Tool Box

Bulletin 118 Groundwater Basin Descriptions

This is an IWRIS tool that allows the user easy access to groundwater basin description available in DWR Bulletin 118. You can click on the link below to download all the pdf files of the basin descriptions as a zip file or you can download the individual pdf files for a selected basin by right clicking on the links below.

Please note that the zip file is being created on the fly using the latest pdf files on the DWR Bulletin 118 website. Therefore, it may few minutes to create the zip file and download it.

You can sort the list below by clicking on the "Subbasin No." and "Subbasin Name" links.

Download all basin descriptions in one zip file (25.4 MB)

Note for the zip file(1.2 KB)

Subbasin No	Subbasin Name
Download individual PDF files
3-4.01	180/400 Foor Aquifer
4-5	ACTON VALLEY
6-10	ADOBE LAKE VALLEY
1-54.01	ALEXANDER AREA
1-54	ALEXANDER VALLEY
5-2	ALTURAS AREA
5-10	AMERICAN VALLEY
7-16	AMES VALLEY
7-34	AMOS VALLEY
1-49	ANAPOLIS OHLSON RANCH FORMATION HIGHLANDS
5-6.03	ANDERSON SUBBASIN
1-19	ANDERSON VALLEY
3-20	ANO NUEVO AREA
5-91	ANTELOPE CREEK
5-21.54	ANTELOPE SUBBASIN
6-44	ANTELOPE VALLEY
6-7	ANTELOPE VALLEY
3-34	ARROYO DE LA CRUZ VALLEY
2-31	ARROYO DEL HAMBRE VALLEY
4-7	ARROYO SANTA ROSA VALLEY
7-37	ARROYO SECO VALLEY
5-54	ASH VALLEY
6-26	AVAWATZ VALLEY
9-22	BATIQUITOS LAGOON VALLEY
8-9	BEAR VALLEY
5-64	BEAR VALLEY
5-21.53	BEND SUBBASIN
5-20	BERRYESSA VALLEY
7-15	BESSEMER VALLEY
6-25	BICYCLE VALLEY
1-27	BIG LAGOON AREA
8-7	BIG MEADOWS VALLEY
1-45	BIG RIVER VALLEY
3-47	BIG SPRING AREA
5-4	BIG Valley Basin
3-30	BITTER WATER VALLEY
6-13	BLACK SPRINGS VALLEY
5-92	BLANCHARD VALLEY
1-57	BODEGA BAY AREA
7-24	BORREGO VALLEY
3-3.02	BOSLA AREA
5-6.01	BOWMAN SUBBASIN
1-39	BRANSCOMB TOWN AREA
1-17	BRAY TOWN AREA
6-8	BRIDGEPORT VALLEY
7-8	BRISTOL VALLEY
5-80	BRITE VALLEY
6-32	BROADWELL VALLEY
6-76	BROWN MOUNTAIN VALLEY
7-54	BUCK RIDGE FAULT VALLEY
6-101	BULL FLAT
8-2.06	BUNKER HIL
5-48	BURNEY CREEK VALLEY
5-17	BURNS VALLEY
5-51	BUTTE CREEK VALLEY
1-3	BUTTE VALLEY
6-81	BUTTE VALLEY
6-70	CACTUS FLAT
7-7	CADIZ VALLEY
6-90	CADY FAULT AREA
8-2.05	CAJON
