit s fro

mth e previou s permit
.Clackama s Count y Servic e Distric t

No
. 1 Kellog g Creek

Evaluatio n Repor

t Pag e 8 o f 2 4 Reasonabl e Potentia l Analysi s A discussio n o f

th e reasonabl e potentia l analysi s usin g th e EPA Technical Support Documen t

fo r Wate r Quality-base d Toxic s Contro l (EPA/505/2-90-001 ) fo r chlorine , ammoni aan dmetal s follows
. Base do n facilit

y data , ambien t

rive r data , adilutio n o f

4. 3 a t th e zon e o f

initia l dilutio n an d19. 9 a

t th e edg e o f

th e mixin g zone , th e reasonabl e potentia l analysi s indicate s tha t th e facilit y ha s th e reasonabl e potentia l t o caus e o r contribut e t o aviolatio n o f wate r quality standard s for

chlorin e an dammoni aand.seem s t o indicat e that th e facilit y ha s th e reasonabl e potentia l t o caus e o r

contribut e t o aviolatio n o f wate r quality standard s fo

r metals
. A n evaluatio n effluent

temperatur e dat acollecte dove r 2002-200 3 indicate s that temperatur e criteri ai s me t

a t th e edg e o f

th e mixin g zone . Th e permi t ma y b e reopene dwhe n th e allocatio n fro mth e temperatur e TMD L i s incorporate dint o th e permi t a s apermi t

limit
. Toxi c Substance s (chlorine , ammoni aan dmetals ) OA R340-041-003 3 require s tha t th e level s o f

toxi c substance s shal l no t excee dth e criteri aliste d an dtoxi c substance s shal l not b e introduce dabov e th e natura l backgroun dlevel s i n amount s whic h ma y b e harmfu l i n th e environmen t o r ma y accumulat e in sediment s o r bioaccumulat e i n aquati c life
. Fro mthi s facilit y th e primary toxi c substanc e o f concern ar e chlorine , ammoni aan d metals
. Chlorin e Residua l Wate r qualit y standard s fo

r chlorin e ar e base do n preventin g both acut e an dchroni c toxicity
. Th e acut e chlorin e standar di s 0.01 9 mg/ L an dth e chroni c chlorin e standar di s 0.01 1 mg/L. Th e facilit y use s UV fo

r disinfectio n o f

th e effluen

t t o compl y wit

h th e effluen

t limit s fo r bacteria
. A sodiu mhypochlorit e liqui dapplicatio n syste mi s availabl e fo r emergenc y back-u p disinfection
. Sodiu mbisulfit e i s use dfor dechlorinatio n whe n th e emergenc y back-u p chlorinatio n disinfectio n syste mi s In use .

PARAMETE R
CHLORIN E Effluent Dat a Hot _Samgles
_ 167 3 Highes t Cone
. mg/ l 0,0 7 Coef

. o f Varianc e
0.2 1 Cal c Max Effluent Cone
. mg/ l 0. 1 StreamDat a Backgroun d Cone
. mg/ l 0.0 0 Ma x

Cone , ZI D mg/ l 0.01 3 Ma

x Cone
. M Z mg/ l 0,00 3 CRITERI A

1 Hou r (CMC ) mg/ l 0.01 9 4 Day (CCC ) mg/ l 0.0 1 S REASONABL E

POTENTIA L ? (YES/NO ) ACUT E N O CHRONI C

N O Th e effluen

t dat afor th e reasonabl e potentia l reflect s th e us e o f U V disinfectio n with chlorination/dechlorinatio n bac k up . A permi t

limi t remain s i n th e permi t

t o indicat e th e amoun t o f chlorin e residua l tha t

woul dcaus e awate r

quality violatio n i f

th e equipmen t

wer e no t operatin g properly
. Ammoni a Th e Environmenta l Quality Commissio n adopte dOA R340-04 1 Tabl e 3 3 (EP A 199 9 criteri afor ammonia ) o n Ma

y 20 , 200 4 andi s waitin g fo r EP A t o approv e th e ne w criteria
. Therefore , th eClackama s Count y Servic e Distric t

No
. I Kellog g Creek

Evaluatio n Repor

t Pag e 9 of 24 reasonabl e potentia l analysi s fo r ammoni awa s conducte dusin g bot h OAR340-041Tabl e 3 3 and Tabl e 2 0 (EP

A 198 6 criteri afo

r ammonia)
. Wate r qualit y standard s fo

r ammoni a(NH3-N) ar e base do n preventin g bot h acut e an d chroni c toxicity
. Th e Reasonabl e Potentia l Analysi s fo r ammoni atake s into consideratio n effluen t an d ambien t ammonia , effluen

t an d ambien t

water temperature , pH , dilutio n an d th e presenc e o r absenc e o f

salmonid s in th e receivin g wate r in th e summe r

an d th e winter
.

Summe r dat a

p H (6.5- 9 S
. U. ) = •"••"' Temp° C =

Alkalinit y = Salmonid s Present ? (Y/N )

• ' Fres h Wate r? (Y/N ) Effluen t 7. 1 2 0 8 5 Strea m

7. 5 2 0 2 5 y y ZI D

7. 2 2 0 MZ

7. 4 2 0

PARAMETE R
AMMONI A AMMONIA* * AMMONIA* * (monthly ) Effluent Dat a #o f Sample s
76 1 76 1 3 6 Highes t Cone
. mg/ l 48. 2 48. 2 25. 6 Coef

. o f Varianc e
0.3 5 0.3 5 0.1 8 Cal c Ma

x Effluen t Cone
. mg/ l 33, 7 33. 7 28. 2 StreamDat a Backgroun d Cone
. mg/ l 0.0 6 0.0 6 0.0 8 Ma

x Cone , ZI D mg/ l 7. 9 7. 9 n/a Ma

x Cone
. M Z mg/ l 1. 8 1. 8 1.5 CRITERI A 1 Hour (CMC ) mg/ l 16. 9 20. 2 n/ a 4 Da

y (CCC ) mg/ l 1.2 8. 5 3. 4 REASONABLE

POTENTIAL ? (YES/NO ) ACUT E N O N O n/ a CHRONI C

YE S N O N O **Propose d Ammoni aStandard- 199 9 Updat e o f Ambien t Wate r Quality Criteri afo

r Ammoni a(EPA-882-R-99-014 )

'Winte r dat a p H (6.5- 9 S
. U. ) =

' • Temp° C = Alkalinit y = Salmonid s Present ? (Y/N ) Fres h Wate r? (Y/N ) ' Effluen t • 7. 5 1 5 8 5 Strea m

