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MS4 DISCHARGES WITHIN THE ORDER R4-202X-XXXX LOS ANGELES REGION NPDES NO. CAS004004
ATTACHMENT C – LOS ANGELES REGION STORM DRAIN SYSTEM AND VENTURA COUNTY MONITORING LOCATION MAPS C-1
C. ATTACHMENT C – LOS ANGELES REGION STORM DRAIN SYSTEM AND VENTURA COUNTY
MONITORING LOCATION MAPS
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KERN COUNTY
LOS ANGELES CO UNTYKERN COUNTY
VENTURA COUNTY
LOS ANGELES CO UNTY
O RAN GECOUN
TY
LOS ANGELES COUNTY
S ANBE RN AR DINO
CO UNTY
LOS ANGELES CO UNTY
VENTURA COUNTY
SANT
A BA
RBAR
A COU
NTY
VENT
URA C
OUNT
Y
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£¤101
£¤101
£¤101
§̈¦105
§̈¦210
§̈¦5
§̈¦605
§̈¦710§̈¦110
§̈¦5
§̈¦5
§̈¦405§̈¦10
§̈¦405
§̈¦210
§̈¦5
Calleguas
Creek
Bal lo
naCree
k
Ma libu Creek
D om
i n guez Channel
Vent
ura
Rive
r
San
Gabr
iel R
i ve
r
L o s A n g e l e s R i v er
S a n ta C l ar a R ive rLake Casitas
Se pulveda FloodControl Basin
WhittierNarrows FloodControl Basin
Sa nta Fe FloodControl Basin
Lake Piru
Py ramid Lake
Castaic Lake
L A / L BH a r b o r
S a n t aM o n i c a
B a y
Figure C-1: Storm Drain System of Major Watershed Management Areas in the Los Angeles Region.
Santa Clara RiverWatershed
Ventura RiverWatershed
Calleguas CreekWatershed
Los Angeles RiverWatershed
San Gabriel RiverWatershed
Dominguez Channel
Watershed
Los Cerritos Channel
Wa tershed
MiddleSanta Ana River
Watershed
C-2
P a c i f i cO c e a n
Santa Manica BayWatershed
Misc. Ventura County Coastal
Watersheds
LegendCounty BoundaryRegion BoundaryLakesRivers and StreamsStorm DrainsOpen ChannelsFreeways
Ë0 5 102.5
miles
á
ááááá
!(2
!(3
!(4
!(1
!(5
Mati lijaCre ekRe ac h 2
V en t
u ra
Rive
r
Wi llow CkC o
pper
Cyn
Ventu r aRive r
North Fork
Matil ija Ck
San
Antonio Ck
East ForkCoyo te Ck
We st ForkCoy ote Ck
Ayers Ck
Coyot e Ck
West ForkSanta Ana Ck
Murietta Cyn
Cañada
Larga
Lion Ck
Santa
AnaC
k
Reev
esC k
Popli
n Ck
SAN
TA B
AR
BAR
A C
OU
NTY
SAN
TA B
AR
BAR
A C
OU
NTY
VEN
TU
RA
CO
UN
TYVE
NT
UR
A C
OU
NTY
·|}126
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·|}118
·|}126
£¤101
£¤101
£¤101
Ojai
Ventura
Santa Paula
Oxnard Camarillo
VenturaUnincorporated
Ventura RiverEstuary
Lake Casitas
Matili jaRes
Ojai W etlandMirrorLake
Figure C-2: Ventura River Watershed Management Area Storm Drain System. C-3
P a c i f i cO c e a n
VENTUR A R IVER
1. Between M ain St. and Ventura River Estuary2. Between confluence wi th Weldon Canyon and Main St.3. Between Casitas Vista Rd. and confluence with W eldon Canyon4. Between Camino C ielo Rd. and Casi tas Vista R d.5. Above Camino Cielo Rd.
Matil ija Ck
Reach 1
Ë 0 21Miles
LegendWatershed BoundaryCounty BoundaryRegional BoundaryLakesFreeways
Streams
áReach BreakStorm DrainsOpen Channels
V E N T U R A C O U N T Y
V E N T U R A C O U N T Y
L O S A N G E L E S C O U N T Y
L O S A N G E L E S C O U N T Y
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£¤101
£¤101
£¤101
£¤101
Moorpark
Ojai
Fillmore
Ventura
SantaPaula
OxnardThousand Oaks
Camarillo
VenturaUnincorporated
LA Unincorporated
Malibu
WestlakeVillage
La J olla
Cy n
Hall C
yn
Santa ClaraRiver
Mad rani
oCyn
Arundel l
Barranca
Ven t
u ra
Rive
r
East Fork
Hall Cyn
Little
Syca
mor
e Cyn
Padr
e Juan Cy
n
L os
S auce
sCk
Deer
C yn
Wood
C yn
Serrano CynCal le
guasCk
Poverty
Cyn
Prince Barran ca
Ja vonC
yn
Big SycamoreCyn
Sanj o
nBa
rranc
a
EdisonCnl
Huen eme
Drai n
Sexto
nCyn
JStre
etDr
ain
L ake
Cyn
Oxna
rdInd
ustr i
alDr
ain
Barlo
w Cyn
Ple a
s ant V
alley
Road
Drain
(R ice
Drain
)
Rincon Ck
McGrath L ake
Ormo nd BeachWetlands
Figure C-3: Miscellaneous Ventura County Coastal Watersheds Management Area Storm Drain System.
