Basin Search

Alexander Valley – Alexander Area

1-054.01

7-034

Antelope Valley

6-044

Arroyo Santa Rosa Valley

4-007

Arroyo Seco Valley

7-037

8-009

Big Valley (Lake County) Basin

5-015

Big Valley (Lassen, Modoc)

5-004

Borrego Valley – Borrego Springs

7-024.01

Borrego Valley – Ocotillo Wells

7-024.02

1-003

3-007

3-018

Castac Lake Valley

5-029

Chuckwalla Valley

7-005

Coachella Valley – Desert Hot Springs

7-021.03

Coachella Valley – Indio

7-021.01

Coachella Valley – Mission Creek

7-021.02

Coachella Valley – San Gorgonio Pass

7-021.04

Coastal Plain of Los Angeles – Santa Monica

4-011.01

Coastal Plain of Orange County

8-001

Coastal Plain of San Diego

9-033

Corralitos – Pájaro Valley

3-002.01

Corralitos – Purísima Highlands

3-002.02

Coyote Wells Valley

7-029

3-013

7-061

Downtown San Francisco

2-040

East Salton Sea

7-033

Eel River Valley

1-010

Elsinore – Bedford-Coldwater

8-004.02

Elsinore – Elsinore Valley

8-004.01

Gilroy-Hollister Valley – Bolsa Area (now part of the North San Benito Groundwater subbasin)

3-003.02

Gilroy-Hollister Valley – Hollister Area (now part of the North San Benito subbasin)

3-003.03

Gilroy-Hollister Valley – Llagas Area

3-003.01

Gilroy-Hollister Valley – North San Benito

3-003.05

Gilroy-Hollister Valley – San Juan Bautista Area (now part of the North San Benito subbasin)

3-003.04

3-016

Half Moon Bay Terrace

2-022

Imperial Valley

7-030

Indian Wells Valley

6-054

2-033

7-062

Kern River Valley

5-025

Klamath River Valley – Lower Klamath Lake

1-002.02

Klamath River Valley – Tulelake

1-002.01

Las Posas Valley

4-008

Livermore Valley

2-010

2-038

Los Osos Valley – Los Osos Area

3-008.01

Los Osos Valley – Warden Creek

3-008.02

Los Osos Valley (subdivided in 2019 to two subbasins: Los Osos 3-008.01 and Warden Creek 3-008.02)

3-008

Lower San Luis Rey Valley (formerly San Luis Rey Valley)

9-007.02

Mad River Valley – Dows Prairie School Area

1-008.02

Mad River Valley – Lowland

1-008.01

2-039

6-067

3-049

Napa-Sonoma Valley – Lowlands

2-002.03

Napa-Sonoma Valley – Napa Valley

2-002.01

Napa-Sonoma Valley – Sonoma Valley

2-002.02

Ocotillo-Clark Valley

7-025

7-035

4-002

6-012.01

Owens Valley – Fish Slough

6-012.02

Palo Verde Mesa

7-039

Palo Verde Valley

7-038

Petaluma Valley

2-001

Pleasant Valley

4-006

Redding Area – Anderson

5-006.03

Redding Area – Bowman Subbasin

5-006.01

Redding Area – Enterprise

5-006.04

Redding Area – Millville

5-006.05

Redding Area – Rosewood (consolidated into Redding Area – Bowman subbasin 5-006.01)

5-006.02

Redding Area – South Battle Creek

5-006.06

Sacramento Valley – Antelope

5-021.54

Sacramento Valley – Bend

5-021.53

Sacramento Valley – Butte

5-021.70

Sacramento Valley – Colusa

5-021.52

Sacramento Valley – Corning

5-021.51

Sacramento Valley – Dye Creek (now part of the Sacramento Valley – Los Molinos subbasin 5-021.56)

5-021.55

Sacramento Valley – East Butte (consolidated into Sacramento Valley Butte 5-021.70)

5-021.59

Sacramento Valley – Los Molinos

5-021.56

Sacramento Valley – North American

5-021.64

Sacramento Valley – North Yuba

5-021.60

Sacramento Valley – Red Bluff

5-021.50

Sacramento Valley – Solano

5-021.66

Sacramento Valley – South American

5-021.65

Sacramento Valley – South Yuba

5-021.61

Sacramento Valley – Sutter

5-021.62

Sacramento Valley – Vina

5-021.57

Sacramento Valley – West Butte (consolidated into Sacramento Valley – Butte subbasin 5-021.70)

