Water quality in California
1000 cities on record · most contaminated: Fresno.
Fresno
California
Source: Groundwater & Kings River
Fresno has addressed DBCP and uranium in groundwater wells across the metro area.
View water reportLos Angeles
California
San Diego
California
San Jose
California
San Francisco
California
Sacramento
California
Long Beach
California
Oakland
California
Bakersfield
California
Stockton
California
Riverside
California
Hinkley
California
Corning
California
South Pasadena
California
Colusa
California
Bear River - Tish Non Village
California
Santa Monica
California
Galt
California
Modesto
California
Corona
California
El Segundo
California
Campo Indian Reservation
California
Chino Hills
California
Bermuda Palms Resort
California
Wheatland
California
La Verne
California
Bell Gardens
California
Lockhart
California
Sebastopol
California
Shingle Springs
California
Big Sandy Rancheria
California
Hoopa
California
Santa Rosa Rancheria
California
Midway City
California
Kingsburg
California
Kettleman City
California
Crescent City
California
Fountain Valley
California
San Simeon
California
Tule River Reservation
California
Gonzales
California
Ukiah
California
Watsonville
California
Ontario
California
American Canyon
California
Hemet
California
Woodland
California
Lathrop
California
Patterson
California
Norwalk
California
Banning
California
Napa
California
Whittier
California
Live Oak
California
Cloverdale
California
Beverly Hills
California
San Jacinto
California
Loma Linda
California
Tehama
California
Lompoc
California
Montague
California
Red Bluff
California
Woodfords
California
West Sacramento
California
Merced
California
Avenal
California
Orange
California
Westmorland
California
Redwood City
California
Downey
California
Newport Beach
California
Trinidad
California
Hughson
California
Petaluma
California
Williams
California
Torrance
California
Ceres
California
Orange Cove
California
Coalinga
California
Huntington Beach
California
Daly City
California
Grass Valley
California
Fairfield
California
La Puente
California
Table Mountain
California
Montebello
California
Hawthorne
California
Rio Vista
California
Pittsburg
California
El Centro
California
Alpine
California
Fullerton
California
San Bruno
California
Needles
California
Livermore
California
Eureka
California
Coachella
California
Mendota
California
Pleasanton
California
Butte City
California
Soledad
California
Milpitas
California
Fowler
California
Martinez
California
Plymouth
California
Oceanside
California
Brea
California
Escalon
California
Fortuna
California
Burlingame
California
Seal Beach
California
San Clemente
California
Chino
California
Dorris
California
Turlock
California
Morgan Hill
California
Biggs
California
La Palma
California
Newman
California
Gustine
California
Dinuba
California
Del Mar
California
Brentwood
California
Monrovia
California
Calistoga
California
Burbank
California
Arcata
California
Calexico
California
Cupertino
California
Fort Bragg
California
Tustin
California
Poway
California
Santa Ana
California
Howonquet Community
California
Atwater
California
Lodi
California
South Gate
California
Blue Lake
California
Davis
California
Healdsburg
California
Garden Grove
California
Cold Springs Rancheria
California
Bishop
California
Redding
California
Winters
California
Nevada City
California
Lone Pine Reservation
California
Bishop Paiute-Shoshone Reservation
California
Alhambra
California
Paramount
California
Barona North Reservation
California
Glendora
California
San Bernardin0
California
Pomona
California
Compton
California
Tehachapi
California
Oakdale
California
Greenfield
California
Lincoln
California
Mountain View
California
Rialto
California
Clovis
California
Tahoe City
California
Lynwood
California
Delano
California
Lomita
California
Big Pine Reservation
California
Hanford
California
Vallejo
California
Ventura
California
Palo Alto
California
Angels Camp
California
Porterville
California
Tulare
California
Hollister
California
Los Banos
California
Santa Clara
California
Upland
California
Norco
California
Cerritos
California
Lindsay
California
Etna
California
Menlo Park
California
East Palo Alto
California
Rohnert Park
California
Tulelake
California
California City
California
Sonoma
California
Santa Barbara
California
Susanville Upper Rancheria
California
Escondido
California
Weed
California
Sierra City
California
Brawley
California
Montgomery Creek Rancheria
California
Pit River Tribe
California
