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EWG's Tap Water Database — 2021 UPDATE

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Utility name City People served
Alameda County Water District Fremont Population served: 340,000
Alco Water Service Salinas Population served: 29,179
Apple Valley Ranchos Water Company Apple Valley Population served: 62,602
Arroyo Grande,Water Department Arroyo Grande Population served: 17,064
Arvin Community Services District Arvin Population served: 19,000
Atascadero Mutual Water Company Atascadero Population served: 30,332
Azusa Light and Water Azusa Population served: 110,000
Beaumont Cherry Valley WD Beaumont Population served: 44,000
Bella Vista Water District Redding Population served: 18,426
Bellflower - Somerset MWC Bellflower Population served: 46,000
Beverly Hills Water Department Beverly Hills Population served: 44,290
Big Bear City CSD Big Bear City Population served: 12,411
Burbank Water Department Burbank Population served: 105,543
Cal American Water Company Newbury Park Population served: 61,206
Cal-am Water Company - Duarte Rosemead Population served: 21,589
Cal-water Service Company - Chico Chico Population served: 100,435
Cal-water Service Company - Marysville Chico Population served: 12,017
Cal/am Water Company - Baldwin Hills Rosemead Population served: 18,397
Cal/Am Water Company - San Marino Rosemead Population served: 40,804
Calif State Polytechnical Univ - Pomona Pomona Population served: 24,880
California American Water Company - Antelope Sacramento Population served: 34,168
California American Water Company - Coronado Imperial Beach Population served: 96,000
California American Water Company - Lincoln Oaks Sacramento Population served: 46,606
California American Water Company - Monterey Monterey Population served: 96,754
California American Water Company - Parkway Sacramento Population served: 44,949
California American Water Company - Suburban Sacramento Population served: 111,768
California State Fair Sacramento Population served: 90,000
California State University Fresno Fresno Population served: 23,000
California Water Service (CWS) - Bakersfield San Jose Population served: 246,371
California Water Service (CWS) - King City San Jose Population served: 14,441
California Water Service (CWS) - Los Altos Suburban San Jose Population served: 68,404
California Water Service (CWS) - North Garden San Jose Population served: 24,167
California Water Service (CWS) - Salinas San Jose Population served: 106,858
California Water Service (CWS) - Selma San Jose Population served: 24,587
California Water Service (CWS) - Visalia San Jose Population served: 135,923
California Water Service - Bear Gulch San Jose Population served: 58,432
California Water Service - Livermore Livermore Population served: 56,700
California Water Service - San Carlos San Jose Population served: 29,554
California Water Service - San Mateo San Jose Population served: 101,004
California Water Service - South San Francisco San Jose Population served: 56,110
California Water Service - Stockton San Jose Population served: 185,346
California Water Service Company - Dominguez San Jose Population served: 142,111
California Water Service Company - East Los Angeles San Jose Population served: 150,446
California Water Service Company - Hermosa / Redondo Beach San Jose Population served: 95,605
California Water Service Company - Palos Verde San Jose Population served: 69,883
California Water Service Company - Westlake San Jose Population served: 19,451
Camarillo Water Department Camarillo Population served: 45,500
Camp Pendleton (North) Camp Pendleton Population served: 15,600
Camp Pendleton (South) Camp Pendleton Population served: 39,400
Camrosa Water District Camarillo Population served: 30,000
Carmichael Water District Carmichael Population served: 40,000
Carpinteria Valley Water District Carpinteria Population served: 16,050
CCWD Ebbetts Pass Improvement District San Andreas Population served: 14,340
CCWD, Jenny Lind San Andreas Population served: 10,170