P a c i f i cO c e a n
C-4
Ë 0 21Miles
LegendWatershed BoundaryCounty BoundaryRegional BoundaryFreeways
LakesStreamsStorm DrainsOpen Channels
áá
á á á á á á
á
á á !(6
!(3
!(1
!(7
!(10
!(5
!(2
!(4A!(9
!(11
!(4B
!(8
K E R N C O U N T YK E R N C O U N T Y
V E N T U R A C O U N T YV E N T U R A C O U N T Y
K E R N C O U N T YK E R N C O U N T Y
L O S A N G E L E S C O U N T YL O S A N G E L E S C O U N T Y
SAN
TA B
AR
BAR
A C
OU
NTY
SAN
TA B
AR
BAR
A C
OU
NTY
VEN
TU
RA
CO
UN
TYVE
NT
UR
A C
OU
NTY
·|}134
·|}170
·|}2
·|}126
·|}118
·|}1
·|}14
·|}33
·|}60
·|}110
·|}14
·|}33
£¤101
£¤101
£¤101
§̈¦5
§̈¦10
§̈¦605
§̈¦5
§̈¦10
§̈¦405
§̈¦210
§̈¦5
Simi ValleyMoorpark
Ojai
PortHueneme
Fillmore
Ventura
SantaPaula
Thousand OaksCamarillo
VenturaUnincorporated
Oxnard
LA Unincorporated
Carson
Whittier
ElMonte
LaMiradaBellflower
NorwalkHawthorne
SantaFe Springs
Inglewood
Vernon PicoRivera
MontebelloSantaMonicaMalibu
Monterey Park
West Hollywood AlhambraBeverly Hills
San MarinoCalabasasWestlakeVillage
ArcadiaMonrovia
Duarte
BurbankLa CanadaFlintridge
Glendale
San Fernando
Lancaster
CulverCity
San Gabriel
Hidden Hills Pasadena
Industry
Agoura Hills
Santa Clarita
Compton
SouthGate Downey
Huntington Park
Los Angeles
Palmdale
Santa Clara
River
Sa nta Cla raRiver Estuary
M intCa
n yon Ck
BouquetCynTrout
C k
Rose
Vall eyCk
GormanCk
Lockwood
Ck
Brown
BarrancaTodd
Barranca
Agua
Dul ce
Cany
onCk
B ear
Cyn
SantaPaula CkSi
s ar
Ck
CastaicCk
Howa
r dC k
Whe
eler
Cyn
Potre
r oJo
hnCk
Piedra
Bl anca Ck
TorryCyn Ck
Canada deLos Alamos
TuleCk
Hopp
erCk
AlisoCanyon Ck
LionCyn
TapoCyn
S anFra
nci squito
Cyn
D ry
Cany
onCk
Timb er
Ck
LongCyn
Elizabeth
Lake Cyn
South
Fork
SCR
Sespe Ck
Piru Ck
S anta Cl ara
Ri ver
Lake Piru
Pyramid Lake
Castaic Lake
Lake Hug hesLake
Elizab eth
Bouq uetReservoir
Elderb erryForeb ay
DrinkwaterReservoir
Munz L ake
Dry C anyonReservoir
CastaicLagoo n
Figure C-4: Santa Clara River Watershed Management Area Storm Drain System.