7. 6 1 5 2 5 y y ZI D

7. 5 1 5 M Z "

7. 6 1 5

PARAMETE R

AMMONI A AMMONIA* * Effluen t Dat a #o f Sample s

72 9 72 9 Highes t Cone
. mg/ l 5 9 5 9 Coef

. o f Varianc e
0.3 0 0.3 0 Cal c Max Effluent Cone
. mg/ l 47, 2 47. 2 Strea

mData Backgroun d Cone
. mg/ l 0.0 6 0.0 6 Ma

x Cone
. ZI D mg/ l 11. 0 11. 0 Ma

x Cone
. M Z mg/ l 2. 4 2. 4 CRITERI A I Hou r (CMC ) ____mj/l__

_ 11. 6 12. 4 4 Da

y (CCC ) __mg_/l
_ 1. 8 9. 8 REASONABLE

POTENTIAL ? (YES/NO ) ACUT E N O N O CHRONI C

YE S N OClackama s Count y Servic e Distric t

No
. 1 Kellog g Creek

Evaluatio n Repor

t Pag e 1 0 o f

2 4 AMMONIA* * (monthly ) 3 7 2 3 0.2 7 25. 3 0.0 9 1 n/a / ! 1. 4 n/a 3. 9 n/ a N O * * Propose dAmmoni aStandar d- 199 9 Updat e o f Ambien t Wate r Quality Criteri afo

r Ammoni a(EPA-882-R-99-014 )

Winte r dat a

p H (6,5- 9 S , U. ) = Temp° C = Alkalinit y = ':• Salmonid s Present ? (Y/N ) Fres h Wate r? (Y/N ) Effluen t 7. 5 1 0 85 Strea m

7. 6 1 0 2 5 y y ZI D

7. 5 1 0 M

Z 7. 6 1 0

PARAMETE R

AMMONI A AMMONIA* * AMMONIA* * (monthly ) Effluen t Dat a #o f Sample s
72 9 72 9 3 7 Highes t Cone , mg/ l 5 9 5 9 23, 0 Coef

. O f Varianc e
0.3 0 0.3 0 0,2 7 Cal c Max Effluent Cone
. mg/ l 47. 2 47. 2 25. 3 StreamDat a Backgroun d Cone
. mg/ l 0.0 6 0.0 6 0.0 9 Ma

x Cone
. ZI D mg/ l 11. 0 11. 0 n/ a Ma

x Cone
. M Z mg/ l 2. 4 2, 4 1, 4 CRITERI A 1 Hou r (CMC ) _^nsA_j 12. 0 12. 4 n/ a 4 Da

y (CCC ) mg/ l 1. 9 13. 5 5. 4 REASONABLE

POTENTIAL ? (YES/NO ) ACUT E N O N O n/ a CHRONI C

YE S N O N O * * ^Propose d Ammonia Standard

- 199 9 Updat e o f Ambien t Wate r Quality Criteri afo

r Ammoni a(EPA-882-R-99-014 ) Th e reasonabl e potential analysi s indicate s tha t th e facility ha s th e reasonabl e potentia l t o contribut e t o a

n in-strea mexcursio n o f

th e OA R340-04 1 Tabl e 2 0 ammoni acriteri a(EP A 1986)
. Whe n adischarg e ha s th e reasonabl e potentia l t o caus e o r contribut e t o an in-strea mexcursio n abov e th e allowabl e W Q criterion , NPDE S permi t regulation s i n 40CF R122,44(d)(l)(iii ) require s tha t

permi t limit s b e established
. Permi t limit s ar e se t

for OA R340-04 1 Tabl e 2 0 ammoni acriteri aa s apart o f thi s permit
. Th e same analysi s show s tha t there i s n o reasonabl e potential t o excee dth e EP A 199 9 criteri afo

r ammonia ; therefore , th e OA R340-04 1 Tabl e 2 0 ammoni alimit s wil l b e i n effec t unti l th e EP A ha s approve dth e OAR340-04 1 Tabl e 3 3 ammoni acriteria
. Metal s Th e EP A metho do f

reasonabl e potential analysi s wa s perforate dusin g bot h OA R340-04 1 Tabl e 2 0 an dTabl e 3 3 fo

r th e followin g metals : arsenic , cadmium , chromium , copper , lead , mercury , nickel , silve r

an dzinc
. Th e reasonabl e potential analysi s wa s performe dusin g effluen t metal s from th e facilit y an dtw o sample s fro

mth e Willamette River
. Current metal s dat a(Jun e 200 2 t o Jun e 2005 ) wa s use dt o evaluate th e reasonabl e potential analysis
. Fo r thos e metal s tha

t ar e hardnes s dependent th e hardnes s tha

t wa s use di s 3 5 mg/

L CaC0 3 a

t th e ZID an d2 7 mg/

L a t th e edg e o f

th e mixin g zone .Clackama s Count y Servic e Distric t

No
. 1 Kellog g Cree

k Evaluatio n Repor

t Pag e 1 1 o f

24

PARAMETE R
ARSENI C V ARSENI C II I ARSENI C III* * CADMIUM 2 CADMIUM 2 * * CHROMIU M V I CHROMIU M III 2 CHROMIU M III 2 * * COPPER 2 COPPER 2 '* * LEAD 2 MERCURY NICKEL 2 NICKEL 2 " SILVE R 2 SILVE R 2 *

* ZINC 2 ZINC 2 " Effluent Dat a tfof Sample s
3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 Highes t Cone
. Mg/ l 1.1 0 1.1 0 1.1 0 0. 2 0. 2 4, 8 4. 8 4. 8 9. 0 9. 0 1.1 5 0. 2 2. 9 2. 9 1.5 8 1,5 8 40. 2 40, 2 Coef

. o f Varianc e 0,1 8 0.1 S 0.1 8 0.6 5 0.6 5 0,6 5 0.6 5 0.6 5 0,1 7 0.1 7 0. 4 1.6 5 0.1 9 0,1 9 0.4 5 0,4 5 0.2 2 0.2 2 Calc
. Max Effluent Cone , Hg/ 1 1.2 1 1.2 1 1.2 1 0.2 8 0.2 8 6.7 2 6.7 2 6.7 2 9. 9 9. 9 1.3 8 0.3 8 3.1 9 3.1 9 2.0 5 2.0 5 44.2 2 44.2 2 Strea mData Background * Cone
. Mg/ l 0, 6 0. 6 0. 6 0.0 5 0.0 5 0. 6 0. 6 0. 6 1. 3 1. 3 0.2 2 0.002 4 0.7 0 0.7 0 0.0 2 0,0 2 3.4 1 3,4 1 Ma

x Cone
. ZID fig/ 1 0.7 4 0.7 4 0.7 4 0.1 0 0.1 0 2.0 2 2.0 2 2.0 2 3. 3 3. 3 0.4 9 0.0 9 1.2 8 1.2 8 0.4 9 0.4 9 12. 9 12. 9 Ma

x Cone
. MZ Ug/ 1 0.6 3 0.6 3 0.6 3 0.0 6 0.0 6 0.9 1 0.9 1 0.9 1 1.7 3 1.7 3 0.2 8 0.0 2 0.8 3 0.8 3 0,1 2 0.1 2 5.4 6 5.4 6 FRESHWATE R

