Mammoth PoolReservoir

RedingerLake

ShaverLake

HuntingtonLake

Lake Thomas A.Edison

FlorenceLake

M A

D E

R A

C O

U N

T Y

F R E

S N

O

C O U

N T

Y

168

Portal Forebay

Adit 8 CreekDiversion

Dam 7

East Fork Camp 61Creek Diversion

So

Mon

o Creek

Mill Creek

Stevenson Creek

eek

Warm Creek

Hof

fman

Creek

Westfall Creek

Stevenson Creek

Jack

ass

Cre

ek

Bear Creek

Shakeflat Creek

North

Fork Stevenson Creek

Big Creek

Four Forks Creek

South Fork San Joaquin River

Tamarack Creek

Sagin aw C

reek

Hom

ecamp

Creek

Coon CreekBoulder Creek

San

Joaq

uin

Riv

er

Jose Cre ek

Kaiser Creek

Bols

illo

Cr

eek

San

Joaq

uin

Rive

r

Balsam

Creek

Tombstone Creek

Daulton Creek

Crat

er Cre

ek

Hookers Creek

Ald

San

Joaq

uin River

Ely

Cre

ek

San

Joaq

uin

River

Chinquapin

Creek

Ross Creek

Kaiser Creek

Hooper Creek

Big CreekPitman Creek

Bill

y C

reek

Adi

t 8 C

reek

Fish Creek

San

Joaq

uin

Rive

r Dam 7 Fish WaterGenerator

Mammoth PoolFish WaterGenerator

EastwoodPowerStationBig Creek No.

4 Powerhouse

Big Creek No.3 Powerhouse

Big Creek No.2 Powerhouse

Big Creek No.2A Powerhouse

Big Creek No.1 Powerhouse

Big Creek No.8 Powerhouse

Mammoth PoolPowerhouse

PortalPowerhouse

Balsam MeadowForebay Dam

MammothPool Dam

Mammoth PoolSpillway

Shaver LakeDam

Dam 5Dam 4Dam 6

Huntington LakeDam 3A

Huntington LakeDam 3

Huntington LakeDam 2

HuntingtonLake Dam 1

FlorenceLake Dam

Portal ForebayDam

VermilionValley Dam

West Fork Camp 61Creek Diversion

Bear CreekDiversion

Camp 62Creek

Diversion

TombstoneCreekDiversion

Rock CreekDiversion

South SlideCreek Diversion

Ely CreekDiversion

Balsam CreekDiversion

North SlideCreek Diversion

Hooper CreekDiversion

Pitman CreekDiversion

Mono CreekDiversion

Ross CreekDiversion

North ForkStevenson CreekDiversion

Warm CreekDiversion

Crater CreekDiversion

ChinquapinCreek Diversion

BolsilloCreekDiversion

ShaverLake

NorthFork

Auberry

168

B

B

B

With Assistance From

E N T R I X

Date: 3/28/07

Projection: UTM Zone 11Datum: NAD 83

0 1 2 3 40.5

Miles

Big Creek Hydroelectric SystemAlternative Licensing Process

Southern California EdisonHydroelectric System

Note: The Big Creek No. 4 Project received a FERC Licenseon Dec. 4, 2003. the Vermilion Valley Project and PortalProject operate under annual licenses.

SCE Big Creek Projects

Big Creek Nos. 1 and 2 ProjectFERC Project No. 2175

Big Creek Nos. 2A, 8 andEastwood ProjectFERC Project No. 67

Big Creek No. 3 ProjectFERC Project No. 120

Big Creek No. 4 ProjectFERC Project No. 2017

Mammoth Pool ProjectFERC Project No. 2085

Portal ProjectFERC Project No. 2174

Vermilion Valley ProjectFERC Project No. 2086

City, Town

County Boundary

Water Conveyence

Powerhouse

Dam

Diversion

Roads

Figure 1