P a c i f i cO c e a n
C-5
SANTA CLARA RIVER
1. Between Highway 101 Br idge and Santa Clara River Estuary2. Between Freeman Diversion Dam near Saticoy and Highway 101 Bridge3. Between A Street, Fillmore and F reeman Diversion D am near Saticoy4A. Between confluence of P iru C reek and A Street, Fillmore4B. Between Blue Cut gauging station and confluence of P iru C reek5. Betw een West P ier Highw ay 99 and Blue Cut gauging sta tion6. Betw een Bouquet Canyon Road Br idge and West P ier Highway 997. Betw een Lang gauging sta tion and Bouquet Canyon Road Bridge8. Above Lang gauging sta tion9. SANTA PAULA CREEK above Santa Paula W ater Works Divesion Dam10. SESPE CREEK above gauging sta tion, 500 ' downstream from L ittle Sespe C reek11. PIR U CREEK above gauging station below Santa Fel icia D am0 5 102.5
MilesË
LegendWatershed BoundaryCounty BoundaryRegional BoundaryLakesFreeways
Streams
áReach BreakStorm DrainsOpen Channels
á
á
á
á á
á
á
áá
!(8
!(2
!(10
!(13
!(1
!(3
!(5 !(11
!(12!(9B
!(6
!(7
!(9A
!(4 V E N T U R A C O U N T YV E N T U R A C O U N T Y
L O S A N G E L E S C O U N T YL O S A N G E L E S C O U N T Y
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£¤101
£¤101
Simi ValleyMoorpark
PortHueneme
Ventura
SantaPaula
Oxnard
Thousand Oaks
Camarillo
VenturaUnincorporated
LA Unincorporated
Malibu
CalabasasWestlakeVillage
Hidden HillsAgoura Hills
Los Angeles
Mugu
Dra inOxna
rdDu
ck P
onds
Oxna
rdDr
ain N
o. 2
North ForkArroyo Conej o
OxnardDrain No. 3
OxnardAgric ultural Drain
A rro yoSanta Rosa
Tapo
Cyn
Ck
Cone
joCk
Revolon Slough
A rroyo Simi
A rroyo Cone joCalle
guas C k
ArroyoLas Posa s
Gillibrand
Cyn C k
Beardsley
Wash
Calleg uas CreekEstuary
Lake Bard(Wo od Ranch
Reservoir )
Mugu L ag oon
Figure C-5: Calleguas Creek Watershed Management Area Storm Drain System. C-6
P a c i f i cO c e a n
CALLEGUAS CR EEK
1. Mugu Lagoon to C alleguas Creek Estuary2. Between Potrero Rd. and C alleguas Creek Estuary3. Between Som is Rd. and Potrero Rd.4. REVOLON SLOUGH between Central Ave. and confluence of Calleguas Creek5. BEARDSLEY WASH above C entral Ave.6. ARROYO LAS POSAS between H itch Rd. and confluence of Cal leguas Creek7. ARROYO SIM I above H itch Rd.8. TAPO CAN YON above confluence of Arroyo Simi9A CONEJO CR EEK betw een confluence of Arroyo Santa R osa and Camrosa Diversion9B. CONEJO CREEK between Camrosa D iversion confluence of Calleguas Creek10. ARR OYO CONEJO between confluence of Nor th Fork Arroyo Conejo and confluence of Arroyo Santa Rosa11. ARROYO SANTA ROSA above confluence of Conejo Creek12. NORTH FORK ARROYO CONEJO above confluence of Arroyo Conejo13. ARR OYO CONEJO above confluence of North Fork Arroyo ConejoË 0 21
Miles
LegendWatershed BoundaryCounty BoundaryLakesFreeways
Streams
áReach BreakStorm DrainsOpen Channels
ááá
áá
VEN
TU
RA
VEN
TU
RA
CO
UN
TYC
OU
NTY
LOS
AN
GE
LES
LOS
AN
GE
LES
CO
UN
TYC
OU
NTY
·|}1
·|}1
·|}2
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·|}134
·|}110
·|}1£¤101
£¤101
£¤101
§̈¦110
§̈¦110
§̈¦405
§̈¦10
§̈¦105
§̈¦405§̈¦210
§̈¦710
§̈¦405
§̈¦5
Mal ibu Ck
Linde ro
Cyn
TunaCynCorral Cyn
Ballon
a Ck
S anta
Y nez C yn
Zu maC yn
Mandevil leCyn
Las V
irgen
es C
k
TriunfoCyn
TopangaCyn
Cold Ck
Tranca s Cyn
CarbonCynEn
cina l
Cyn
Solst i ceCy n
Stokes Cyn
Arro
yoSe
quit
L as Flo resCy n
E scondido Cyn
Ramirez Cyn
P aloComad o
Cyn
Rusti
cCy
n
Sull iva nC yn
Lach
usa
Cyn PenaCyn
Sim i Valley
Thousand Oaks
Camarillo
VenturaUnincorporated
LA Unincorporated
RollingHillsRancho
PalosVerdes
Palos VerdesEs tates
Signal Hill
LongBeachCarson
Redondo Beach
Law ndaleBellflow er
El Segundo Hawthorne
Inglew ood
MaywoodVernon Commerce
MontebelloSantaMonica
Malibu
MontereyPark
WestHollywood
AlhambraBeverly
Hills
SouthPasadena
San M arino
Hermosa Beach
ManhattanBeach
Calabasas
BurbankLa CanadaFlintridge
Glendale
CulverCity
HiddenHills
PasadenaAgoura
Hills
Torrance
RollingHills
Es tatesLomita
Gardena ParamountCompton
Lynw ood
South Gate
Downey
BellGardens
HuntingtonPark Bell
Los Angeles
Lake
Lind
ero
Westlake LakeLake SherwoodLas Virgenes
(Westlake)Reservoir
Hol lywood
Reservoir
StoneCanyon
Reservoir
Malibou La ke
MalibuLagoon
Ballona
Lagoon/Venice
CanalsBallonaWe tlands
Figure C-6: Santa Monica Bay Watershed Management Area Storm Drain System.