6-79	CALIFORNIA VALLEY
7-41	CALZONA VALLEY
6-61	CAMEO AREA
9-28	CAMPO VALLEY
7-46	CANEBRAKE VALLEY
5-21.68	CAPAY VALLEY SUBBASIN
3-7	CARMEL VALLEY
3-18	CARPINTERIA
3-19	CARRIZO PLAIN
6-6	CARSON VALLEY
5-29	CASTAC LAKE VALLEY
2-8	CASTRO VALLEY
6-38	CAVES CANYON VALLEY
5-45	CAYTON VALLEY
3-38	CAYUCOS VALLEY
4-11.04	CENTRAL SUBBASIN
7-43	CHEMEHUEVI VALLEY
5-12.02	CHILCOOT
8-2.01	CHINO
7-32	CHOCOLATE VALLEY
3-5	CHOLAME VALLEY
3-42	CHORRO VALLEY
5-22.05	CHOWCHILLA SUBBASIN
5-61	CHROME TOWN AREA
7-5	CHUCKWALLA VALLEY
2-5	CLAYTON VALLEY
5-66	CLEAR LAKE CACHE FORMATION
5-58	CLOVER VALLEY
1-54.02	CLOVERDALE AREA
7-21	COACHELLA VALLEY
9-6	COAHUILA VALLEY
4-11	COASTAL PLAIN OF LOS ANGELES
8-1	COASTAL PLAIN OF ORANGE COUNTY
6-72	COLES FLAT
5-19	COLLAYOMI VALLEY
7-55	COLLINS VALLEY
5-21.52	COLUSA SUBBASIN
4-10	CONEJO VALLEY
7-11	COPPER MOUNTAIN VALLEY
5-21.51	CORNING SUBBASIN
3-4.10	Corral de Tierra Area
6-55	COSO VALLEY
5-22.16	COSUMNES SUBBASIN
1-37	COTTONEVA CREEK VALLEY
6-65	COTTONWOOD SPRING AREA
9-27	COTTONWOOD VALLEY
1-11	COVELO ROUND VALLEY
6-91	COW HEAD LAKE VALLEY
6-37	COYOTE LAKE VALLEY
5-18	COYOTE VALLEY
7-29	COYOTE WELLS VALLEY
6-35	CRONISE VALLEY
8-2.02	CUCAMONGA
6-50	CUDDEBACK VALLEY
5-82	CUDDY CANYON VALLEY
5-83	CUDDY RANCH AREA
5-84	CUDDY VALLEY
5-27	CUMMINGS VALLEY
3-13	CUYAMA VALLEY
7-9	DALE VALLEY
6-57	DARWIN VALLEY
7-61	DAVIES VALLEY
7-13.01	DEADMAN LAKE
7-13	DEADMAN VALLEY
6-18	DEATH VALLEY
6-15	DEEP SPRINGS VALLEY
5-22.07	DELTA-MENDOTA SUBBASIN
6-78	DENNING SPRING VALLEY
7-21.03	DESERT HOT SPRINGS
1-34	DINSMORES TOWN AREA
5-53	DIXIE VALLEY
2-40	DOWNTOWN SAN FRANCISCO
1-8.02	DOWS PRAIRIE SCHOOL AREA
5-49	DRY BURNEY CREEK VALLEY
3-29	DRY LAKE VALLEY
6-95	DRY VALLEY
5-21.55	DYE CREEK SUBBASIN
6-96	EAGLE LAKE AREA
2-9.04	EAST BAY PLAIN
5-21.59	EAST BUTTE SUBBASIN
7-33	EAST SALTON SEA
5-22.01	EAST SAN JOAQUIN SUBBASIN
3-4.02	East Side Aquifer
1-44	EDEN VALLEY
1-10	EEL RIVER VALLEY
5-41	EGG LAKE VALLEY
9-16	EL CAJON VALLEY
6-43	EL MIRAGE VALLEY
5-62	ELK CREEK AREA
8-4	ELSINORE
5-6.04	ENTERPRISE SUBBASIN
9-9	ESCONDIDO VALLEY
1-9	EUREKA PLAIN
6-16	EUREKA VALLEY
1-22	FAIRCHILD SWAMP VALLEY
5-5	FALL RIVER VALLEY
