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Bulletin 118 – Update 2003
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Individual Basin Descriptions

Sacramento
San Benito
San Bernardino
San Diego
San Francisco

San Joaquin
San LuisObispo
San Mateo
Santa Barbara
Santa Clara

Santa Cruz
Shasta
Sierra
Siskiyou
Solano

Sonoma
Stanislaus
Sutter

  

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An asterisk (*) indicates the basin is partially in the county.
All basin descriptions are in PDF format.
Files Sizes are indicated next to the link to the basin descriptions.

Sacramento

 
Groundwater Basin
Subbasin
Number
Updated
Sacramento Valley North American* (339K) 5-21.64 1/20/06
Sacramento Valley South American (167K) 5-21.65 2/27/04
Sacramento Valley Solano* (172K) 5-21.66 2/27/04
San Joaquin Valley Cosumnes* (263K) 5-22.16 2/17/06

San Benito

 
Groundwater Basin
Subbasin
Number
Updated
Pajaro Valley* (43K)   3-2 1/20/06
Santa Ana Valley (126K)   3-22 2/27/04
Upper Santa Ana Valley (124K)   3-23 2/27/04
Quien Sabe Valley (127K)   3-24 2/27/04
Tres Pinos Valley (149K)   3-25 2/27/04
San Benito River Valley (127K)   3-28 2/27/04
Dry Lake Valley (149K)   3-29 2/27/04
Gilroy-Hollister Valley Bolsa Area (161K) 3-3.02 2/27/04
Gilroy-Hollister Valley Hollister Area* (161K) 3-3.03 2/27/04
Gilroy-Hollister Valley San Juan Bautista Area* (162K) 3-3.04 2/27/04
Bitter Water Valley (134K)   3-30 2/27/04
Hernandez Valley (126K)   3-31 2/27/04
Panoche Valley* (120K)   5-23 2/27/04
Vallecitos Creek Valley* (116K)   5-71 2/27/04