Cerritos - City, Water Department Cerritos Population served: 49,041
Chowchilla City Water Department Chowchilla Population served: 11,759
Citrus Heights Water District Citrus Heights Population served: 66,500
City of Adelanto Adelanto Population served: 31,765
City of Alhambra Alhambra Population served: 84,679
City of American Canyon American Canyon Population served: 20,082
City of Anaheim Anaheim Population served: 450,000
City of Anderson Anderson Population served: 11,127
City of Antioch Antioch Population served: 103,833
City of Arcadia Arcadia Population served: 57,639
City of Arcata Arcata Population served: 16,651
City of Atwater Atwater Population served: 29,050
City of Avenal Avenal Population served: 16,236
City of Bakersfield Bakersfield Population served: 138,309
City of Banning Banning Population served: 29,965
City of Benicia Benicia Population served: 28,000
City of Blythe Blythe Population served: 12,155
City of Brawley Brawley Population served: 51,793
City Of Brea Brea Population served: 41,394
City of Brentwood Brentwood Population served: 53,278
City of Buena Park Buena Park Population served: 82,450
City of Burlingame Burlingame Population served: 29,867
City of Calexico Calexico Population served: 38,572
City of California City California City Population served: 14,212
City of Carlsbad Carlsbad Population served: 84,838
City of Ceres Ceres Population served: 42,666
City of Chino Chino Population served: 18,907
City of Chino Hills Chino Hills Population served: 75,655
City of Clovis Clovis Population served: 103,871
City of Colton Colton Population served: 52,086
City of Corcoran Corcoran Population served: 24,813
City of Corona Corona Population served: 155,896
City of Crescent City Crescent City Population served: 14,000
City of Cupertino San Jose Population served: 14,207
City of Daly City Daly City Population served: 102,593
City of Davis Davis Population served: 67,298
City of Delano Delano Population served: 49,800
City of Dinuba Dinuba Population served: 23,666
City of East Palo Alto East Palo Alto Population served: 28,000
City of El Centro El Centro Population served: 42,595
City of Escondido Escondido Population served: 145,901
City of Eureka Eureka Population served: 28,344
City of Exeter Exeter Population served: 10,539
City of Fairfield Fairfield Population served: 100,147
City of Farmersville Farmersville Population served: 10,908
City of Folsom Folsom Population served: 54,871
City of Fortuna Fortuna Population served: 11,649
City of Fountain Valley Fountain Valley Population served: 56,464
City of Fresno Fresno Population served: 522,352
City of Fullerton Fullerton Population served: 138,251
City of Galt Galt Population served: 22,982
City of Garden Grove Garden Grove Population served: 170,883
City of Gilroy Gilroy Population served: 39,050
City of Greenfield Greenfield Population served: 17,898
City of Hanford Hanford Population served: 55,880
City of Hayward Hayward Population served: 146,398
City of Healdsburg Healdsburg Population served: 11,541
City of Hemet Hemet Population served: 20,212
City of Hollister Hollister Population served: 36,108
City of Huntington Beach Huntington Beach Population served: 201,000
City of Imperial Imperial Population served: 16,145
City of Inglewood Inglewood Population served: 82,500
City of Kerman Kerman Population served: 14,068
City of Kingsburg Kingsburg Population served: 11,504
City of La Habra La Habra Population served: 60,239
City of La Palma La Palma Population served: 16,500
City of Lakeport Lakeport Population served: 10,200
City of Lathrop Lathrop Population served: 12,427
City of Lemoore Lemoore Population served: 24,945
City of Lincoln Lincoln Population served: 45,206
City of Lindsay Lindsay Population served: 13,445
City of Livermore Livermore Population served: 27,000
City of Livingston Livingston Population served: 14,894
City of Lodi Lodi Population served: 63,395
City of Loma Linda Loma Linda Population served: 23,261
City of Los Banos Los Banos Population served: 37,168
City of Madera Madera Population served: 63,105