CRITERI A 1 Hour (CMC ) M-g/ l 85 0 36 0 34 0 1.2 2 0.7 4 16. 0 74 3 771. 7 6.6 7 5.2 7 21.8 2 2. 4 590. 0 195. 5 0,6 8 0.6 4 48.6 2 49.7 8 4 Da

v (CCC ) ug/ 1 4 8 19 0 15 0 0.4 1 0.1 0 11. 0 71. 4 29. 7 3.8 9 3,0 7 0.6 1 0.01 2 52. 5 17. 4 0.1 2 0.1 2 35,2 4 39.8 3 REASONABLE

POTENTIA

L ? {yes/no ) ACUT E
N O N O N O N O N O N O N O N O N O N O N O N O N O N O N O N O N O N O CHRONI C

N O N O N O N O N O N O N O N O N O N O N O YE S N O N O YE S YE S N O N O (1 ) Not aDE Q Criteria
. (2 ) Hardnes s Dependen

t Bold= the detectio

n limi t *Backgroun

dconcentration s i

n * * Propose dstandar dWate r th e Willamett

e Rive r Qualit y Criteri aRevision s fo

r Toxi c Pollutant s Tabl e 3 3 Th e maximu mo f

th e tw o backgroun dwate r sample s were use di n th e reasonabl e potential
. Th e maximu muse di n th e reasonabl e potentia l analysi s fo r silve r wa s reporte da s < 0.0 2 ug/ L with a metho dreportin g limi t

(MRL ) o f

0.0 2 ug/L
. Th e othe r

backgroun dsampl e resul t fo r silve r wa s <0.0 1 ug/L
. Th e maximu muse di n th e reasonabl e potentia l analysi s fo r mercury wa s reporte da s 0.002 4 ug/

L wit h a n MR L o f 0.00 1 ug/L
. Th e othe r

backgroun dsampl e resul t fo r mercur y wa s 0.000 9 ug/L
. Th e amoun t

o f dat aan dth e detectio n leve l o f th e analytica l result s use di n th e reasonabl e potentia l analysi s pla

y a n importan t

part i n determinin g whethe r

ther e i s a n actual in-stream excursio n abov e th e allowabl e wate r quality criterion
. Becaus e th e recommende dnumbe r o f sample s fo

r th e reasonabl e potentia l analysi s i s aminimu mo f four , th e Departmen t

wil l requir e additiona l sample s t o b e taken
. Th e dat aanalysi s wil l als o requir e reportin g o f th e metho d detectio n limi t

(MDL ) an dhardnes s fo

r th e sampl e analysis
. Th e interna l managemen t directiv eClackama s Count y Servic e Distric t

No , 1 Kellog g Creek

Evaluatio n Repor

t Pag e 1 2 o f

2 4
o n th e reasonabl e potentia l analysi s require s th e MD L b e reporte dan dtake n int o consideratio n with th e practica l quantificatio n leve l (PQL ) whe n evaluatin g th e data
. Th e rang e o f

effluent dat afo r silve r an d mercur y ar e show n below
. Metal s dat atha t wa s reporte d with th e discharg e monitorin g report s i n previou s year s doe s not . distinguis h betwee n th e different type s o f detectio n limits
.

1. 8 1. 6 J 1. 2 fe 0, 8 £ 0. 6 • * •

• • • **
* » • * * *

• • * * » «*

• 0. 4 0. 2 0 Apr-0 1 Sep-0 2 jan-0 4 May-0 5 Ocf-0 6 month/yea r 3 a s 3 £ •
3 3 G 0. 2 " * * • * * • 0.1 5 • • 0. 1 • 0.0 5 - 0 i
. . • . • •.??.•••••••*.••*?*«•*•••• * & &<&<$>

<£ > j ? S ? $y > & ^ & p\j £ &

& month/yea r Afte r completio n o f

th e monitoring , a

n RP A wil l b e performed , an dth e permi t potentiall y reopene dan dmodifie dbase do n th e result s o f th e analysis
. Temperatur e Thi s segmen t

o f th e Willamett e Rive r

serve s a s amigratio n corrido r fo r salmonids
. OA R340

- 041-0028(4)(d ) state s tha t th e 7-da y maximu mtemperatur e o f astreamidentifie da s amigratio n corrido r may no t excee d20°C(68°F)
. I n addition , fo r stream s tha

t d o no t mee t wate r qualit y standards , OAR-041-0028(12)(b)(A ) state s tha t prio r t o th e completio n o f

atemperatur e TMD L or othe r cumulativ e effect s analysis , n o singl e NPDE S poin t sourc e tha t discharge s int o temperatur e water qualit y limite dwater

ma y caus e th e temperature o f th e water bod y t o increas e mor e than 0.3° C abov e th e applicabl e criteri aafte r mixin g wit

h either twenty-fiv e percen t

o f th e strea mflo w o r th e temperatur e mixin g zon e whichever i s more restrictive
. A temperatur e TMD L ha s no t bee n complete dfo

r th e Willamett e River , therefore th e abov e provisio n fromOAR340-041

- 0028(12)(b)(A ) applies
. In this case , th e amount o f dilutio n a t th e edg e o f

th e 20 0 foot

mixin g zon e o f 19. 9 i s mor e restrictive
. Th e Distric t

collecte dcontinuou s temperatur e dat ao f th e effluent

an dupstrea mi n th e Willamett e Rive r fromJun e 200 2 throug h January 2003
. Th e dat awas use dt o establis h a7-day rollin g averag e o f

th e maximu mtemperatures . Th e effluen t dat awa s evaluate dfor

it s impac t

o n th e receivin g stream . Th e followin g equatio n wa s use dt o determin e if th e effluent

temperatur e fromth e facilit y woul d caus e a n increas e o f

0.3° C (0.5°F ) abov e th e biologicall y base dnumeri c criteri ao f 20° C (68°F)
. TMz=(T E +DTr)/(EH-l ) Where : TM Z = temperature o f

th e strea ma t th e edg e o f

th e mixin g zon e (0.3° C o r 0.5° F or abov e th e applicabl e criteria )Clackama s Count y Servic e Distric t