San Bernardino

 
Groundwater Basin
Subbasin
Number
Updated
Death Valley* (148K)   6-18 2/27/04
Wingate Valley* (131K)   6-19 2/27/04
Middle Amargosa Valley* (144K)   6-20 2/27/04
Lower Kingston Valley (136K)   6-21 2/27/04
Upper Kingston Valley (134K)   6-22 2/27/04
Riggs Valley (133K)   6-23 2/27/04
Red Pass Valley (133K)   6-24 2/27/04
Bicycle Valley (155K)   6-25 2/27/04
Avawatz Valley (134K)   6-26 2/27/04
Leach Valley (132K)   6-27 2/27/04
Mesquite Valley* (137K)   6-29 2/27/04
Ivanpah Valley (139K)   6-30 2/27/04
Kelso Valley (134K)   6-31 2/27/04
Broadwell Valley (149K)   6-32 2/27/04
Soda Lake Valley (153K)   6-33 2/27/04
Silver Lake Valley (138K)   6-34 2/27/04
Cronise Valley (138K)   6-35 2/27/04
Langford Valley Langford Well Lake (27K) 6-36.01 2/27/04
Langford Valley Irwin (30K) 6-36.02 2/27/04
Coyote Lake Valley (120K)   6-37 2/27/04
Caves Canyon Valley (164K)   6-38 2/27/04
Lower Mojave River Valley (178K)   6-40 2/27/04
Middle Mojave River Valley (177K)   6-41 2/27/04
Upper Mojave River Valley (179K)   6-42 2/27/04
El Mirage Valley* (137K)   6-43 2/27/04
Antelope Valley* (163K)   6-44 2/27/04
Fremont Valley* (158K)   6-46 2/27/04
Harper Valley* (169K)   6-47 2/27/04
Goldstone Valley (129K)   6-48 2/27/04
Superior Valley (138K)   6-49 2/27/04
Cuddeback Valley* (134K)   6-50 2/27/04
Pilot Knob Valley (153K)   6-51 2/27/04
Searles Valley* (138K)   6-52 2/27/04
Salt Wells Valley (131K)   6-53 2/27/04
Indian Wells Valley* (32K)   6-54 2/27/04
Panamint Valley* (1387K)   6-58 2/27/04
Lost Lake Valley* (131K)   6-71 2/27/04
Brown Mountain Valley (135K)   6-76 2/27/04
Grass Valley (131K)   6-77 2/27/04
Denning Spring Valley (134K)   6-78 2/27/04
California Valley* (134K)   6-79 2/27/04
Owl Lake Valley* (135K)   6-88 2/27/04
Kane Wash Area (136K)   6-89 2/27/04
Cady Fault Area (114K)   6-90 2/27/04
Lanfair Valley (135K)   7-1 2/27/04
Fenner Valley (120K)   7-2 2/27/04
Ward Valley* (115K)   7-3 2/27/04
Rice Valley* (141K)   7-4 2/27/04
Pinto Valley* (152K)   7-6 2/27/04
Cadiz Valley* (119K)   7-7 2/27/04
Bristol Valley (144K)   7-8 2/27/04
Dale Valley* (139K)   7-9 2/27/04
Twentynine Palms Valley (160K)   7-10 2/27/04
Copper Mountain Valley (163K)   7-11 2/27/04
Warren Valley* (156K)   7-12 2/27/04
Deadman Valley Deadman Lake (164K) 7-13.01 2/27/04
Deadman Valley Surprise Spring (162K) 7-13.02 2/27/04
Lavic Valley (135K)   7-14 2/27/04
Bessemer Valley (138K)   7-15 2/27/04
Ames Valley (156K)   7-16 2/27/04
Means Valley (138K)   7-17 2/27/04
Johnson Valley Soggy Lake (158K) 7-18.01 2/27/04
Johnson Valley Upper Johnson Valley (136K) 7-18.02 2/27/04
Lucerne Valley (161K)   7-19 2/27/04
Morongo Valley (152K)   7-20 2/27/04
Calzona Valley* (152K)   7-41 2/27/04
Vidal Valley* (155K)   7-42 2/27/04
Chemehuevi Valley (145K)   7-43 2/27/04
Needles Valley (160K)   7-44 2/27/04
Piute Valley (146K)   7-45 2/27/04
Helendale Fault Valley   7-48  
Pipes Canyon Fault Valley   7-49  
Iron Ridge Area (128K)   7-50 2/27/04
Lost Horse Valley* (128K)   7-51 2/27/04
Joshua Tree* (168K)   7-62 2/27/04
Upper Santa Ana Valley Chino* (32K) 8-2.01 1/20/06
Upper Santa Ana Valley Cucamonga (150K) 8-2.02 2/27/04
Upper Santa Ana Valley Riverside-Arlington* (155K) 8-2.03 2/27/04
Upper Santa Ana Valley Rialto-Colton* (163K) 8-2.04 2/27/04
Upper Santa Ana Valley Cajon (160K) 8-2.05 2/27/04
Upper Santa Ana Valley Bunker Hill (169K) 8-2.06 2/27/04
Upper Santa Ana Valley Yucaipa* (172K) 8-2.07 2/27/04
Upper Santa Ana Valley San Timoteo* (169K) 8-2.08 2/27/04
Big Meadows Valley (146K)   8-7 2/27/04
Seven Oaks Valley (128K)   8-8 2/27/04
Bear Valley (166K)   8-9 2/27/04

San Diego

 
Groundwater Basin
Subbasin
Number
Updated
Coachella Valley Indio* (162K) 7-21.01 2/27/04
West Salton Sea* (135K)   7-22 2/27/04
Borrego Valley* (137K)   7-24 2/27/04
Ocotillo-Clark Valley* (146K)   7-25 2/27/04
San Felipe Valley (137K)   7-27 2/27/04
Vallecito-Carrizo Valley* (138K)   7-28 2/27/04
Coyote Wells Valley* (140K)   7-29 2/27/04
Canebrake Valley (129K)   7-46 2/27/04
Jacumba Valley (136K)   7-47 2/27/04
Collins Valley* (126K)   7-55 2/27/04
Yaqui Well Area (133K)   7-56 2/27/04
Mason Valley (134K)   7-59 2/27/04
San Mateo Valley* (149K)   9-2 2/27/04
San Onofre Valley (134K)   9-3 2/27/04
Santa Margarita Valley (134K)   9-4 2/27/04
San Luis Rey Valley (27K)   9-7 2/27/04
Warner Valley (154K)   9-8 2/27/04
Escondido Valley (128K)   9-9 2/27/04
San Pasqual Valley (141K)   9-10 2/27/04
Santa Maria Valley (160K)   9-11 2/27/04
San Dieguito Creek (142K)   9-12 2/27/04
Poway Valley (154K)   9-13 2/27/04
Mission Valley (137K)   9-14 2/27/04
San Diego River Valley (157K)   9-15 2/27/04
El Cajon Valley (150K)   9-16 2/27/04
Sweetwater Valley (161K)   9-17 2/27/04
Otay Valley (143K)   9-18 2/27/04
Tijuana (144K)   9-19 1/20/06
Batiquitos Lagoon Valley (130K)   9-22 2/27/04
San Elijo Valley (138K)   9-23 2/27/04
Pamo Valley (133K)   9-24 2/27/04
Ranchita Town Area (137K)   9-25 2/27/04
Cottonwood Valley (133K)   9-27 2/27/04
Campo Valley (140K)   9-28 2/27/04
Potrero Valley (131K)   9-29 2/27/04
San Marcos Area (126K)   9-32 2/27/04