City of Manteca Manteca Population served: 66,451
City of Martinez Martinez Population served: 35,375
City of McFarland Mcfarland Population served: 12,333
City of Mendota Mendota Population served: 11,104
City of Menlo Park Menlo Park Population served: 14,139
City of Merced Merced Population served: 81,130
City of Millbrae Millbrae Population served: 21,500
City of Milpitas Milpitas Population served: 70,092
City of Modesto Modesto Population served: 212,000
City of Modesto, Salida Modesto Population served: 24,440
City of Morgan Hill Morgan Hill Population served: 41,779
City of Mountain View Mountain View Population served: 76,000
City of Napa Napa Population served: 172,102
City of Newman Water Department Newman Population served: 10,586
City of Newport Beach Newport Beach Population served: 64,465
City of Norco Norco Population served: 27,160
City of Oakdale Oakdale Population served: 19,250
City of Oceanside Oceanside Population served: 171,183
City of Orange Orange Population served: 138,640
City of Palo Alto Palo Alto Population served: 62,000
City of Parlier Parlier Population served: 12,058
City of Patterson Patterson Population served: 20,560
City of Petaluma Petaluma Population served: 55,900
City of Pittsburg Pittsburg Population served: 62,500
City of Pleasanton Pleasanton Population served: 73,067
City of Porterville Porterville Population served: 55,107
City of Poway Poway Population served: 96,973
City of Red Bluff Red Bluff Population served: 14,025
City of Redding Redding Population served: 91,207
City of Redwood City Redwood City Population served: 84,557
City of Reedley Reedley Population served: 24,842
City of Rialto Rialto Population served: 48,623
City of Ripon Ripon Population served: 14,915
City of Riverbank Riverbank Population served: 22,201
City of Riverside Riverside Population served: 303,871
City of Rohnert Park Rohnert Park Population served: 40,971
City of Roseville Roseville Population served: 119,000
City of Sacramento Main Sacramento Population served: 486,189
City of San Bruno San Bruno Population served: 40,165
City of San Clemente San Clemente Population served: 50,960
City of San Diego San Diego Population served: 1,326,200
City of San Jacinto San Jacinto Population served: 14,435
City of San Jose - EVG/EDV/COY San Jose Population served: 93,300
City of San Jose - NSJ/Alviso San Jose Population served: 15,300
City of San Juan Capistrano San Juan Capistrano Population served: 40,000
City of Sanger Sanger Population served: 25,664
City of Santa Ana Santa Ana Population served: 329,815
City of Santa Barbara Water Department Santa Barbara Population served: 92,371
City of Santa Clara Santa Clara Population served: 117,200
City of Santa Rosa Santa Rosa Population served: 170,236
City of Seal Beach Seal Beach Population served: 24,157
City of Shafter Shafter Population served: 16,928
City of Shasta Lake Shasta Lake Population served: 10,246
City of Soledad Soledad Population served: 16,729
City of Sonoma Sonoma Population served: 10,807
City of South Pasadena South Pasadena Population served: 25,899
City of Stockton Lodi Population served: 171,687
City of Sunnyvale Sunnyvale Population served: 147,055
City of Torrance Water Department Torrance Population served: 145,438
City of Tracy Tracy Population served: 82,000
City of Tulare Tulare Population served: 60,823
City of Turlock Turlock Population served: 64,215
City of Tustin Tustin Population served: 69,100
City of Ukiah Ukiah Population served: 16,185
City of Upland Upland Population served: 78,791
City of Vacaville Elmira Population served: 96,735
City of Vallejo Vallejo Population served: 118,470
City of Wasco Wasco Population served: 21,170
City of Watsonville Watsonville Population served: 65,739
City of West Sacramento Sacramento Population served: 46,500
City of Westminster Westminster Population served: 91,169
City of Woodland Woodland Population served: 56,464
City of Yuba City Yuba City Population served: 65,372
Coachella Valley Water District: Cove Community Palm Desert Population served: 198,544