Dos Palos
California
Sonora
California
San Fernando
California
Glendale
California
Mcfarland
California
Gridley
California
Manhattan Beach
California
Dunsmuir
California
Buena Park
California
Roseville
California
Pico Rivera
California
Chowchilla
California
Saugus
California
Yreka
California
Lakewood
California
Pasadena
California
Acalanes Ridge
California
Acampo
California
Acton
California
Adin
California
Agua Dulce
California
Aguanga
California
Ahwahnee
California
Airport
California
Alamo
California
Albion
California
Alderpoint
California
Alhambra Valley
California
Alleghany
California
Allendale
California
Allensworth
California
Almanor
California
Alondra Park
California
Alpaugh
California
Alpine Village
California
Alta
California
Altadena
California
Alta Sierra
California
Alto
California
Alum Rock
California
Amador Pines
California
Amesti
California
Anchor Bay
California
Angwin
California
Antelope
California
Anza
California
Aptos
California
Aptos Hills-Larkin Valley
California
Arbuckle
California
Arden-Arcade
California
Armona
California
Arnold
California
Aromas
California
Artois
California
Ashland
California
Aspen Springs
California
Auberry
California
Auburn Lake Trails
California
August
California
Avery
California
Avila Beach
California
Avocado Heights
California
Baker
California
Bakersfield Country Club
California
Ballard
California
Ballico
California
Bangor
California
Bass Lake
California
Bay Point
California
Bayview
California
Baywood Park
California
Beale AFB
California
Bear Creek
California
Bear Valley
California
Bear Valley Springs
California
Beckwourth
California
Belden
California
Bella Vista
California
Bell Canyon
California
Benbow
California
Bend
California
Ben Lomond
California
Benton
California
Benton Park
California
Bermuda Dunes
California
Berry Creek
California
Bertsch-Oceanview
California
Bethel Island
California
Bieber
California
Big Bend
California
Big Creek
California
Big Lagoon
California
Big Pine
California
Biola
California
Blackhawk
California
Blacklake
California
Black Point-Green Point
California
Blairsden
California
Bloomfield
California
Bloomington
California
Bluewater
California
Bodega
California
Bodega Bay
California
Bodfish
California
Bolinas
California
Bombay Beach
California
Bonadelle Ranchos
California
Bonita
California
Bonny Doon
California
Bonsall
California
Boonville
California
Bootjack
California
Boron
California
Boronda
California
Borrego Springs
California
Bostonia
California
Boulder Creek
California
Boulevard
California
Bowles
California
Boyes Hot Springs
California
Bradley
California
Bret Harte
California
Bridgeport
California
Broadmoor
California
Brookdale
California
Brooks
California
Brooktrails
California
Buckhorn
California
Buck Meadows
California
Bucks Lake
California
Buena Vista
California
Burney
California
Burnt Ranch
California
Butte Creek Canyon
California
Butte Meadows
California
Butte Valley
California
Buttonwillow
California
Byron
California
Bystrom
California
Cabazon
California
California Hot Springs
California
California Pines
California
California Polytechnic State University
California
Callender
California
Calpella
California
Calpine
California
Calwa
California
Camanche North Shore
California
Camanche Village
California
Cambria
California
Cambrian Park
California
Cameron Park
California
Camino
California
Camino Tassajara
California
Camp Nelson
California
Campo
California
Campo Seco
California
Camp Pendleton Mainside
California
Camp Pendleton South
California
Camptonville
California
Canby
California
Cantua Creek
California
Canyondam
California
Caribou
California
Carmel Valley Village
California
Carmet
California
Carmichael
California
Carnelian Bay
California
Carrick
California
Cartago
California
Caruthers
California
Casa Conejo
California
Casa de Oro-Mount Helix
California
Casa Loma
California
Casmalia
California
Caspar
California
Cassel
California
Castaic
California
Castella
California
Castle Hill
California
Castro Valley
California
Castroville
California
Catheys Valley
California
Cayucos
California
Cazadero
California
Cedar Flat
California
Cedar Ridge
California
Cedar Slope
California
Cedarville
California
Centerville
California
Chalfant
California
Challenge-Brownsville
California
Channel Islands Beach
California
Charleston View
California
Charter Oak
California
Cherokee
California
Cherokee Strip
California
Cherryland
California
Cherry Valley
California
Chester
California
Chilcoot-Vinton
California
China Lake Acres