S a n t a M o n i c aB a y
PointDum e
Las TunasBeachLatigo
Point
Mar inaDel Rey
ZumaBeach
KingHarbor
Santa M onicaBeach
Nicholas CanyonBeach
PointFerm in
VeniceBeach
ManhattanBeach
RedondoBeach
Royal Palm sBeach
LA/LBHarbors
P a c i f i cO c e a n
C-7
LegendWatershed BoundaryCounty BoundaryLakesFreeways
StreamsStorm DrainsOpen Channels
0 2 41MilesË
MedeaCk
Centinela Ck
SepulvedaChannel
áá
á
V E N T U R A C O U N T Y
V E N T U R A C O U N T Y
L O S A N G E L E S C O U N T Y
L O S A N G E L E S C O U N T Y
·|}1
·|}1
£¤101
Simi Valley
Thousand Oaks
Camarillo
VenturaUnincorporated
LA Unincorporated
Malibu
CalabasasWestlakeVillage
Hidden Hills
Agoura Hills
Los Angeles
PuercoCanyon
Corra
lCa
nyon
San
Nicho
la sCa
nyon
ZumaCanyon
Trancas
Canyon
Encin
alCa
nyon Ca
rbon
Cany
on
Solstice
Canyon
Arroyo
Sequ
it
LasFloresCanyon
Esco
ndido
Cany
on
Ramirez
Canyon
MarieCanyon
Lach
usa
Cany
on
Latigo
Canyon
Piedra
Gorda
Canyon
Swee
twat
erCa
nyon
Cree
k
Los
Aliso
sCa
nyon
LasVirgenes
Ck
StokesCk
Potre roVall eyCk
MalibuCk
HiddenVall eyCk
Col dCk
EastLas
Virgenes
Cyn
Lake
Elean
orCkLobo
CynPa lo
ComadoCk
TroughCyn
Gates
Cyn
Lin dero CreekReach1
Triunfo Creek
Reach 2
Triunfo
Creek
Re a ch 1
Medea
Creek Reach 2
Lindero Cree k Reach2
Medea CreekReach1
Lake LinderoWestlake LakeLake Sherwoo d
Las Virg enes(Westlake)Reservoir
Malib ou Lake
Malib u Lagoo n
Figure C-6a: Malibu Creek Subwatershed Storm Drain System (Santa Monica Bay WMA).PointDum e
ZumaBeach
Nicholas CanyonBeach
P a c i f i cO c e a n
C-8
EscondidoBeach
PuercoBeach
LegendSubwatershed BoundaryCounty BoundaryLakesFreeways
Streams
áReach BreakStorm DrainsOpen Channels
Ë 0 21Miles
Figure C-6b: Marina del Rey Subwatershed Storm Drain System(Santa Monica Bay WMA).
P a c i f i cO c e a n
·|}1
VeniceBeach
S a n t aM o n i c a
B a y
Basin E
Marin
a Del
Rey
VeniceCanals
breakwater
Basin D
Basin C
Basin B
Basin A
Basin F
Basin G
Basin H
DockweilerBeach
State Park
DockweilerBeach
State Park
Ballona Lagoon
Del Rey Lagoon
BallonaWetlands
Entrance Channel
BACKBASINS
Culver City
Los Angeles
LAUnincorporated
C-9
LegendSubwatershed BoundaryLakesStorm DrainsOpen ChannelsHighways
Ë 0 1,000 2,000500Ft
Ballona Creek Estuary
á
á
El Segundo Hawthorne
Inglewood
Vernon
Santa Monica
West Hollywood
Beverly Hills
CulverCity
HuntingtonPark
Los Angeles
·|}110
·|}1
·|}1
·|}134
·|}1
£¤101
£¤101
£¤101
£¤101
§̈¦5
§̈¦110
§̈¦405
§̈¦10§̈¦405
§̈¦105§̈¦105
§̈¦110
§̈¦10
§̈¦405
Ashland Avenue Drain
!(1
!(2
SepulvedaChannel
CentinelaCreek
Topa
nga
Cany
on
San ta Y n ezCa n yo nPied ra Gorda
Canyon
Mandeville
Canyon
PenaCanyon
Tuna
Can yon
Santa
Mon
icaCa
nyon
Rusti cCa ny on
SullivanCanyon
B al l o
naCr
eek
BALLONA CREEK
1. Betw een Cochran Ave. and National B lvd.2. Betw een National B lvd. and Centinela Ave.
Figure C-6c: Ballona Creek Subwatershed Storm Drain System (Santa Monica Bay WMA).
S a n t a M o n i c aB a y
P a c i f i cO c e a n
C-10
Ballona C reek
EstuaryLegend
Subwatershed BoundaryCounty BoundaryLakesFreeways
Streams
áReach BreakStorm DrainsOpen Channels
0 21MilesË
Figure C-7: Dominguez Channel and Los Angeles/Long Beach HarborsWatershed Management Area Storm Drain System.