Coachella Water Authority Coachella Population served: 41,904
Coalinga Coalinga Population served: 19,362
Coastside County Water District Half Moon Bay Population served: 18,871
Compton Water Department Compton Population served: 81,963
Contra Costa Water District Concord Population served: 198,000
Covina Water Department Covina Population served: 33,300
Crescenta Valley CWD La Crescenta Population served: 32,000
Cucamonga Valley Water District Rancho Cucamonga Population served: 190,308
Del Oro Water Company - Paradise Pines Chico Population served: 11,405
Desert Water Agency Palm Springs Population served: 83,710
Diablo Water District Oakley Population served: 36,014
Downey Water Department Downey Population served: 111,930
Dublin San Ramon Services District Dublin Population served: 75,924
East Bay Municipal Utility District Oakland Population served: 1,379,000
East Niles CSD Bakersfield Population served: 26,000
East Pasadena Water Company Pasadena Population served: 10,978
East Valley Water District Highland Population served: 87,000
Eastern Municipal Water District Perris Population served: 512,711
Edwards AFB - Main Base Edwards AFB Population served: 11,004
El Dorado ID - Main Placerville Population served: 112,000
El Monte Water Department El Monte Population served: 22,968
El Segundo Water Department El Segundo Population served: 16,654
El Toro Water District Lake Forest Population served: 48,628
Elk Grove Water Service Elk Grove Population served: 40,461
Elsinore Valley Municipal Water District Lake Elsinore Population served: 142,264
Estero Municipal Improvement District Foster City Population served: 35,000
Fair Oaks Water District Fair Oaks Population served: 40,000
Fallbrook PUD Fallbrook Population served: 34,096
Fillmore Water Department Fillmore Population served: 15,222
Fisherman's Retreat Redlands Population served: 30,000
Fruitridge Vista Water Company Sacramento Population served: 15,000
Glendale Water Department Glendale Population served: 195,799
Glendora Water Department Glendora Population served: 45,300
Golden State Water Company (GSWC) - Artesia Rancho Cordova Population served: 47,978
Golden State Water Company (GSWC) - Bell, Bell Gardens Rancho Cordova Population served: 57,934
Golden State Water Company (GSWC) - Claremont San Dimas Population served: 37,160
Golden State Water Company (GSWC) - Culver City Rancho Cordova Population served: 36,215
Golden State Water Company (GSWC) - Florence/Graham Rancho Cordova Population served: 65,492
Golden State Water Company (GSWC) - Norwalk Rancho Cordova Population served: 44,466
Golden State Water Company (GSWC) - San Dimas San Dimas Population served: 54,872
Golden State Water Company (GSWC) - South Arcadia San Dimas Population served: 26,827
Golden State Water Company (GSWC) - South San Gabriel San Dimas Population served: 27,656
Golden State Water Company (GSWC) - Southwest Gardena Population served: 271,677
Golden State Water Company (GSWC) -Willowbrook Rancho Cordova Population served: 10,771
Golden State Water Company - Barstow Apple Valley Population served: 33,554
Golden State Water Company - Bay Point Rancho Cordova Population served: 22,258
Golden State Water Company - Clearlake System Rancho Cordova Population served: 11,692
Golden State Water Company - Cordova Rancho Cordova Population served: 47,810
Golden State Water Company - Orcutt Los Osos Population served: 29,543
Golden State Water Company - Simi Los Osos Population served: 40,638
Golden State Water Company - West Orange Anaheim Population served: 114,016
Golden State WC - Placentia Anaheim Population served: 36,374
Goleta Water District Goleta Population served: 86,946
Great Oaks Water Company Inc. San Jose Population served: 99,199
Grover Beach Water Department Grover Beach Population served: 13,156
Hawthorne Water Department San Jose Population served: 43,545
Helix Water District La Mesa Population served: 267,922
Hesperia Water District Hesperia Population served: 91,627
Hi Desert WD Yucca Valley Population served: 23,760