California
Chinese Camp
California
Choctaw Valley
California
Chualar
California
Citrus
California
Clarksburg
California
Clay
California
Clear Creek
California
Clearlake Oaks
California
Clearlake Riviera
California
Cleone
California
Clio
California
Clipper Mills
California
Clyde
California
Coarsegold
California
Cobb
California
Coffee Creek
California
Cohasset
California
Cold Springs
California
Coleville
California
College City
California
Collierville
California
Coloma
California
Columbia
California
Comptche
California
Concow
California
Contra Costa Centre
California
Copperopolis
California
Coronita
California
Corralitos
California
Coto de Caza
California
Cottonwood
California
Coulterville
California
Country Club
California
Courtland
California
Covelo
California
Cowan
California
Crescent Mills
California
Cressey
California
Crest
California
Crestline
California
Creston
California
C-Road
California
Crockett
California
Cromberg
California
Crowley Lake
California
Crows Landing
California
Cutler
California
Cutten
California
Cuyama
California
Dales
California
Daphnedale Park
California
Darwin
California
Davenport
California
Day Valley
California
Deer Park
California
Del Aire
California
Del Dios
California
Delft Colony
California
Delhi
California
Delleker
California
Del Monte Forest
California
Del Rey
California
Del Rio
California
Denair
California
Derby Acres
California
Descanso
California
Desert Center
California
Desert Edge
California
Desert Palms
California
Desert Shores
California
Desert View Highlands
California
Diablo
California
Diablo Grande
California
Diamond Springs
California
Di Giorgio
California
Dillon Beach
California
Discovery Bay
California
Dixon Lane-MeadowCreek
California
Dobbins
California
Dogtown
California
Dollar Point
California
Dorrington
California
Dos Palos Y
California
Douglas City
California
Douglas Flat
California
Downieville
California
Doyle
California
Drytown
California
Ducor
California
Dunnigan
California
Durham
California
Dustin Acres
California
Dutch Flat
California
Eagleville
California
Earlimart
California
East Bakersfield
California
Eastern Goleta Valley
California
East Foothills
California
East Hemet
California
East Los Angeles
California
East Nicolaus
California
East Niles
California
East Oakdale
California
Easton
California
East Orosi
California
East Pasadena
California
East Porterville
California
East Quincy
California
East Rancho Dominguez
California
East Richmond Heights
California
East San Gabriel
California
East Shore
California
East Sonora
California
East Tulare Villa
California
East Whittier
California
Edgewood
California
Edison
California
Edmundson Acres
California
Edna
California
Edwards AFB
California
El Adobe
California
El Centro Naval Air Facility
California
El Cerrito
California
El Dorado Hills
California
Eldridge
California
Elfin Forest
California
El Granada
California
Elizabeth Lake
California
Elk Creek
California
Elkhorn
California
El Macero
California
Elmira
California
El Monte Mobile Village
California
El Nido
California
El Portal
California
El Rancho
California
El Rio
California
El Sobrante
California
El Verano
California
Elverta
California
Emerald Lake Hills
California
Empire
California
Esparto
California
Eucalyptus Hills
California
Fairbanks Ranch
California
Fairfax
California
Fairhaven
California
Fairmead
California
Fair Oaks
California
Fairview
California
Fallbrook
California
Fall River Mills
California
Farmington
California
Fellows
California
Felton
California
Fetters Hot Springs-Agua Caliente
California
Fiddletown
California
Fieldbrook
California
Fields Landing
California
Fish Camp
California
Florence-Graham
California
Florin
California
Floriston
California
Flournoy
California
Foothill Farms
California
Forbestown
California
Ford City
California
Foresta
California
Foresthill
California
Forest Meadows
California
Forest Ranch
California
Forestville
California
Fort Bidwell
California
Fort Dick
California
Fort Hunter Liggett
California
Fort Irwin
California
Fort Washington
California
Franklin
California
Frazier Park
California
Freedom
California
Freeport
California
French Camp
California
French Gulch
California
French Valley
California
Friant
California
Fruitdale
California
Fruitridge Pocket
California
Fuller Acres
California
Fulton
California
Furnace Creek
California
Garberville
California
Garden Acres
California
Garden Farms
California
Garey
California
Garnet
California
Gasquet
California
Gazelle
California
Georgetown