5-021.58

Sacramento Valley – Wyandotte Creek

5-021.69

Sacramento Valley – Yolo

5-021.67

Salinas Valley – 180/400 Foot Aquifer

3-004.01

Salinas Valley – Atascadero Area

3-004.11

Salinas Valley – Corral de Tierra / Monterey

3-004.10

Salinas Valley – East Side Aquifer

3-004.02

Salinas Valley – Forebay Aquifer

3-004.04

Salinas Valley – Langley Area

3-004.09

Salinas Valley – Paso Robles Area

3-004.06

Salinas Valley – Upper Valley Aquifer

3-004.05

San Antonio Creek Valley

3-014

San Diego River Valley

9-015

San Fernando Valley

4-012

San Gabriel Valley

4-013

8-005

San Joaquin Valley – Chowchilla

5-022.05

San Joaquin Valley – Cosumnes

5-022.16

San Joaquin Valley – Delta-Mendota

5-022.07

San Joaquin Valley – East Contra Costa

5-022.19

San Joaquin Valley – Eastern San Joaquin

5-022.01

San Joaquin Valley – Kaweah

5-022.11

San Joaquin Valley – Kern County

5-022.14

San Joaquin Valley – Kings

5-022.08

San Joaquin Valley – Madera

5-022.06

San Joaquin Valley – Merced

5-022.04

San Joaquin Valley – Modesto

5-022.02

San Joaquin Valley – Pleasant Valley

5-022.10

San Joaquin Valley – Tracy

5-022.15

San Joaquin Valley – Tulare Lake

5-022.12

San Joaquin Valley – Tule

5-022.13

San Joaquin Valley – Turlock

5-022.03

San Joaquin Valley – Westside

5-022.09

San Joaquin Valley – White Wolf

5-022.18

San Luis Obispo Valley

3-009

San Pasqual Valley

9-010

Sand Point Area

2-027

Santa Clara River Valley – Fillmore

4-004.05

Santa Clara River Valley – Mound

4-004.03

Santa Clara River Valley – Oxnard

4-004.02

Santa Clara River Valley – Piru

4-004.06

Santa Clara River Valley – Santa Clara River Valley East

4-004.07

Santa Clara River Valley – Santa Paula

4-004.04

Santa Clara Valley – East Bay Plain

2-009.04

Santa Clara Valley – Niles Cone

2-009.01

Santa Clara Valley – San Mateo Plain

2-009.03

Santa Clara Valley – Santa Clara

2-009.02

Santa Cruz Mid-County

3-001

Santa Margarita

3-027

Santa Maria River Valley

3-012

Santa Maria River Valley – Arroyo Grande

3-012.02

Santa Maria River Valley – Santa Maria

3-012.01

Santa Rosa Valley – Healdsburg Area

1-055.02

Santa Rosa Valley – Santa Rosa Plain

1-055.01

Santa Ynez River Valley

3-015

Scott River Valley

1-005

5-014

1-004

5-012.01

Smith River Plain

1-001

South San Francisco

2-037

Tahoe Valley – Tahoe South

6-005.01

Tehachapi Valley East

6-045

Tehachapi Valley West

5-028

Tres Pinos Valley

3-025

1-052

Upper Lake Valley

5-013

Upper San Luis Rey Valley (formerly San Luis Rey Valley)

9-007.01

Upper Santa Ana Valley – Chino

8-002.01

Upper Santa Ana Valley – Riverside-Arlington

8-002.03

Upper Santa Ana Valley – San Timoteo

8-002.08

Upper Santa Ana Valley – Temescal

8-002.09

Upper Santa Ana Valley – Yucaipa

8-002.07

Vallecito-Carrizo Valley

7-028

Ventura River Valley – Lower Ventura River

4-003.02

Ventura River Valley – Upper Ventura River

4-003.01

Visitacion Valley

2-032

7-012

West Salton Sea

7-022

West Santa Cruz Terrace

3-026

2-035

Wilson Grove Formation Highlands

1-059

7-036