Hillsborough Water Department Hillsborough Population served: 11,260
Humboldt Bay MWD Eureka Population served: 80,000
Humboldt CSD Cutten Population served: 19,000
Huntington Park Water Department Huntington Park Population served: 17,209
Indian Wells Valley WD Ridgecrest Population served: 29,000
Indio Water Authority Indio Population served: 77,780
Irvine Ranch Water District Irvine Population served: 370,000
Jurupa Community Services District Jurupa Valley Population served: 106,907
La Verne WD La Verne Population served: 32,230
Laguna Beach County WD Laguna Beach Population served: 50,000
Lake Arrowhead CSD Lake Arrowhead Population served: 12,424
Lake Hemet Municipal Water District Hemet Population served: 50,001
Lakeside WD Lakeside Population served: 42,200
Lakewood Water Department Lakewood Population served: 59,081
Lamont Public Utility District Bakersfield Population served: 18,290
Las Virgenes Municipal Water District Calabasas Population served: 75,384
Lemoore Naval Air Station Nas Lemoore Population served: 11,500
Liberty Utilities - Bellflower - Norwalk Downey Population served: 72,884
Lincoln Avenue Water Company Altadena Population served: 16,000
Linda County Water District Marysville Population served: 13,800
Loma Linda Power Plant Loma Linda Population served: 10,500
Lomita Water Department Lomita Population served: 20,256
Lompoc Water Utility Division Lompoc Population served: 39,846
Long Beach Water Department Long Beach Population served: 470,292
Los Angeles County WW District 29 & 80-Malib Alhambra Population served: 31,040
Los Angeles County WW District 4 & 34-Lancaster Alhambra Population served: 180,131
Los Angeles County WW District 40 Reg 38 Lake Los Angeles Alhambra Population served: 13,600
Los Angeles CWWD 40, R24, 27,33-Pearblsm Alhambra Population served: 10,557
Los Angeles Department of Water and Power Los Angeles Population served: 3,935,257
Lynwood Water Department Lynwood Population served: 71,297
Manhattan Beach Water Department Manhattan Beach Population served: 35,726
Marin Municipal Water District Corte Madera Population served: 195,362
Marina Coast Water District Marina Population served: 31,218
McKinleyville CSD Mckinleyville Population served: 15,132
Mesa Water District Costa Mesa Population served: 108,000
Mid-Peninsula Water District Belmont Population served: 28,050
Mission Springs WD Desert Hot Springs Population served: 34,626
Monrovia Water Department Monrovia Population served: 36,590
Monte Vista Water District Montclair Population served: 54,460
Montebello Land & Water Company Montebello Population served: 32,219
Montecito Water District Santa Barbara Population served: 13,500
Monterey Park Water Department Monterey Park Population served: 62,183
Morro Bay PW Department - Water Division Morro Bay Population served: 10,327
Moulton Niguel Water District Laguna Niguel Population served: 169,274
Mountain House Community Services District Mountain House Population served: 12,940
Naval Base Ventura County, Port Hueneme Point Mugu Population served: 11,500
Nevada ID - E. George, Banner Mountain Grass Valley Population served: 12,939
Nevada ID - Loma Rica Grass Valley Population served: 11,778
Newhall CWD-Newhall Santa Clarita Population served: 12,487
Nipomo Comm. Services District Nipomo Population served: 10,867
North Coast County Water District Pacifica Population served: 38,292
North Marin Water District Novato Population served: 61,500
Norwalk Water Department Norwalk Population served: 18,372
Oak Park Water Service Ventura Population served: 12,200
Oildale MWC Oildale Population served: 26,000
Olivehurst Public UD Olivehurst Population served: 13,738
Olivenhain Municipal Water District Encinitas Population served: 63,000
Ontario Municipal Utilities Company Ontario Population served: 167,382
Orange Vale Water Company Orangevale Population served: 15,200
Orchard Dale Water District Whittier Population served: 22,492
Otay Water District Spring Valley Population served: 213,000
Oxnard Water Department Oxnard Population served: 200,855