No
. 1 Kellog g Creek

Evaluatio n Repor

t Pag e 1 3 o f

2 4 T E ~ effluen

t temperatur e = 7 da

y movin g averag e o f

th e maximu mdail y temperatur e fro m continuou s monitorin g in Jun e 200 2 to Januar y 2003
. T r = river temperature dat a D = dilutio n a

t th e edg e o f

th e mixin g zon e Th e grap h belo w show s th e amoun t o f dilutio n a

t th e edg e o f

th e mixin g zon e that

i s necessary fo r a n increas e tha t

i s les s tha n o r

equa l t o ameasurabl e increas e o f 0.5° F (0.3°C ) in th e biologicall y base dnumeri c temperatur e criteri ai s show n i n th e graph below
. Th e lon g das h lin e represent s th e 7 da

y movin g averag e o f

th e effluen

t temperatur e (Te°C)
. Th e thi n soli dlin e represent s th e temperatur e criteri ai n th e Willamette River (Tr°C)
. Th e thic k

soli dlin e represent s th e dilutio n (D)
. CCS D No
. 1 - Kellog g Cree k
25.00 0 - 10. 0

-5. 0 c o 5

0.00 0 4 — L-10. 0

- -15. 0
-20. 0 %, <S/ V \ 4, '<? ~o e & O

<2? °A % 

# a.

'<? ? * P •v p Dat e Base do n th e dat aavailable , adilutio n o f 8 i s sufficient

t o mee t th e biologicall y base dnumeri c criteria
. Th e biologicall y base dnumeri c criteri awil l b e met . Th e Willamett e Rive r

i s currentl y liste da s wate r quality limite dfo

r temperature . A TMD L addressin g water

quality ha s no t

yet bee n approve dfor

th e sub-basin
. Upo n approva l o f aTMD L fo r temperatur e fo

r thi s sub-basin , thi s permi t ma y b e re-opene dan

dtemperatur e and/o r

therma l loa dlimit s assigned
. Th e Department' s wate r

quality standard s als o includ e th e temperatur e thermal plum e limitation s i n OA R340-04 1 -0053(2)(d)
. Thi s sectio n o f th e rule s contain s criteri at o preven t potentia l advers e impact s tha t

may resul t

fro mthermal plume s withi n th e mixin g zone .Clackama s Count y Servic e Distric t

No
. 1 Kellog g Creek

Evaluatio n Repor

t Pag e 1 4 o f

24
Th e impairmen t

o f a n activ e salmoni d spawnin g are awher e spawnin g redd s are locate dor likel y to b e locate d[OA R340-04I-0053(d)(A)]
. Thi s segmen t o f th e Willamett e Rive r

i s amigratio n corrido r for salmonids
. Base do n Figur e 304 B in OA R340-041-028 , spawnin g i n thi s segmen t o f th e rive r doe s no t occur . Acut e impairmen t

o r instantaneou s lethality i s prevente do r minimize db y limitin g potentia l fis h exposur e t o temperature s o f 32° C o r highe r t o les s tha n 2 second s [OA R340-04l-0053(d)(B)]
. Base do n temperatur e dat acollecte dusin g acontinuou s recordin g device , th e maximu meffluent temperatur e o f

23° C i s les s tha n 32°C
. Therma l shoc k cause dby asudde n increas e i n water temperatur e i s prevente do r minimize db y limitin g potentia l fish exposure t o temperature s o f 25° C o r highe r t o les s than 5 % o f

th e cross sectio n of th e 7Q1 0 flo w o f

th e water body [OA

R340-04 1 -0053(d)(C)]
. Effluen t temperature s o f 25° C o r highe r ar e limite dt o les s tha

n 5 % o f th e cros s sectio n o f

th e 7Q1 0 flow o f

th e waterbody
. Th e maximu meffluen

t temperatur

e recorde dfromJun e 2002t o Januar y 200 3 wa s 23°C
. Effluen t temperature s wil l b e reduce dt o 25° C in les s than 5 % o f th e cros s sectio n o f

th e 7Q1 0 o f

th e waterbody
. Th e lo w wate r widt h o f th e Willamett e Rive r

in th e are ao f

th e outfal l i s approximatel y 100 0 fee t acros s an d6 0 fee

t deep
. Unles s ambien t

temperatur e i s 21° C or

greater , migratio n blockag e i s prevente do r minimize db y limitin g potentia l fis h exposur e t o temperature s o f 21° C o r highe r t o les s tha n 25 % o f

th e cross sectio n o f 100 % o f th e 7Q1 0 flow o f

th e wate r bod y [OA R340-041-0053(d)(D)] . Th e temperatur e dat acollecte dt o dat e indicate s tha t th e maximu meffluent

temperatur e i s 23°C
. Effluen t temperature s wil l b e reduce dt o 21° C i n les s than 25 % o f th e cros s sectio n o f

th e 7Q1 0 o f th e waterbody
. Th e lo w water widt h o f th e Willamett e Rive r

in th e are ao f

th e outfal l i s approximatel y 1000 fee

t acros s and6 0 fee

t deep
. A temperatur e o f

21° C wil l b e withi n acros s sectio n tha t

i s muc h les s tha n 25%
. Groundwate r Base do n th e Department' s curren t information , thi s facilit

y ha s alo w potentia l for

adversel y impactin g groundwate r

quality
. Therefore , Schedul e D o f th e propose dpermi t

state s tha t

n o groundwate r

evaluations wil l b e require ddurin g thi s permi t cycle
. Th e permi t

als o include s a conditio n i n Schedul e A tha t prohibit s an y advers e impac t o n groundwate r

quality
. Stormwate r General NPDE S permit s fo r stormwate r

are require dfor

facilitie s with adesig n flo w o f greate r tha n 1 MG D i f

stormwate r

i s collecte dan ddischarg e fro mth e plan t site
. Becaus e thi s facilit

y doe s no t discharg e stormwate r

fro mth e plan t

site , aseparat e stormwate r permi t i s no t necessary . PERMI T DISCUSSIO N Pollutant s Discharge d Th e NPDE S permi t