5-1.02	FANDANGO VALLEY
3-50	FELTON AREA
7-2	FENNER VALLEY
4-4.05	FILLMORE SUBBASIN
6-14	FISH LAKE VALLEY
3-53	FOOTHILL
3-4.04	Forebay Aquifer
1-21	FORT BRAGG TERRACE AREA
1-61	FORT ROSS TERRACE DEPOSITS
6-46	FREMONT VALLEY
5-90	FUNKS CREEK
1-32	GARBERVILLE TOWN AREA
1-20	GARCIA RIVER VALLEY
3-3	GILROY-HOLLISTER VALLEY
6-85	GOLD VALLEY
6-48	GOLDSTONE VALLEY
3-16	GOLETA
5-1	GOOSE LAKE VALLEY
5-47	GOOSE VALLEY
6-77	GRASS VALLEY
6-94	GRASSHOPPER VALLEY
1-48	GRAVELLEY VALLEY
5-52	GRAY VALLEY
6-84	GREENWATER VALLEY
5-59	GRIZZLY VALLEY
2-22	HALF MOON BAY TERRACE
1-15	HAPPY CAMP TOWN AREA
6-47	HARPER VALLEY
6-74	HARRISBURG FLATS
6-93	HARVEY VALLEY
1-6	HAYFORK VALLEY
1-55.02	HEALDSBURG AREA
7-48	HELENDALE FAULT VALLEY
8-6	HEMET LAKE VALLEY
3-31	HERNANDEZ VALLEY
1-36	HETTENSHAW VALLEY
7-53	HEXIE MOUNTAIN AREA
6-63	HIDDEN VALLEY
4-16	HIDDEN VALLEY
5-16	HIGH VALLEY
3-3.03	HOLLISTER AREA SUBBASIN
4-11.02	HOLLYWOOD
6-4	HONEY LAKE VALLEY
1-29	HONEYDEW TOWN AREA
1-7	HOOPA VALLEY
6-97	HORSE LAKE VALLEY
5-40	HOT SPRINGS VALLEY
3-45	HUASNA VALLEY
5-60	HUMBUG VALLEY
4-18	HUNGRY VALLEY
1-35	HYAMPOM VALLEY
7-30	IMPERIAL VALLEY
5-9	INDIAN VALLEY
6-54	INDIAN WELLS VALLEY
7-21.01	INDIO
7-50	IRON RIDGE AREA
6-36.02	IRWIN
2-33	ISLAIS VALLEY
6-30	IVANPAH VALLEY
7-47	JACUMBA VALLEY
5-3	JESS VALLEY
7-18	JOHNSON VALLEY AREA
5-86	JOSEPH CREEK
7-62	JOSHUA TREE
6-89	KANE WASH AREA
5-22.11	KAWEAH SUBBASIN
5-15	KELSEYVILLE VALLEY
6-69	KELSO LANDER VALLEY
6-31	KELSO VALLEY
2-19	KENWOOD VALLEY
5-22.14	KERN COUNTY SUBBASIN
5-25	KERN RIVER VALLEY
5-22.08	KINGS SUBBASIN
1-2	KLAMATH RIVER VALLEY
1-50	KNIGHTS VALLEY
5-7	LAKE ALMANOR VALLEY
5-46	LAKE BRITTON AREA
7-1	LANFAIR VALLEY
6-36	LANGFORD VALLEY
6-36.01	LANGFORD WELL LAKE
3-4.09	Langley Area
1-33	LARABEE VALLEY
4-8	LAS POSAS VALLEY
5-57	LAST CHANCE CREEK VALLEY
7-14	LAVIC VALLEY
1-12	LAYTONVILLE VALLEY
6-27	LEACH VALLEY
6-66	LEE FLAT
6-106	LITTLE ANTELOPE VALLEY
5-65	LITTLE INDIAN VALLEY
1-13	LITTLE LAKE VALLEY
1-41	LITTLE VALLEY
2-10	LIVERMORE VALLEY
3-3.01	LLAGAS SUBBASIN
2-38	LOBOS
3-6	LOCKWOOD VALLEY
4-17	LOCKWOOD VALLEY
5-44	LONG VALLEY
5-31	LONG VALLEY
6-104	LONG VALLEY