California
Gerber
California
Geyserville
California
Glencoe
California
Glen Ellen
California
Glennville
California
Golden Hills
California
Gold Mountain
California
Gold River
California
Good Hope
California
Goodmanville
California
Goodyears Bar
California
Goshen
California
Graeagle
California
Grangeville
California
Granite Bay
California
Granite Hills
California
Graniteville
California
Graton
California
Grayson
California
Greeley Hill
California
Greenacres
California
Green Acres
California
Greenhorn
California
Green Valley
California
Greenview
California
Greenville
California
Grenada
California
Grimes
California
Grizzly Flats
California
Groveland
California
Guerneville
California
Guinda
California
Hacienda Heights
California
Hamilton Branch
California
Happy Camp
California
Happy Valley
California
Harbison Canyon
California
Hardwick
California
Harmony Grove
California
Hartland
California
Hartley
California
Hasley Canyon
California
Hat Creek
California
Hathaway Pines
California
Hayfork
California
Heber
California
Herald
California
Herlong
California
Hickman
California
Hidden Meadows
California
Hidden Valley Lake
California
Highgrove
California
Highlands
California
Hillcrest
California
Hilmar-Irwin
California
Hiouchi
California
Home Garden
California
Home Gardens
California
Homeland
California
Homestead Valley
California
Homewood Canyon
California
Honcut
California
Hood
California
Hopland
California
Hornbrook
California
Hornitos
California
Humboldt Hill
California
Hyampom
California
Hydesville
California
Hypericum
California
Idlewild
California
Idyllwild-Pine Cove
California
Igo
California
Independence
California
Indian Falls
California
Indianola
California
Indio Hills
California
Interlaken
California
Inverness
California
Inyokern
California
Iron Horse
California
Isla Vista
California
Ivanhoe
California
Jacumba
California
Jamestown
California
Jamul
California
Janesville
California
Jenner
California
Johannesburg
California
Johnson Park
California
Johnstonville
California
Johnsville
California
Jones Valley
California
Joshua Tree
California
Jovista
California
Julian
California
Junction City
California
June Lake
California
Keddie
California
Keeler
California
Keene
California
Kelly Ridge
California
Kelseyville
California
Kennedy
California
Kennedy Meadows
California
Kensington
California
Kentfield
California
Kenwood
California
Kep'el
California
Kernville
California
Keswick
California
Keyes
California
Kings Beach
California
Kingvale
California
Kirkwood
California
Klamath
California
Knightsen
California
Knights Ferry
California
Knights Landing
California
La Crescenta-Montrose
California
La Cresta
California
Ladera
California
Ladera Heights
California
Ladera Ranch
California
La Grange
California
Lagunitas-Forest Knolls
California
La Honda
California
Lake Almanor Country Club
California
Lake Almanor Peninsula
California
Lake Almanor West
California
Lake Arrowhead
California
Lake California
California
Lake City
California
Lake Davis
California
Lake Don Pedro
California
Lakehead
California
Lake Hughes
California
Lake Isabella
California
Lakeland Village
California
Lake Los Angeles
California
Lake Mathews
California
Lake Nacimiento
California
Lake of the Pines
California
Lake of the Woods
California
Lake Riverside
California
Lake San Marcos
California
Lake Shastina
California
Lake Sherwood
California
Lakeside
California
Lakeview
California
Lake Wildwood
California
Lamont
California
Lanare
California
La Porte
California
La Presa
California
La Riviera
California
Larkfield-Wikiup
California
La Selva Beach
California
Las Flores
California
Las Lomas
California
Laton
California
La Vina
California
Laytonville
California
Lebec
California
Lee Vining
California
Leggett
California
Le Grand
California
Lemon Cove
California
Lemon Hill
California
Lemoore Station
California
Lennox
California
Lenwood
California
Leona Valley
California
Lewiston
California
Lexington Hills
California
Likely
California
Lincoln Village
California
Linda
California
Lindcove
California
Linden
California
Linnell Camp
California
Litchfield
California
Little Grass Valley
California
Little River
California
Littlerock
California
Little Valley
California
Lockeford
California
Lockwood
California
Lodoga
California
Loleta
California
Loma Mar
California
Loma Rica
California
Lompico
California
London
California
Lone Pine
California
Long Barn
California
Lookout
California
Los Alamos
California
Los Berros
California
Los Molinos
California