10098 3 was renewe do

n Septembe r

30 , 1992
. Th e permi t

se t limit s o n th e followin g pollutants : CBOD5 , TSS , Feca l Colifor mbacteria , pH , percen t

remova l o f BOD 5 an dClackama s Count y Servic e Distric t

No
. 1 Kellog g Creek

Evaluatio n Repor

t Pag e 1 5 o f

2 4 TS S an datotal residual chlorin e limit
. Thi s NPDE S permi t als o include daconditio n i n Schedul e C t o conduc t

amixin g zon e stud

y t o determin e i f

wate r qualit y base deffluen

t chlorin e limit s neede dt o b e revised
. Th e NPDE S permi t wa s modifie do n Januar

y 19 , 1994 to includ e arevise d chlorin e limit
. Th e modificatio n wa s issue dwit h aStipulatio n an dFina

l Order t o giv e the facilit

y tim e to mee t

th e effluen

t chlorin e limit
. Th e propose dpermi t

wil l regulate CBOD 5 , TSS , E
. col i bacteria , percen t removal o f

BOD5 an d TSS
. Revise deffluen

t chlorin e limit s ar

e include dbase do n th e mos t recent mixin g zon e study
. Th e revise deffluen

t chlorin e limi t

i s mor e restrictive
. Th e facilit

y wil l b e abl e t o mee t

th e limit s a

t th e tim e o f

permi t issuanc e wit

h th e U V disinfectio n syste man dth e chlorination/dechlorinatio n syste mbackup
. Th e permi t als o include s ne w limit s fo r ammonia
. PERMI T DISCUSSIO N Fac e Pag e Th e permitte e i s authorize dt o construct , install , modify , o r

operat e awastewater

collection , treatment , contro l an ddisposal system . Penult s discharg e o f

treate deffluen

t t o th e Willamette withi n limit s set

b y Schedul e A andth e followin g schedules
. Al l other discharge s ar

e prohibited
. Schedul e A - Wast e Discharg e limitation s BO D an dTS S concentratio n an

dmas s limit s A monthl y averag e effluen t concentratio n o f

1 5 mg/ L fo r CBOD 5 an d2 0 mg/

L TS S i s require d fromMa y 1.-Octobe

r 31
. Fro mNovember

1 - Apri l 30 , aminimu mo f secondar y treatmen t

or equivalen t i s required
. Secondar

y treatment

fo r thi s facilit

y i s define da s monthl y averag e concentratio n limi t

o f 3 0 mg/ L fo r BOD5 (or 2 5 mg/ L fo r CBOD5 ) and3 0 mg/

L fo r TSS
. Th e mas s limit s fo

r CBOD S an

dTS S ar e base do n th e desig n averag e dr y weather flow o f 1 0 MGD
. CBOD ^ BOD^an d TS S Th e limit s are : (1 ) Ma

y 1-Octobe r

31 :
Parameter CBOD 5 TS S Averag e

Concei Monthl y 1 5 mg/ L 2 0 mg/ L ; Effluen

t ltration s Weekly 2 5 mg/ L 3 0 mg/ L Monthl y

Averag e lb/da y 1300 1700 Weekl y

Averag e lb/da y 200 0 260 0 Dail y

Maximu m Lb s 260 0 340 0 (2 ) Novembe r

1 - Apri l 30 :
Parameter CBOD 5 TS S Averag e

Concei Monthl y 2 5 mg/ L 3 0 mg/ L Effluen

t ltration s Weekl y 4 0 mg/ L 4 5 mg/ L Monthl y

Averag e lb/da y 210 0 250 0 Weekl y

Averag e lb/da y 320 0 380 0 Dail y

Maximu m Lb s 420 0 500 0Clackama s Count y Servic e Distric t

No
. 1 Kellog g Creek

Evaluatio n Repor

t Pag e 1 6 o f

24 Calculations : (1 ) Summer

CBOD 5 (a ) 1 0 MG D x 8.3 4 lbs/ga l x 1 5 mg/

L monthl y avg . = 1300 lbs/da y (b ) 1300 lbs/da

y monthl y avg . x 1.5 = 200 0 lbs/da y weekl y avg . (c ) 1300 lbs/da

y monthl y avg . x 2. 0 = 260 0 lbs/day daily max . (2 ) Summe r

TS S (a ) 1 0 MG D x 8.3 4 lbs/ga l x 2 0 mg/

L monthl y avg . = 1700 lbs/da y (b ) 1700 lbs/da

y monthl y avg . x 1.5 = 260 0 lbs/da y weekl y avg . (c ) 1700 lbs/da

y monthl y avg . x 2. 0 = 340 0 lbs/day dail y max . (3 ) Winter

CBOD 5 (a) 1 0 MG D x 8.3 4 lbs/gal x 2 5 mg/ L monthl y avg . = 210 0 lbs/da y (b ) 210 0 lbs/da

y monthl y avg . x 1.5 - 320 0 lbs/day weekl y avg . (c ) 210 0 lbs/da

y monthl y avg . x 2. 0 = 420 0 lbs/day dail y max . (4 ) Winte r

TS S (a ) 1 0 MG D x 8.3 4 lbs/gal x 3 0 mg/ L monthl y avg . = 250 0 lbs/da y (b ) 250 0 lbs/da

y monthl y avg . x 1.5 = 380 0 lbs/day weekl y avg . (c ) 250 0 lbs/da

y monthl y avg . x 2. 0 = 500 0 lbs/day daily max . N o change s fromth e previou s permi t ar e proposed
. BO D an dTS S Percen t

Removal Efficienc y A minimu mleve l o f

percen t removal fo

r BOD5 an dTS S fo

r municipa l discharger s i s require dby th e Cod e o f

Federal Regulation s (CFR ) secondar y treatmen t

standard s (4 0 CFR , Par

t 133)
. A n 8 5 percen t removal efficienc y limi t

i s include di n th e propose dpermi t to compl y wit

h federa l requirements
. E H Th e Willamette Basi n Water Qualit y Standardfo

r p H i s foundin OAR340-041-0445(2)(d)
. Th e allowe drang e i s 6. 5 to 8.5
. Th e propose dpermi t limit s p H t o th e rang e 6. 0 to 9.0
. Thi s limi t i s base do n Federal wastewater treatmen t guideline s fo

r sewag e treatmen t

facilities , an di s applie d t o th e majorit

y o f NPDE S permittee s i n th e state . Mixin g wit h ambien t water withi n th e mixin g zon e wil l ensure that

th e p H a t th e edg e o f

th e mixin g zon e meet s th e standard , andth e Department consider s th e propose dpermi t limit s t o b e protectiv e o f

th e wate r qualit y standard
.Clackama s Count y Servic e Distric t

No
. 1 Kellog g Cree

k Evaluatio n Repor

t Pag e 1 7 o f

2 4 Bacteri a Th e propose dpermi t

limit s are base do

n a n E
. col i standar dapprove di n Januar y 1996
. Th e propose dlimit s are amonthl y geometri c mean o f 12 6 E
. col i pe

r 100 mL , with n o singl e sampl e exceedin g 40 6 E
. col i pe r 10 0 mL
. Th e ne w bacteri astandar dallow s tha t i f asingl e sampl e exceed s 40 6 E col i pe r