6-11	LONG VALLEY
5-70	LOS BANOS CREEK VALLEY
5-21.56	LOS MOLINOS SUBBASIN
3-8	LOS OSOS VALLEY
7-51	LOST HORSE VALLEY
6-71	LOST LAKE VALLEY
5-1.01	LOWER GOOSE LAKE VALLEY
6-21	LOWER KINGSTON VALLEY
1-2.02	LOWER KLAMATH
1-14	LOWER KLAMATH RIVER VALLEY
5-30	LOWER LAKE VALLEY
1-38	LOWER LAYTONVILLE VALLEY
6-40	LOWER MOJAVE RIVER VALLEY
1-60	LOWER RUSSIAN RIVER VALLEY
4-3.02	LOWER VENTURA RIVER
7-19	LUCERNE VALLEY
1-8.01	MAD RIVER LOWLAND
1-8	MAD RIVER VALLEY
6-2	MADELINE PLAINS
5-22.06	MADERA SUBBASIN
3-51	MAJORS CREEK
4-22	MALIBU VALLEY
6-64	MARBLE CANYON AREA
2-39	MARINA
6-67	MARTIS (TRUCKEE) VALLEY
7-59	MASON VALLEY
1-28	MATTOLE RIVER VALLEY
5-35	MCCLOUD AREA
1-56	McDOWELL VALLEY
5-95	MEADOW VALLEY
7-17	MEANS VALLEY
5-22.04	MERCED
2-35	MERCED VALLEY
6-29	MESQUITE VALLEY
6-20	MIDDLE AMARGOSA VALLEY
5-94	MIDDLE CREEK
5-87	MIDDLE FORK FEATHER RIVER
6-41	MIDDLE MOJAVE RIVER VALLEY
6-80	MIDDLE PARK CANYON
5-85	MIL POTRERO AREA
5-6.05	MILLVILLE SUBBASIN
7-21.02	MISSION CREEK
9-14	MISSION VALLEY
5-22.02	MODESTO SUBBASIN
5-11	MOHAWK VALLEY
6-9	MONO VALLEY
3-49	MONTECITO
7-20	MORONGO VALLEY
3-41	MORRO VALLEY
4-4.03	MOUND SUBBASIN
5-8	MOUNTAIN MEADOWS VALLEY
2-2.01	NAPA VALLEY
2-2.03	NAPA-SONOMA LOWLANDS
2-2	NAPA-SONOMA VALLEY
1-46	NAVARRO RIVER VALLEY
3-52	NEEDLE ROCK POINT
7-44	NEEDLES VALLEY
2-9.01	NILES CONE SUBBASIN
5-21.64	NORTH AMERICAN SUBBASIN
5-50	NORTH FORK BATTLE CREEK
5-93	NORTH FORK CACHE CREEK
5-21.60	NORTH YUBA SUBBASIN
2-30	NOVATO VALLEY
7-25	OCOTILLO-CLARK VALLEY
7-35	OGILBY VALLEY
4-2	OJAI VALLEY
3-39	OLD VALLEY
6-108	OLYMPIC VALLEY
7-31	OROCOPIA VALLEY
9-18	OTAY VALLEY
6-12	OWENS VALLEY
6-88	OWL LAKE VALLEY
4-4.02	OXNARD SUBBASIN
6-28	PAHRUMP VALLEY
6-99	PAINTERS FLAT
3-2	PAJARO VALLEY
7-39	PALO VERDE MESA
7-38	PALO VERDE VALLEY
9-24	PAMO VALLEY
6-58	PANAMINT VALLEY
5-23	PANOCHE VALLEY
3-4.06	Paso Robles Area
3-32	PEACH TREE VALLEY
1-30	PEPPERWOOD TOWN AREA
2-26	PESCADERO VALLEY
2-1	PETALUMA VALLEY
6-51	PILOT KNOB VALLEY
6-92	PINE CREEK VALLEY
7-6	PINTO VALLEY
7-49	PIPES CANYON FAULT VALLEY
4-4.06	PIRU SUBBASIN
2-4	PITTSBURG PLAIN
7-45	PIUTE VALLEY
7-52	PLEASANT VALLEY
4-6	PLEASANT VALLEY