San Francisco

 
Groundwater Basin
Subbasin
Number
Updated
Visitation Valley* (150K)   2-32 2/27/04
Islais Valley* (155K)   2-33 2/27/04
Westside* (27K)   2-35 1/20/06
South San Francisco (132K)   2-37 2/27/04
Lobos (177K)   2-38 2/27/04
Marina (188K)   2-39 2/27/04
Downtown (175K)   2-40 2/27/04

San Joaquin

 
Groundwater Basin
Subbasin
Number
Updated
San Joaquin Valley Eastern San Joaquin* (357K) 5-22.01 1/20/06
San Joaquin Valley Tracy* (38K) 5-22.15 1/20/06
San Joaquin Valley Cosumnes* (263K) 5-22.16 2/17/06

San Luis Obispo

 
Groundwater Basin
Subbasin
Number
Updated
Salinas Valley Paso Robles Area* (180K) 3-4.06 2/27/04
Cholame Valley* (122K)   3-5 2/27/04
Los Osos Valley (180K)   3-8 2/27/04
San Luis Obispo Valley (171K)   3-9 2/27/04
Santa Maria* (198K)   3-12 2/27/04
Cuyama Valley* (183K)   3-13 2/27/04
Carrizo Plain* (157K)   3-19 2/27/04
San Carpoforo Valley (145K)   3-33 2/27/04
Arroyo de la Cruz Valley (148K)   3-34 2/27/04
San Simeon Valley (178K)   3-35 2/27/04
Santa Rosa Valley (184K)   3-36 2/27/04
Villa Valley (149K)   3-37 2/27/04
Cayucos Valley (167K)   3-38 2/27/04
Old Valley (166K)   3-39 2/27/04
Toro Valley (149K)   3-40 2/27/04
Morro Valley (169K)   3-41 2/27/04
Chorro Valley (170K)   3-42 2/27/04
Rinconada Valley (145K)   3-43 2/27/04
Pozo Valley (148K)   3-44 2/27/04
Huasna Valley (161K)   3-45 2/27/04
Rafael Valley (144K)   3-46 2/27/04
Big Spring Area (144K)   3-47 2/27/04

San Mateo

 
Groundwater Basin
Subbasin
Number
Updated
Santa Clara Valley San Mateo Plain (184K) 2-9.03 2/27/04
Half Moon Bay Terrace   2-22  
San Gregorio Valley   2-24  
PescaderoValley   2-26  
Visitation Valley* (150K)   2-32 2/27/04
Islais Valley* (155K)   2-33 2/27/04
Westside* (27K)   2-35 1/20/06
San Pedro Valley (133K)   2-36 2/27/04
Ano Nuevo Area (132K)   3-20 2/27/04

Santa Barbara

 
Groundwater Basin
Subbasin
Number
Updated
Santa Maria* (198K)   3-12 2/27/04
Cuyama Valley* (183K)   3-13 2/27/04
San Antonio Creek Valley (183K)   3-14 2/27/04
Santa Ynez River Valley (197K)   3-15 2/27/04
Goleta (185K)   3-16 2/27/04
Santa Barbara (193K)   3-17 2/27/04
Carpinteria* (187K)   3-18 2/27/04
Montecito (187K)   3-49 2/27/04
Foothill (188K)   3-53 2/27/04

Santa Clara

 
Groundwater Basin
Subbasin
Number
Updated
Santa Clara Valley Santa Clara (159K) 2-9.02 2/27/04
Gilroy-Hollister Valley Llagas Area (159K) 3-3.01 2/27/04
Gilroy-Hollister Valley Hollister Area* (161K) 3-3.03 2/27/04