P a c i f i cO c e a n
áVermont Ave.·|}91
·|}1
·|}91
·|}1
§̈¦110
§̈¦110
§̈¦105
§̈¦5
§̈¦105
§̈¦710§̈¦105
San Pedro
CanyonA verillCanyon
Wi lm ingt on
Drai n
Agua
Mag
naCa
nyon
Geor
geF
Cany
on
Bent Spring
Canyon
Miraleste
Canyon
LA Unincorporated
RollingHills
RanchoPalos
Verdes
PalosVerdesEstates
Signal Hill
Lakewood
Long Beach
Carson
Redondo Beach
LawndaleBellflower
El SegundoHawthorne
Inglewood
MaywoodVernonCommerce
HermosaBeach
ManhattanBeach
Culver City
Torrance
RollingHills Estates
Lomita
GardenaParamount
Compton
Lynwood
South Gate
Cudahy
Downey
Bell Gardens
HuntingtonPark Bell
Los Angeles
LosAngeles River*
Del Amo
ChannelTorrance
Lateral
DominguezChannel
Dom ing
uez
Chan
nel E
stuary
Madrona Marsh
Machado Lake
Los AngelesHarbor
Long BeachHarbor
P a c i f i cO c e a n
C-11
0 21MilesË
LegendWatershedBoundaryLakes
Streams
áReach Break atVermont Avenue
Storm Drains
Open ChannelsFreeways
ConsolidatedSlip
Figure C-7a: Machado Lake Subwatershed Storm Drain System(Dominguez Channel & LA/LB Harbors WMA).
·|}1
§̈¦110
§̈¦110
LAUnincorporated
Rolling Hills
Rancho PalosVerdes
PalosVerdesEstates
Carson
Redondo Beach
Torrance
Rolling HillsEstates
Lomita
Los Angeles
AverillCanyon
Wilmi ngto nDrain
San PedroCanyon
AguaM agna
Canyo
n
Georg
e FCa
nyon
Sepu
lved a
C any
onBe
ntS
pring
Canyo
n
Miraleste
Canyon
Madrona Marsh
Machado Lake
Los AngelesHarborP a c i f i c
O c e a n
C-12
Paci
fic
Oce
an
0 10.5MilesË
LegendNew_Machado_Sub
Lakes
Freeways
Streams
Storm Drains
Open Channels
áá
áá
á
ááá
ááá !
! !!(5
!(4
!(6
!(3
!(1
!(2
VE N T U R A C OU N
T Y
VE N T U R A C OU N
T Y
L O S A N GE L E S C O
U NT Y
L O S A N GE L E S C O
U NT Y
LLOO
SSAA
NNGG
EELL EE
SSCC OO UU NN TT YY
ORA N
G E C
OU N
T Y
O RA N
G E C
OU N
T Y
O R A N G E C O U N T Y
O R A N G E C O U N T Y
Glendale WRP
TillmanWRP Burbank
WRP
·|}60
·|}1
·|}2
·|}91
·|}170
·|}22
·|}1
·|}126
·|}14
·|}1
£¤101
£¤101
§̈¦605
§̈¦110
§̈¦110
§̈¦405
§̈¦105
§̈¦605
§̈¦405
§̈¦5
§̈¦10
§̈¦5
§̈¦10
§̈¦405
§̈¦5
Se pulveda FloodControlBasin
Los Angele sReservoir
Lowe r VanNorman
Reservoir
El ysianReservoir
Lincol nPa rk La ke
WhittierNarrows FloodControl Basin
Hansen FloodControl Basin &
Lake s
EncinoReservoir
Ea gleRoc k Res ervoir
Ec hoPa rk La ke
Big TujungaReservoir
Pa coimaReservoir
Sim i Valley
VenturaUnincorporated
LA Unincorporated
RanchoPalos Verdes
Palos VerdesEs tates
Signal Hill
Hawaiian GardensLakew ood
Artesia
LongBeach
Carson
Cerritos
Whittier
La PuenteSouth ElMonte
La Mirada
La HabraHeights
RedondoBeach
Law ndaleBellflow er
ElSegundo
Norwalk
Hawthorne
Santa FeSprings
Inglew ood
VernonCommerce
PicoRivera
MontebelloSanta Monica
Malibu
MontereyPark
WestHollywood Alhambra
BeverlyHills
SouthPasadena
SanMarino Irwindale
HermosaBeach
Manhattan Beach
Azusa
Arcadia
Monrov ia
Duarte
Burbank
La CanadaFlintridge
Glendale
Culver City
San Gabriel
HiddenHills
Pasadena
Indus try
AgouraHills
BaldwinPark
Santa Clarita
Torrance
Rolling HillsEs tates
Lomita
Gardena Paramount
Lynw ood
SouthGate
Cudahy
Downey
Huntington Park Bell
Los Angeles
SnoverCyn
La TunaCyn CkWil
sonCy
n Ck
Shiel
ds C
yn
Kagel
Cyn C
k
Vasquez Ck
Eaton Wash
(above dam)
SawpitCyn CkSanta Anita
Wash (upper)
S tetsonCynCk
Little T
ujung
aCy
n Ck
S ie rra
MadreWash
East Fork SantaAnita Cyn
Clear Ck
Eaton Cyn Ck
HainesCynCk
Big TujungaCyn CkBrowns
Cyn Ck
Cabal
lero C
k Monro
via C
yn Ck
May C
yn Ck
Dayton Cyn Ck
Rubio Cyn
BrownsCyn Wash
Rio HondoReach 3
Little Santa
Anita Cyn CkArr
oyoCal
abasas
SantaAnitaCynCk
Verd
ugo W
ash
Reac
h 2
Bell C k
LAR Reach 6
Aliso
Cyn
Was
h
Arroyo SecoReach 2
MillCk
Arroyo SecoReach 3
Verdugo WashReach 1
Upper Big
TujungaCk
Picke
ns Cy
n
LAR Reach 4
Pacoima
CynCk
Tujung
aWash
Dry CynCk
McCo
yCyn
Ck
Halls C
ynCha
nnel
Limeki
lnCy
nWas
h
Duns
more
Cyn C
k
La TunaCynLateral
Santa An ita
Wash (lower)
LAR
Reac
h 1
MillardCyn Ck
Rio Ho
ndoRe
ach 2
Lopez
CynCk
A lis oC yn
Ck
RubioWash
Compton Ck
Arcadia Wash
Burbank Western
Channel
SawpitWash
Alhambra Wash
LARReach3
LAR Estuar y
Pacoim
aWa
sh
RioHondo
Reach1
B ul l C
k
EatonWash
(be low dam)
Arro
yoSeco
Reach 1
Doming
uez
ChannelEstu
ary
LAR Reach2
Figure C-8: Los Angeles River Watershed Management Area Storm Drain System.