Los Olivos
California
Los Osos
California
Los Ranchos
California
Lost Hills
California
Lower Lake
California
Loyola
California
Lucas Valley-Marinwood
California
Lucerne
California
Lucerne Valley
California
Lytle Creek
California
Mabie
California
McArthur
California
McClellan Park
California
McClenney Tract
California
McCloud
California
Macdoel
California
McGee Creek
California
McKinleyville
California
McKittrick
California
McSwain
California
Madeline
California
Madera Acres
California
Madera Ranchos
California
Madison
California
Mad River
California
Magalia
California
Malaga
California
Manchester
California
Manila
California
Manton
California
March ARB
California
Marina del Rey
California
Marin City
California
Mariposa
California
Markleeville
California
Martell
California
Matheny
California
Mather
California
Maxwell
California
Mayfair
California
Mayflower Village
California
Meadowbrook
California
Meadow Valley
California
Meadow Vista
California
Mead Valley
California
Mecca
California
Meiners Oaks
California
Mendocino
California
Mentone
California
Meridian
California
Mesa
California
Mesa Verde
California
Mesa Vista
California
Mettler
California
Mexican Colony
California
Meyers
California
Middletown
California
Midpines
California
Milford
California
Millerton
California
Millville
California
Mineral
California
Minkler
California
Mira Monte
California
Miranda
California
Mission Canyon
California
Mission Hills
California
Mi-Wuk Village
California
Modjeska
California
Mohawk Vista
California
Mojave
California
Mokelumne Hill
California
Monmouth
California
Mono City
California
Mono Vista
California
Monson
California
Montalvin Manor
California
Montara
California
Montecito
California
Monterey Park Tract
California
Monte Rio
California
Montgomery Creek
California
Monument Hills
California
Morada
California
Morongo Valley
California
Moskowite Corner
California
Moss Beach
California
Moss Landing
California
Mountain Center
California
Mountain Gate
California
Mountain House
California
Mountain Meadows
California
Mountain Mesa
California
Mountain Ranch
California
Mountain View Acres
California
Mt. Bullion
California
Mount Hebron
California
Mount Hermon
California
Mount Laguna
California
Muir Beach
California
Murphys
California
Muscoy
California
Myers Flat
California
Myrtletown
California
Newcastle
California
New Cuyama
California
Newell
California
New Pine Creek
California
Nicasio
California
Nice
California
Nicolaus
California
Niland
California
Nipinnawasee
California
Nipomo
California
Nord
California
Norris Canyon
California
North Auburn
California
North Edwards
California
North El Monte
California
North Fair Oaks
California
North Fork
California
North Gate
California
North Highlands
California
North Lakeport
California
North Richmond
California
North San Juan
California
North Shore
California
North Tustin
California
Nubieber
California
Nuevo
California
Oak Glen
California
Oak Hills
California
Oakhurst
California
Oak Park
California
Oak Run
California
Oak Shores
California
Oak View
California
Oakville
California
Oasis
California
Occidental
California
Oceano
California
Ocotillo
California
Oildale
California
Olancha
California
Olde Stockdale
California
Old Fig Garden
California
Old River
California
Old Station
California
Old Stine
California
Olivehurst
California
Ono
California
Onyx
California
Orange Blossom
California
Orangevale
California
Orcutt
California
Orick
California
Orosi
California
Oroville East
California
Pacheco
California
Pajaro
California
Pajaro Dunes
California
Pala
California
Palermo
California
Palo Cedro
California
Paloma
California
Palo Verde
California
Panorama Heights
California
Paradise
California
Paradise Park
California
Parklawn
California
Parksdale
California
Parkway
California
Parkwood
California
Pasatiempo
California
Paskenta
California
Patterson Tract
California
Patton Village
California
Paxton
California
Paynes Creek
California
Pearsonville
California
Penngrove
California
Penn Valley
California
Penryn
California
Pepperdine University
California
Pescadero
California
Petaluma Center
California
Peters
California
Phelan
California
Phillipsville
California
Philo
California
Phoenix Lake
California
Pierpoint
California
Pike
California
Pine Canyon
California
Pine Flat
California
Pine Grove
California
Pine Hills
California
Pine Mountain Club
California
Pine Mountain Lake
California
Pine Valley
California
Piñon Hills
California
Pioneer
California
Piru
California
Pixley
California