5-22.10	PLEASANT VALLEY SUBBASIN
5-38	PONDOSA TOWN AREA
5-68	POPE VALLEY
9-29	POTRERO VALLEY
1-51	POTTER VALLEY
9-13	POWAY VALLEY
3-44	POZO VALLEY
1-25	PRAIRIE CREEK AREA
7-40	QUIEN SABE POINT VALLEY
3-24	QUIEN SABE VALLEY
6-62	RACE TRACK VALLEY
3-46	RAFAEL VALLEY
9-25	RANCHITA TOWN AREA
4-23	RAYMOND
5-21.50	RED BLUFF SUBBASIN
6-24	RED PASS VALLEY
1-18	RED ROCK VALLEY
5-6	REDDING AREA
1-26	REDWOOD CREEK AREA
6-86	RHODES HILL AREA
8-2.04	RIALTO-COLTON
7-4	RICE VALLEY
6-23	RIGGS VALLEY
1-55.03	RINCON VALLEY
3-43	RINCONADA VALLEY
8-2.03	RIVERSIDE-ARLINGTON
5-43	ROCK PRAIRIE VALLEY
6-56	ROSE VALLEY
5-6.02	ROSEWOOD SUBBASIN
2-28	ROSS VALLEY
5-36	ROUND VALLEY
4-20	RUSSELL VALLEY
5-21	SACRAMENTO VALLEY
3-4	SALINAS VALLEY
6-17	SALINE VALLEY
6-53	SALT WELLS VALLEY
3-14	SAN ANTONIO CREEK VALLEY
3-28	SAN BENITO RIVER VALLEY
3-33	SAN CARPOFORO VALLEY
9-15	SAN DIEGO RIVER VALLEY
9-12	SAN DIEGUITO CREEK
9-23	SAN ELIJO VALLEY
7-27	SAN FELIPE VALLEY
4-12	SAN FERNANDO VALLEY
4-13	SAN GABRIEL VALLEY
7-21.04	SAN GORGONIO PASS
2-24	SAN GREGORIO VALLEY
8-5	SAN JACINTO
5-22	SAN JOAQUIN VALLEY
3-3.04	SAN JUAN BAUTISTA AREA SUBBASIN
9-1	SAN JUAN VALLEY
3-9	SAN LUIS OBISPO VALLEY
9-7	SAN LUIS REY VALLEY
9-32	SAN MARCOS AREA
2-9.03	SAN MATEO PLAIN SUBBASIN
9-2	SAN MATEO VALLEY
9-3	SAN ONOFRE VALLEY
9-10	SAN PASQUAL VALLEY
2-36	SAN PEDRO VALLEY
2-29	SAN RAFAEL VALLEY
2-7	SAN RAMON VALLEY
3-35	SAN SIMEON VALLEY
8-2.08	SAN TIMOTEO
2-27	SAND POINT AREA
1-53	SANEL VALLEY
3-12	SANTA
3-22	SANTA ANA VALLEY
3-17	SANTA BARBARA
4-4.07	SANTA CLARA EAST SUBBASIN
4-4	SANTA CLARA RIVER VALLEY
2-9.02	SANTA CLARA SUBBASIN
2-9	SANTA CLARA VALLEY
3-21	SANTA CRUZ PURISIMA FORMATION
9-4	SANTA MARGARITA VALLEY
9-11	SANTA MARIA VALLEY
4-11.01	SANTA MONICA
4-4.04	SANTA PAULA SUBBASIN
6-68	SANTA ROSA FLAT
1-55.01	SANTA ROSA PLAIN
1-55	SANTA ROSA VALLEY
3-36	SANTA ROSA VALLEY
3-15	SANTA YNEZ RIVER VALLEY
1-5	SCOTT RIVER VALLEY
3-27	SCOTTS VALLEY
5-14	SCOTTS VALLEY
6-52	SEARLES VALLEY
3-4.08	Seaside Area
6-100	SECRET VALLEY
1-16	SEIAD VALLEY
8-8	SEVEN OAKS VALLEY
1-4	SHASTA VALLEY
1-42	SHERWOOD VALLEY
5-12.01	SIERRA VALLEY
5-12	SIERRA VALLEY
6-34	SILVER LAKE VALLEY