10 0 mL , the n th e permitte e may tak e five consecutiv e re-samples
. I f th e lo g mean o f

th e five re-sample s i s les s than or equal t o 126 , aviolatio n i s no t triggered
. Th e ne w rul e state s tha t

th e re-sample s shoul db e take n a t fou r hou r interval s beginnin g a s soo n a s practicabl e (preferabl y withi n 2 8 hours ) afte r th e origina l sampl e wa s taken
. Chlorin e Residual Th e treatmen t

facilit y use s ultra-viole t

ligh t t o disinfec t

th e treate dwastewater

wit h a chlorination/dechlorinatio n disinfectio n syste mfo r backup
. Th e permi t

limi t fo r total chlorin e residual wa s change dt o reflec t th e dilutio n availabl e i n th e mixin g zon e base do n th e update d mixin g zon e stud

y " Mixin g Zone s Evaluation s fo r CCS D No
. 1 Outfall s o f th e Kellog g Creek , Borin g & Hoodlan dWPCP s (Octobe r 2001)"
. Chlorin e i s aknow n toxi c substanc e an da s suc h i s subjec t t o limitatio n unde r

Orego n Administrativ e Rules
. Th e fresh water criteri afo r chlorin e were use dt o calculate permi t limitations
. Chlorin e concentration s o f 0.01 1 mg/

L ca n resul t i n chroni c toxicit

y i n fres h water s whil e 0.01 9 mg/

L can resul t

i n acute chlorin e toxicity i n fres h water ; therefore , permi t limit s base d o n th e acut

e an dchroni c criteri awer

e calculated
. Sinc e th e acute andchroni c criteri aare base do n differen t durations , th e duration s ar e equate dt o alon g ten n average . Usin g EPA' s guidanc e document , Technical Suppor t Document

fo r Water Quality-base dToxic s control , effluen t limit s were establishe dt o mee t

th e in-strea

mcriteria
. Permi t Limi t calculatio n for

Total Residua l Chlorin e Acut e Criteri a mg/

L Chroni c Criteri a mg/

L ZI D Dilutio n M Z Dilutio n Wasteloa d Allocatio n (acute ) mg/ L WLA a= ZI D x Acut e criteri a WLA ainclude s a

n ambien t residua l chlorin e o f

0. 0 mg/ L Wasteloa d Allocatio n (chronic ) mg/ L WLA c = M Z x Chroni c criteri a WLA c include s a

n ambien t residua l chlorin e o f

0. 0 mg/ L Lon g Ter m Averag e (acute ) mg/ L LTA a= WLA a* exp(0.5sigma ~ - Z * sigma ) sigma2 = 0.307 5 Z = 2.32 6 base don 99t

h % Lon g Ter m Averag e (chronic ) mg/ L LTA c = WLA c x exp(0.5sigma 4 2 - Z x sigma,) ) Z = 2.32 6 base don 99t

h % sigma 4 2 = 0.086 2 Minimu m Lon g Term Averag e mg/ L 0.01 9 0.01 1 4. 3 19. 9
0.0 5
0.1 7

0.0 3

0.1 2 0.0 3Clackama s Count y Servic e Distric t

No
. 1 Kellog g Creek

Evaluatio n Repor

t Pag e 1 8 o f

2 4 LT A = mi n (LTAc , LTAc ) Maximu mDail y Limi t

mg/ L MD L = LTA x exp( Z x sigm a- 0.5sigma 2 ) Z = 2.32 6 base do

n 99th % sigma~ = 0.307 5 Averag e Monthl y Limi t mg/ L AM L = LT A x exp( Z * sigma, , - 0.5sigman 2 ) Z = 1.645 base do n 95t

h % Sigma„ 2 = 0.0119 3 0.0 8

0.0 3 Ammoni a Complianc e wit

h acute toxicity criteri ai s require d a t th e edg e o f

th e ZI D an

d complianc e wit

h chroni c toxicit

y criteri ai s require d a

t th e edg e o f

th e MZ
. Usin g EPA' s guidanc e document , Technical Suppor

t Documen t

fo r Water Quality-base d Toxic s contro l effluen t limit s wer

e establishe d to mee t

th e in-streamcriteri afo r ammoni ai n th e summe r an d winter
. Th e permi t limit s show n belo w ar

e base d o n adilutio n o f

4. 3 a t th e edg e o f

th e ZI D an d 19. 9 a

t th e edg e o f

th e MZ
. Summer Ammoni aCriteria : Summe r Permi t Limi t calculatio n for

Ammoni a Acut e Criteri amg/ L Chroni c Criteri amg/ L ZI D Dilutio n M Z Dilutio n Wasteloa dAllocatio n (acute ) mg/ L WLA a= ZI D x Acut e criteri a WLA ainclude s ambien t

ammoni ao f

0.0 6 mg/ L Wasteloa dAllocatio n (chronic ) mg/ L WLA c = M Z x Chroni c criteri a WLA c include s ambien t

ammoni ao f

0.0 6 mg/ L Lon g Ter mAverag e (acute ) mg/ L LTA a= WLA ax exp(0.5sigma 2 - Z x sigma ) sigma 2 = 0.115 6 Z = 2,32 6 base don 99th % Lon g Ter mAverag e (chronic ) mg/ L LTA c = WLA c x exp(0,5sigma 4 2 - Z x sigma4 ) Z = 2.32 6 base do n 99th % sigma4 2 = 0.030 2 Minimu mLon g Ter mAverag e mg/ L LTA = minimu mo f

eithe r LTA ao r LTAc ) Maximu mDail y Limi t

mg/ L MD L = LT A x exp( Z x sigm a- O.Ssigma 2) Z = 2.32 6 base don 99t

h % sigm a= 0.115 6 Averag e Monthl y Limi t

mg/ L AM L = LT A x exp( Z x sigma, , - 0.5sigma„ 2 ) Z = 1.645 base don 9 5 t

h % Sigma„ = 0.0101 6 16. 9 1.2 4. 3 19. 9
72.4 4
23.4 2

34. 8

15.8 7 15.8 7

33. 0

18. 6Clackama s Count y Servic e Distric t

No
. 1 Kellog g Creek

Evaluatio n Repor

t Paael9of2 4 A n evaluatio n o f

th e dat ashow s tha

t th e monthl y averag e effluen t limit s fo r th e summer

an da t time s th e dail v maximu mwil l b e exceeded
.