S a n P e d r o B a y
S a n t a M o n i c a B a y
Region 8
Region 6
C-13
LOS ANGELES RIVER1. Between Carson St. and Los Angeles River Estuary2. Between Figueroa St. and Carson St.3. Between Riverside Drive and Figueroa St.4. Between Sepulveda Dam and Riverside Drive5. Between Balboa Blvd. and Sepulveda Dam6. Above Balboa Blvd.
LegendWatershed Boundary
County BoundaryRegional Boundary
LakesFreeways
Streams
á Reach BreakStorm Drains
Open Channels
! POTW
0 2 41MilesË
á
á
áá
á
á
Fullerton C k
La MiradaCk
Carbon Ck
BreaCk SS
AANN
BBEE
RR NN AA RR DD II NN OOCC OO UU NN TT YY
RR II VV EE RR SS II DDEE
CCOO
UUNN
TTYYS A N B E R N A R D I N O C O U N T Y
S A N B E R N A R D I N O C O U N T Y
O R A N G E C O U N T Y
O R A N G E C O U N T Y
L O S A N G E L E S C O U N T YL O S A N G E L E S C O U N T Y
O R A N G E C O U N T YO R A N G E C O U N T Y
RR IIVV EE RR SS IIDD EECC OO UU NNTT YY
OO RR AA NNGG EECC OO UUNN TT YY
·|}55
·|}1
·|}210
·|}2
·|}91
·|}110
·|}91
·|}60
·|}22
·|}57
·|}91
·|}71·|}60
RanchoCucamongaUpland
Montcla ir
Ontario
ChinoDiamond Bar
Chino Hills
Norco
BreaLa Habra
FullertonYorba Linda
CoronaPlacentia
Buena P ark Anaheim
OrangeCypress
VillaPark
Stanton
Garden Grove
Santa AnaSea l Beach
Tustin
Irvine
Hunting tonBeach
FountainValley
§̈¦605
§̈¦5
§̈¦5
§̈¦15
§̈¦10
§̈¦105
§̈¦15
§̈¦405
§̈¦5
§̈¦10
§̈¦210
§̈¦405
!(5
!(2
!(4
!(3
!(1
LA Unincorporated
Signal Hill
HawaiianGardens
LakewoodArtesia
Long Beach
Carson
Cerritos
Whittier
Diamond Bar
La Puente Walnut
South ElMonte
Covina
West CovinaEl Monte Pomona
La Mirada
La HabraHeights
Bellflower
Norwalk
Santa FeSprings
MaywoodVernon Commerce
PicoRivera
Montebello
Monterey Park
RosemeadAlhambra
Temple CitySouth
Pasadena
SanMar ino
Irwindale
Bradbury
LaVerne
Azusa
SierraMadre
ArcadiaGlendora
MonroviaDuarte
La CanadaFlin tridge
Glendale
SanGabrie l
Claremont
SanDimas
Pasadena
Industry
BaldwinPark
ParamountCompton
Lynwood
South GateCudahy
Downey
Bell GardensHuntington
ParkBell
Los Angeles
Fish
Cyn C
k
San
Dim
asW
ash
(upp
e r)
Col dbrook Ck
Wes t Fork San
Dimas Cyn
San Dimas Cyn C
k
Big Da lton
Cyn Ck
Col dwate
r Cyn Ck
North
Fork
SGR
Bell C
yn C
k
Allison G
ulch
Mar
shal
l Ck
and
Was
h
Ro b er ts
Cy nCk
Brad bu
ryCy
n
Live O
ak Ck
and WashLit
tl e D
alton
Cyn
Ck
Co w Cyn C k
Fis hFork
W estFor k SGR
East
Fork
SGR
Rio HondoReach 2
Dev ils Cy n Ck
Thomps on Ck
Pudd
i ngs
ton e
Was
h
B ear Ck
Wol f sk il lCy n
SGR
Rea
ch 3
S GRR ea
c h 5
Soldie r Ck
Big Da lton Wa sh
Ceda
r Ck
Nort
h Fo
rkCo
yote
Ck
T hom
p so n
Was
h
Myst
ic Cy
n
Bic ho ta Cyn
SGR R
each 1
Sa nAn tonioC yn
Ck
Arte
sia-
Norw
alk
Drai
n
Wa lnutCk Wa sh
LAR
Rea
ch 1
Sa n Jose C
k Reach 1
San Jose
Ck Rea ch 2
Rio
Hon do
R each
3
Catt leCyn
Ck
Littl e
Dalt
on Was
h
Coyote Ck
SGREstu
a ry
Puen te Ck
SGR R
each
2
Sa n Dim as Wash (lowe r)
LAR
Estuar y
SGR R each 4
R io Hondo
Reach 1
L AR
R eac
h2
Whi tt ier N arrow sFlood Control Ba si n
Sa nta Fe FloodCont rol Bas in
Cogs we llRes ervoir Sa n Ga bri el
Res ervoir
Morri sRes ervoir
Big Da ltonDam &
Res ervoir
Thomps on Cree kDam & Re se rv oir
Puddings toneDam a ndRes ervoir
Le gg La ke
Sa n Dima sDam a ndRes ervoir
Sa n Antonio Da mAnd R es ervoir
Pe c k R oa dPa rk L ak e
Figure C-9: San Gabriel River Watershed Management Area Storm Drain System.