4-9	SIMI VALLEY
6-105	SLINKARD VALLEY
1-1	SMITH RIVER PLAIN
6-33	SODA LAKE VALLEY
7-18.01	SOGGY LAKE
5-21.66	SOLANO SUBBASIN
2-2.02	SONOMA VALLEY
3-1	SOQUEL VALLEY
5-21.65	SOUTH AMERICAN SUBBASIN
5-6.06	SOUTH BATTLE CREEK SUBBASIN
5-2.01	SOUTH FORK PITT RIVER
2-37	SOUTH SAN FRANCISCO
5-21.61	SOUTH YUBA SUBBASIN
6-82	SPRING CANYON VALLEY
5-89	SQUAW FLAT
5-88	STONY GORGE RESERVOIR
5-63	STONYFORD TOWN AREA
2-3	SUISUN-FAIRFIELD VALLEY
2-11	SUNOL VALLEY
6-49	SUPERIOR VALLEY
7-13.02	SURPRISE SPRING
6-1	SURPRISE VALLEY
5-21.62	SUTTER SUBBASIN
6-107	SWEETWATER FLAT
9-17	SWEETWATER VALLEY
6-5	TAHOE VALLEY
6-5.03	TAHOE VALLEY NORTH
6-5.01	TAHOE VALLEY SOUTH
6-5.02	TAHOE VALLEY WEST
6-45	TEHACHAPI VALLEY EAST
5-28	TEHACHAPI VALLEY WEST
9-5	TEMECULA VALLEY
8-2.09	TEMESCAL
1-40	TEN MILE RIVER VALLEY
7-26	TERWILLIGER VALLEY
4-19	THOUSAND OAKS AREA
4-15	TIERRA REJADA
9-19	TIJUANA BASIN
5-37	TOAD WELL AREA
3-40	TORO VALLEY
5-22.15	TRACY SUBBASIN
3-25	TRES PINOS VALLEY
5-22.12	TULARE LAKE SUBBASIN
1-2.01	TULE LAKE
5-22.13	TULE SUBBASIN
6-98	TULEDAD CANYON
5-22.03	TURLOCK SUBBASIN
7-10	TWENTYNINE PALMS VALLEY
1-52	UKIAH VALLEY
7-18.02	UPPER JOHNSON VALLEY
6-22	UPPER KINGSTON VALLEY
5-13	UPPER LAKE VALLEY
6-42	UPPER MOJAVE RIVER VALLEY
4-1	UPPER OJAI VALLEY
3-23	UPPER SANTA ANA VALLEY
8-2	UPPER SANTA ANA VALLEY
3-4.05	Upper Valley Aquifer
4-3.01	UPPER VENTURA RIVER
7-28	VALLECITO-CARRIZO VALLEY
5-71	VALLECITOS CREEK VALLEY
7-63	VANDEVENTER FLAT
4-3	VENTURA RIVER VALLEY
7-42	VIDAL VALLEY
3-37	VILLA VALLEY
5-21.57	VINA SUBBASIN
2-32	VISITATION VALLEY
5-26	WALKER BASIN CREEK VALLEY
7-3	WARD VALLEY
5-2.02	WARM SPRINGS VALLEY
9-8	WARNER VALLEY
7-12	WARREN VALLEY
1-31	WEOTT TOWN AREA
5-21.58	WEST BUTTE SUBBASIN
4-11.03	WEST COAST SUBBASIN
7-22	WEST SALTON SEA
3-26	WEST SANTA CRUZ TERRACE
5-22.09	WESTSIDE SUBBASIN
6-73	WILD HORSE MESA AREA
6-75	WILDROSE CANYON
1-43	WILLIAMS VALLEY
6-3	WILLOW CREEK VALLEY
1-59	WILSON GROVE FORMATION HIGHLANDS
1-62	WILSON POINT AREA
6-19	WINGATE VALLEY
7-56	YAQUI WELL AREA
5-56	YELLOW CREEK VALLEY
2-6	YGNACIO VALLEY
5-21.67	Yolo Subbasin
5-69	YOSEMITE VALLEY
8-2.07	YUCAIPA
7-36	YUMA VALLEY