* Monthl y A«rag e Monthl y Limit

May-0 5 May-0

4 May-0

3 May-0

2 May-0 1 May-0

0 May-9

9

• MA X Dail y j Dail y Limit !

fay-05 May-0 4 May-0 3 May-0 2 May-0 1 May-0 0 May-9 9 Winter Ammoni aCriteria : Winte r Permi t Limi t calculatio n for

Ammoni a Acut e Criteri a mg/

L Chroni c Criteri a mg/

L ZI D Dilutio n M Z Dilutio n Wasteloa d Allocatio n (acute ) mg/ L 11. 6 1. 8 4. 3 19. 9 49.7 1Clackama s Count y Servic e Distric t

No
. 1 Kellog g Creek

Evaluatio n Repor

t Pag e 2. 0 o f 24 WLA a= ZI D x Acut e criteri a WLA ainclude s ambien t

ammoni aof

0.0 6 mg/ L Wasteloa dAllocatio n (chronic ) mg/ L WLA c = M Z x Chroni c criteri a WLA c include s ambien t

ammoni ao f

0,06mg/ L Lon g Ter mAverag e (acute ) mg/ L LTA a= WLA ax

exp(0.5sigma 2 - Z x sigma ) sigma 2 = 0.086 2 Z - 2.32 6 base don 99th % Lon g Ter m Averag e (chronic ) mg/ L LTA c = WLA c x exp(0.5sigma4 2 - Z x sigma4 ) Z = 2.32 6 based on 99t

h % sigma 4 2 = 0.022 3 Minimu m Lon g Ter m Averag e mg/ L LT A = mi n (LTAc , LTAc ) Maximu m Dail y Limi tmg/ L MD L = LT A x exp( Z x sigm a- O.Ssigma 2 ) Z = 2.32 6 base do n 99th % sigma 2 = 0.086 2 Averag e Monthl y Limi tmg/ L AM L = LT A x exp( Z x sigma, , - 0.5sigman 2 ) Z = 1.645 based o n 95t

h % Sigma„ 2 = 0.0074 7 34.5 2

26.2 1

24.6 7 24.6 7

46. 8

28. 3
A n evaluation o f

th e dat a show s tha

tth e monthl y averag e effluen tlimits wil l b e me

ti n th e winte r an d wit h one exceptio n th e dail y maximu

m wil l b e met

. 70. 0

• Max Dail y Dail y Limi t

Apr - Dec - Feb - Apr - Dec - Feb - Apr - Dec - Feb 0 5 0 4 0 4 0 3 0 2 0 2 0 1 0 0 0 0jlackama s Count y Servic e Distric t

No
. 1 Kellog g Creek

Evaluatio n Repor

t y &m 2 1 o f

2 4
30. 0 25. 0 20. 0 15, 0 10. 0 5, 0 0, 0 * Monthl y Average ! —-Monthl y Limi t

Apr - Dec - Feb - Apr - Dec - Feb - Apr - Dec - Feb 0 5 0 4 0 4 0 3 0 2 02 0 1 0 0 0 0
Th e OA R340-04 1 Tabl e 2 0 ammoni alimit s ar e i n effect unti l th e EPA ha s approve dth e OA R340

- 04 1 Tabl e 3 3 ammoni acriteria
. Upo n EPA approva l o f th e revise dwater

qualit y criteri afo

r ammonia , th e final ammoni alimi t shal l b e 'n o limit. ' Unti l EP A approval o f th e revise dlimits , Schedul e C contain s aconditio n to procee dwit h correctiv e actio n tha

t wil l resul t

i n complianc e wit h th e summer

ammoni apermi t

limits
. Mixin g Zon e an dZon e o f

Immediate Dilutio n Th e allowabl e mixin g zon e i s tha t portio n o f

th e Willamette Rive r

tha t i s withi n 20 0 fee

t downstrea mo f th e point o f discharge
. Th e Zon e o f

Initia l Dilutio n (ZID ) shal l b e define da s tha t portio n o f the allowabl e mixin g zon e tha ti s withi n 2 0 fee

t o f th e poin t o f discharge
. Th e Departmen t

believe s that

th e beneficia

l use s o f th e receivin g strea

mwil l no t

b e affectedby th e discharg e an dthi s mixin g zon e an dtha t th e define dmixin g zon e meet s th e criteri ain th e rule
. Th e siz e o f th e zon e of

initia l dilutio n i s th e mor

e restrictiv e o f

th e options , suc h as , 5 time s th e loca l water dept h an d5 0 time s th e discharg e lengt h scal e i n an

y special directio n i n th e EPA Technica l Standard s Document

fo r sizin g th e zon e o f

initia l dilutio n i

n mixin g zones . Groundwater Schedul e D o f

th e propose dpermi t

state s tha t n o groundwate r

evaluation s wil l b e require dduring thi s permi t

cycle
. Th e permi t

als o include s aconditio n i n Schedul e A that prohibit s an

y advers e impac t on groundwate r

quality
. Schedul e B - Minimum Monitorin g an d Reportin g Requirement s In 1988 , th e Department

develope damonitorin g matri x fo r commonl y monitore dparameters . Propose dmonitorin g frequencie s fo r all parameter s ar

e base do n thi s matri x and , i n some cases , ma y hav e change dfro

mth e current

permit
. Th e propose dmonitorin g frequencie s fo r all parameter s correspon dto thos e o f facilitie s o f

simila r siz e an dcomplexit

y i n th e state .Clackama s Count y Servic e Distric t

No
. 1 Kellog g Cree

k Evaluatio n Repor

t Pag e 2 2 o f

2 4 Th e permitte e i s require dto hav e alaborator y Qualit y Assurance/Quality Contro l program . Th e Departmen t

recognize s that

som e test s do no t

accuratel y reflec t

th e performanc e o f

atreatmen t facilit y du e t o qualit

y assurance/qualit

y contro l problems
. Thes e test s shoul dno t b e considere d whe n evaluatin g th e complianc e o f th e facilit y wit h th e permi t

limitations
. Thus , th e Departmen t i s als o proposin g t o includ e i n th e openin g paragrap h o f Schedul e B astatemen t

recognizin g tha

t some tes t result s ma

y b e inaccurate , invalid , d o no t adequatel y represen t

th e facility' s performanc e an d shoul dno t b e use di n calculation s require dby th e permit
. Monitorin g for

