c. attachment c los angeles region storm drain …...attachment c – los angeles region storm drain...

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

·|}126

·|}91

·|}55

·|}110

·|}126

·|}118

·|}1

·|}14

·|}2

·|}33

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

·|}22

·|}57

·|}91

·|}71·|}60

·|}210

·|}1

·|}1

·|}14

·|}2

·|}33

£¤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

·|}33

·|}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


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


L O S A N G E L E S C O U N T Y


·|}118

·|}126

·|}1

·|}33

·|}118

·|}126

£¤101

£¤101

£¤101

£¤101

Moorpark

Ojai

Fillmore

Ventura

SantaPaula

OxnardThousand Oaks

Camarillo


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.


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


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.


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


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


·|}118

·|}1

·|}126

·|}118

·|}1

£¤101

£¤101

Simi ValleyMoorpark

PortHueneme

Ventura

SantaPaula

Oxnard

Thousand Oaks

Camarillo


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


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


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

·|}91

·|}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


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


C-7

LegendWatershed BoundaryCounty BoundaryLakesFreeways

StreamsStorm DrainsOpen Channels

0 2 41MilesË

MedeaCk

Centinela Ck

SepulvedaChannel

áá

á





·|}1

·|}1

£¤101

Simi Valley

Thousand Oaks

Camarillo


LA Unincorporated

Malibu


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


C-8

EscondidoBeach

PuercoBeach

LegendSubwatershed BoundaryCounty BoundaryLakesFreeways

Streams


Ë 0 21Miles

Figure C-6b: Marina del Rey Subwatershed Storm Drain System(Santa Monica Bay WMA).


·|}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


C-10

Ballona C reek

EstuaryLegend

Subwatershed BoundaryCounty BoundaryLakesFreeways

Streams


0 21MilesË

Figure C-7: Dominguez Channel and Los Angeles/Long Beach HarborsWatershed Management Area Storm Drain System.


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


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


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


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 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.


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.


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


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


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






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


0 1 20.5Mile s Ë

LegendWatershedManagementArea BoundariesCounty BoundaryRegionalBoundary

LakesRivers andStreams

á Reach BreaksFreeways

!( Stations (Site ID)Storm DrainsOpen Channels

c. attachment c los angeles region storm drain …...attachment c – los angeles region storm drain...

Documents