P a c i f i cO c e a n
Region 8
C-14
Region 6
SAN GABRIEL RIVER1. Between Firestone Blvd. and San Gabriel River Estuary2. Between Whittier Narrows Dam and Firestone Blvd.3. Between Ramona Blvd. and Whittier Narrows Dam4. Between Santa Fe Dam and Ramona Blvd.5. Above Santa Fe Dam
Ë 0 2 41Miles
LegendWatershed BoundaryCounty BoundaryRegional Boundary
LakesFreeways
Streams
áReach BreakStorm Drains
Open Channels
Figure C-10: Los Cerritos Channel and Alamitos Bay WatershedManagement Area Storm Drain System.
P a c i f i cO c e a n
á
Alamitos Bay
LLOO
SSAA
NNGG
EELL
EESS
CCOO
UUNN
TTYY
OORR
AANN
GGEE
CCOO
UUNN
TTYY
·|}22
·|}1
·|}91
·|}91
·|}1
·|}91
·|}1
§̈¦5
§̈¦605
§̈¦710§̈¦105§̈¦5
§̈¦605
Santa FeSprings
DowneySouth Gate
SouthWhittierLynwood
NorwalkLa
Mirada
Compton
Paramount
Bellflower
BuenaPark
Cerritos
Long Beach
Artesia
Lakewood
La Palma
Cypress
HawaiianGardens
Los Alamitos
Signal Hill
Garden Grove
Rossmoor
Seal Beach
Westminster
HuntingtonBeach
Los C
e rri t
o sC h
anne
lEs tu
a ry
LA Unincorporated
Carson
Lo sCe r ritosLine E
Los Cerrito sChan nel
Hea ther Chan nel
S an
Gabr
ie lR i
ver
LosA
n gele
s Rive
r
SimsPond
ColoradoLagoon
Los C erritosWetlands
S a n P e d r o B a y
C-15
LegendWatershedBoundaryCounty BoundaryRegionalBoundaryLakesFreeways
Streams
áReach Break atAnaheim Road
Storm Drains
Open Channels
0 10.5MilesË
á
áá
á
á
á
á
áá
á áá
á
á
á
á
á á
á
á
áá
á
"
"
"
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
Simi ValleyMoorpark
Ojai
PortHueneme
Fillmore
Ventura
Santa Paula
OxnardThousand Oaks
Camarillo
Malibu
CalabasasWestlakeVillage
HiddenHillsAgoura Hills
·|}33
·|}118
·|}33
·|}118
·|}126
£¤101
£¤101
Lake Casitas
Cha tsworthReservoir
Lake Linde ro
We stlak eLake
Lake SherwoodLas Virgenes
(Westlake)Reservoir Malibou La ke
Malibu Lagoon
CalleguasCreek Es tuary
Lake Bard(Wood Ranch
Reservoir)
Lake Piru
McGrath La ke
Sa nta Cla raRiver Estuary
OrmondBeach
We tlands
Calabasas Lake
Mugu Lagoon
Ventura Riv erEs tuary
Arroyo Santa Rosa
TapoC anyon
SantaPaula
Creek
Santa Clara River
Tapo
Cany
onCr
e ek
LasVirgenesCre ek
Hopp
erCa
nyo n
Cree
k
BellC
reek
Ox na rdDrain
No. 2
S tokesCanyon
Conej o Cree k
Vent
ura R
iver
C oyote
Cree
k
Malibu Cr eek
Tr ancasCanyon
WillowC re ek S espe Cr
eek
Piru Creek
HiddenValley Creek
Big Sycamore Canyon
S isar Creek
Arroy
o Sequ i t
Pue rcoCanyo n
RevolonS lough
Brown
Barranca
North Fork Arroyo Conejo
Tod d Barra nca
Arroyo Sim i
Madr anio
Canyon
San An
ton
io
Cre ek
Co rral Canyon
West Fork
Coyote Creek
Triun foCanyon
Lit tle
Sycam
ore
Cany
on
Padr
e Ju
an Ca nyon
Cas ta
i cCr
e ek
Santa
Ana Cr
eek
Zuma Canyo n
Cañada LargaAyers Creek
OxnardDrain No. 3
Lion Creek
ColdCreek
Whe
eler C
anyo
n
Arroyo Conejo
Los Sa
uces
Cree
k
Call egua s
C reek
Tor reyCany on
Arroyo Las Posas
Bea rdsley Wash
Reeves Creek
Popli