E. coli mus t

b e performe di n accordanc e wit h on e o f th e method s approve db y th e Department
. Dail y monitorin g o f

effluent flo w i s require di n thi s permit
. I n addition , calibratio n o f th e flow mete r i s require do n aregular

basis
. Monitorin g for

Carbonaceou s Biochemica l Oxyge n Deman d(CBOD 5 ) ha s bee n substitute dfo r BOD 5 monitoring
. Wheneve r on e o r mor e permi t

limitation s are base do n CBOD5 , Departmen t polic y require s monitorin g for ammoni aconcentratio n i n th e sam e sample
. Ammoni aan dtota l residua l chlorin e samplin g i s als o require dt o verif y permi t limit s ar e met . Temperatur e monitorin g o f th e effluen

t i s required
. Monitorin g ma y b e waive dfo

r certai n month s afte r tw o ful l year s o f monitorin g ar

e completed , provide dth e followin g conditio n i s met : N o singl e daily effluen

t temperatur e i n tha

t mont h fo r the pas t tw o year s ha s exceede dth e applicabl e strea mtemperatur e criteria
. Monitorin g for

temperatur e i s onl y require ddurin g th e summe r periods
. Becaus e thi s facilit

y ha s apretreatmen t

program , th e propose dpermi t include s arequiremen t

t o conduc t quarterl y whol e effluent

toxicit y (WET ) or

bioassay test s usin g thre e species
. Bioassay test s are t o b e conducte di n accordanc e with EP A tes t method s an dprocedura l requirement s a s define di n Schedul e D
. Th e Departmen t

recognize s that

th e bioassay test s ar e quit e expensiv e t o conduct
. I f th e result s o f th e firs t year' s bioassay test s sho w tha t th e effluen

t sample s are no t

toxi c a t th e dilution s determine dto occu r

at th e Zon e o f

Immediat e Dilutio n an dth e Mixin g Zone , n o furthe r bioassay testin g wil l b e require ddurin g thi s permi t cycle
. Additiona l bioassay testin g i s require dprio r t o th e applicatio n for

renewal
. Priority pollutan t

test s are require dprio r

to th e renewal o f

th e permit
. Th e effluent

metal s samplin g under

Schedul e B can b e use dt o satisf y th e priority pollutan t

effluent metal analysi s provide dth e tim e frame s fo r th e samplin g requirement s ar e met . Metal sampl e result s wil l b e reporte dwith metho ddetectio n limits
. Ambien t rive r sample s are require dfo

r mercur y an d silver
.Clackama s Count y Servic e Distric t

No
. 1 Kellog g Cree

k Evaluatio n Repor

t Pag e 2 3 o f

2 4 -*t> w Volatil e solid s reductio n i n th e biosolid s i s th e proces s use dto demonstrat e complianc e wit h vecto r attractio n reductio n requirements
. Monitorin g o f volatil e solid s reductio n i s propose d i n th e renewa l permit
. Monitorin g o f

indicato r organism s (i.e
. Fecal colifor mper gra mtota l solid s (dr

y weigh t basis) ) wil l b e use dt o demonstrat e complianc e with pathoge n reductio n requirements
. Monitorin g th e duratio n andtemperatur e o f biosolid s digestio n i s propose di n th e renewal permit
. Discharg e monitorin g report s mus t b e submitte dto th e Departmen t monthl y by th e 15t

h da y o f th e followin g month
. Th e monitorin g report s nee dt o identif y th e principal operator s designate db y th e Permitte e t o supervis e th e treatmen t an dcollectio n systems . Th e report s mus t als o includ e record s concernin g applicatio n o f

biosolid s andall applicabl e equipmen t breakdown s an dbypassing
. Schedul e B o f

th e permi t

include s the requiremen t fo r th e submittal of

annual reports . Th e condition s ar e standardlanguag e requirement s concerning : Annua l report

o n inflo w an dinfiltratio n remova l Annua l report

o n lan dapplicatio n o f

biosolid s

Schedul e C - Complianc e Condition s Th e propose dpermi t

include s thre e complianc e condition s with acomplianc e deadline
. Th e requiremen t

includes : Th e permitte e i s require dt o identif y any pump station s or

othe r point s tha

t ma y overflo w n o late r tha n 9 0 day s afte

r th e permi t

i s issued
. Th e overflo w point s tha t ar e identifie dwil l b e include da s emergenc y overflow s o n pag e on e o f th e permi t

durin g th e nex t

permi t renewal
. Th e permitte e i s require dt o submi t aplan wit

h tim e line s fo

r evaluatin g complianc e andif necessar y makin g modification s t o achiev e summer ammoni alimits
. A conditio n t o documen t

tha t Schedul e B monitorin g fo r cyanid e andpheno l ma

y b e change dupo n writte n notic e fromth e Department
. Th e final conditio n require s th e permitte e to mee t th e complianc e date s establishe din thi s schedul e o r notif y th e Departmen t

withi n 1 4 day s followin g any lapse dcomplianc e date
. Schedul e D - Specia l Condition s Th e propose dpermi t

include s 8 specia

l conditions
. Th e requirement s include :Clackama s Count y Servic e Distric t

No
. 1 Kellog g Creek

Evaluatio n Repor

t Pag e 24 o f

24 Condition s requirin g th e permitte e to manag e th e lan dapplicatio n o f biosolid s in accordanc e wit h th e approve dbiosolid s managemen t plan , lan dapplicatio n pla n an dsit e authorizatio n letters
. A conditio n specifyin g th e necessary procedure s for conductin g whol e effluent toxicity testing
. A conditio n requirin g apriorit y pollutan t

sca n wit h th e applicatio n fo

r permi t renewal
. Conditio n requirin g th e permitte e t o hav e th e facilitie s supervise dby personne l certifie dby th e Departmen t

i n th e operatio n o f

treatmen t and/o r collectio n systems . A conditio n requirin g th e developmen t an dimplementatio n o f

acontingenc y plan fo

r th e preventio n an dhandlin g o f spill s an dunplanne ddischarges
. A conditio n requirin g th e permite e t o notif y th e Departmen t

o f amalfunction , whic h woul d requir e th e reportin g unde r th e Genera l Condition s o f th e permit
. A conditio n tha t

prohibit s an y advers e impac t o n groundwate r

quality
. Schedul e E - Pretreatmen tProgram Th e propose dpermi t

include s aSchedul e E conditio n tha t require s implementatio n o f th e industria l pretreatmen t

program . Genera l Condition s (Schedul e F ) Th e General Condition s applicabl e t o al l holder s o f th e NPDE S permit s ar e listed
. Thes e ar e divide dint o th e followin g sections : Standar dConditions ; Operatio n an dMaintenanc e o f Pollutio n Controls ; Monitorin g an dRecords ; Reportin g Requirements an dDefinitions
. Th e General Condition s hav e bee n revised
. Th e mos t curren t revisio n i s include di n th e permit
.