Santa Cruz

 
Groundwater Basin
Subbasin
Number
Updated
Soquel Valley (37K)   3-1 2/27/04
Pajaro Valley* (43K)   3-2 1/20/06
Santa Cruz Purisima Formation (177K)   3-21 2/27/04
West Santa Cruz Terrace (169K)   3-26 2/27/04
Scotts Valley (31K)   3-27 1/20/06
Felton Area (153K)   3-50 2/27/04
Majors Creek (133K)   3-51 2/27/04
Needle Rock Point (124K)   3-52 2/27/04

Shasta

 
Groundwater Basin
Subbasin
Number
Updated
Fall River Valley* (169K)   5-5 2/27/04
Redding Anderson (165K) 5-6.03 2/27/04
Redding Enterprise (162K) 5-6.04 2/27/04
Redding Millville (165K) 5-6.05 2/27/04
Pondosa Town Area*   5-38  
Hot Springs Valley* (105K)   5-40 2/27/04
Cayton Valley (105K)   5-45 2/27/04
Lake Britton Area (96K)   5-46 2/27/04
Goose Valley (95K)   5-47 2/27/04
Burney Creek Valley (113K)   5-48 2/27/04
Dry Burney Creek Valley (93K)   5-49 2/27/04
North Fork Battle Creek (127K)   5-50 2/27/04

Sierra

 
Groundwater Basin
Subbasin
Number
Updated
Mohawk Valley* (158K)   5-11 2/27/04
Sierra Valley Sierra Valley* (160K) 5-12.01 2/27/04
Martis Valley* (126K)   6-67 2/27/04
Long Valley* (139K)   6-104 2/27/04

Siskiyou

 
Groundwater Basin
Subbasin
Number
Updated
Klamath River Valley Tule Lake (155K) 1-2.01 2/27/04
Klamath River Valley Lower Klamath (154K) 1-2.02 2/27/04
Butte Valley (169K)   1-3 2/27/04
Shasta Valley (164K)   1-4 2/27/04
Scott River Valley (161K)   1-5 2/27/04
Happy Camp Town Area (117K)   1-15 2/27/04
Seiad Valley (141K)   1-16 2/27/04
Bray Town Area (122K)   1-17 2/27/04
Red Rock Valley (123K)   1-18 2/27/04
McCloud Area (112K)   5-35 2/27/04
Toad Well Area (93K)   5-37 2/27/04
Pondosa Town Area*   5-38  

Solano

 
Groundwater Basin
Subbasin
Number
Updated
Napa-Sonoma Valley Napa-Sonoma Lowlands* 2-2.03  
Suisun-Fairfield Valley   2-3  
Sacramento Valley Solano* (172K) 5-21.66 2/27/04
Sacramento Valley Yolo* (177K) 5-21.67 2/27/04

Sonoma

 
Groundwater Basin
Subbasin
Number
Updated
Annapolis Ohlson Ranch Formation Highlands* (158K)   1-49 2/27/04
Knights Valley (136K)   1-50 2/27/04
Alexander Valley Alexander Area (158K) 1-54.01 2/27/04
Alexander Valley Cloverdale Area (158K) 1-54.02 2/27/04
Santa Rosa Valley Santa Rosa Plain (160K) 1-55.01 2/27/04
Santa Rosa Valley Healdsburg Area (156K) 1-55.02 2/27/04
Santa Rosa Valley Rincon Valley (155K) 1-55.03 2/27/04
Bodega Bay Area (158K)   1-57 2/27/04
Wilson Grove Formation Highlands*   1-59  
Lower Russian River Valley (153K)   1-60 2/27/04
Fort Ross Terrace Deposits* (162K)   1-61 2/27/04
Petaluma Valley*   2-1  
Napa-Sonoma Valley Sonoma Valley 2-2.02  
Napa-Sonoma Valley Napa-Sonoma Lowlands* 2-2.03  
Kenwood Valley   2-19  

Stanislaus

 
Groundwater Basin
Subbasin
Number
Updated
San Joaquin Valley Eastern San Joaquin* (357K)

5-22.01

 1/20/06
San Joaquin Valley Modesto (164K) 5-22.02 2/27/04
San Joaquin Valley Turlock* (34K) 5-22.03 1/20/06
San Joaquin Valley Delta-Mendota* (35K) 5-22.07 1/20/06

Sutter

 
Groundwater Basin
Subbasin
Number
Updated
Sacramento Valley East Butte* (156K) 5-21.59 2/27/04
Sacramento Valley Sutter (35K) 5-21.62 1/20/06
Sacramento Valley North American* (339K) 5-21.64 1/20/06
End of Page 3- Counties Sa thru Su
 Page 4 - Counties T-Y

 

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