nC r
e ek
Med eaCree k
S olstice Ca ny on
Car bonCanyo n
Encin
alCa
nyon
L inderoCan yon
Pa loC om
adoCany o n
Lo ngCan yon
Da ytonCreek
Lach
usaCa
nyon
LatigoC anyon
Calle guas Creekat Cam arilloSt reet (ME-CC)
Sa nta C laraRiver at Fre emanDiversio n (ME-SCR)
Ven tura Riverat Ojai Valle ySa nit atio n (M E-VR2 )
CamarilloHills Drain
(MO-CAM)
North Fillm oreDra in (MO-FIL)
Huene me Drain(MO-HUE)
Happy Valle yDra in (MO-M EI)
Wa lnu tCanyon
(MO-MPK)
Fox Ca nyonDra in(MO-OJA)
El R io Dra in(MO-OXN)
Bu s CanyonDra in
(MO-SIM)
11th Street Dra in(Santa PaulaAirport ) (MO-SPA)
Hill Ca nyo nWWTP (M O-THO)
Moon D itch(MO-VEN)
SSAA
NNTT
AABB
AARR
BBAA
RRAA
CCOO
UUNN
TTYY
VEN
TU
RA
VEN
TU
RA
CO
UN
T YC
OU
NT Y
VEN
TU
RA
VEN
TU
RA
CO
UN
T YC
OU
NT Y
L OS
AN
GE
L ES
L OS
AN
GE
L ES
CO
UN
T YC
OU
NT Y
Figure C-11: Ventura County Storm Drain System and Monitoring Locations. C-16
P a c i f i cO c e a n
0 2.5 51.25Mile sË
LegendWatershedManagementArea BoundariesCounty BoundaryRegionalBoundaryFreeways
LakesRivers andStreams
á Reach BreaksStorm DrainsOpen Channels
!(
Storm WaterOutfall MonitoringSites (Site ID)
"
Receiving WaterMonitoring Sites(Site ID)
á
áá
á
á
á
!(
!( !(!(!(!(!(
!(
!(
!(
!(
!(!(
!(!(
La Conchita Beach (2500)
Surfer's Point at Seaside (13000)
Promenade Pk-Figueroa St. (14000)
Promenade Pk-Redwood Apts (15000)
Promenade Pk-Calif. St. (17000)S.B. St. Bch-Kalorama St. (18000)
S.B. St. Bch-San Jon Rd. (19000)S.B. St. Bch-Dover Lane (20000)
S.B. St. Bch-Weymouth Ln. (21000)
Oxnard Bch-5th St. (29000)
Oxnard Bch-Outrigger Way (30000)
Oxnard Bch Pk-Falkirk Ave. (32000)
Oxnard Bch Pk-Starfish Dr. (33000)
Silverstrand Bch-S. Paula (39000)
Silverstrand Bch-Sawtelle (40000)
SA N T A BAR B A R A
SA N T A BAR B A R A
C O U N T Y
C O U N T YVV EE NN TT UU RR AA
CC OO UU NN TT YY
Port Hueneme
Ventura
Ventura
Oxnard
VenturaUnincorporated
VenturaUnincorporated
VenturaUnincorporated
VenturaUnincorporated
VenturaUnincorporated
Ventura
Oxnard
Oxnard
Oxnard
Lake Casitas
McGrath La ke
Sa nta Cla raRiverEs tuary
Ormond Beac hWe tlands
Ormond Beac hWe tlands
VenturaRiverEs tuary
Santa Clara Ri ver
Co
yoteCr
eekWillow Creek
Brown Barranca
M ad ran io C a nyon Ventura R iv er
Pad re
Ju anCan yo n
A yers Creek
Wh e
e lerC
a n yon
Los Sa uces Cr
eek
OxnardDra in
N o.2Ch ism aho oC reek
Poverty Can yon
OxnardDrain No. 3
Cañada La rga
San An ton io
Creek
Javo
nCanyon
Oxna
rdDu
ck P
onds
Long Canyon
T od d Ba rra nca
OxnardA gric ul tural Drain
Revolon Slough
Figure C-12: Ventura County Shoreline Monitoring Locations. C-17
P a c i f i cO c e a n
0 1 20.5Mile s Ë
LegendWatershedManagementArea BoundariesCounty BoundaryRegionalBoundary
LakesRivers andStreams
á Reach BreaksFreeways
!( Stations (Site ID)Storm DrainsOpen Channels
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