Padre Dam Municipal Water District Santee Population served: 96,589
Palmdale Water District Palmdale Population served: 116,183
Paradise Irrigation District Paradise Population served: 26,299
Paramount Water Department Paramount Population served: 55,051
Park Water Company - Bell Gardens Downey Population served: 11,879
Park WC - Compton Downey Population served: 24,698
Park WC - Lynwood Downey Population served: 24,791
Pasadena Pasadena Population served: 165,740
Paso Robles Water Department Paso Robles Population served: 30,500
Phelan Pinon Hills CSD Phelan Population served: 24,000
Pico Rivera Water Department Pico Rivera Population served: 39,000
Pico WD Pico Rivera Population served: 24,100
Placer County Water Agency - Foothill Auburn Population served: 78,583
Placer CWA - Auburn/Bowman Auburn Population served: 28,588
Pomona Water Department Pomona Population served: 151,713
Port Hueneme Water Department Port Hueneme Population served: 21,887
Quartz Hill Water District Quartz Hill Population served: 22,000
Rainbow Municipal WD Fallbrook Population served: 19,611
Ramona Municipal WD Ramona Population served: 40,000
Rancho California Water District Temecula Population served: 120,000
Randall-bold Water Treatment Plant Oakley, Ca Population served: 30,000
Redlands City Redlands Population served: 80,000
Rincon Del Diablo MWD(ID-1) Escondido Population served: 24,545
Rio Linda/Alverta Community Water District Rio Linda Population served: 13,386
Riverside Highland Water Company Grand Terrace Population served: 14,500
Rosamond CSD Rosamond Population served: 16,618
Rowland Water District Rowland Heights Population served: 62,106
Rubidoux Community SD Rubidoux Population served: 26,150
Sacramento County Water Authority - Laguna/Vineyard Sacramento Population served: 148,814
Sacramento Suburban Water District Sacramento Population served: 171,200
San Bernardino City San Bernardino Population served: 188,931
San Dieguito WD Encinitas Population served: 36,750
San Fernando Water Department San Fernando Population served: 23,839
San Francisco City Water System Burlingame Population served: 800,000
San Gabriel County WD Rosemead Population served: 45,000
San Gabriel Valley Water Company - Fontana Fontana Population served: 213,209
San Gabriel Valley Water Company- El Monte El Monte Population served: 226,904
San Jose State University San Jose Population served: 30,000
San Jose Water Company San Jose Population served: 998,000
San Juan Water District Granite Bay Population served: 33,792
San Lorenzo Valley Water District Boulder Creek Population served: 21,145
San Luis Obispo Water Department San Luis Obispo Population served: 45,119
Santa Clarita Water Division Santa Clarita Population served: 120,900
Santa Cruz Water Department Santa Cruz Population served: 94,887
Santa Fe ID Rancho Santa Fe Population served: 21,081
Santa Fe Springs Water Department Santa Fe Springs Population served: 18,199
Santa Margarita Water District Santa Margarita Population served: 154,231
Santa Maria Water Department Santa Maria Population served: 100,306
Santa Monica Santa Monica Population served: 92,185
Santa Paula Water System Santa Paula Population served: 30,048
SBDNO County Service Area 64 Victorville Population served: 12,514
SBNDO County Service Area 70J Victorville Population served: 10,111
Scotts Valley Water District Scotts Valley Population served: 10,509
SCWA Mather-Sunrise Sacramento Population served: 15,170
SFWP - Miners Ranch Oroville Population served: 22,348
Sierra Madre Water Department Sierra Madre Population served: 11,094
Signal Hill - City, Water Department Signal Hill Population served: 11,411
Sonoma State University Rohnert Park Population served: 10,386
Soquel Creek Water District Soquel Population served: 37,720
South Coast Water District - South Coast Laguna Beach Population served: 1,000,000
South Gate Water Department South Gate Population served: 96,057
South Tahoe PUD - Main South Lake Tahoe Population served: 29,500
Stanford University Stanford Population served: 29,635
Suburban Water Systems - La Mirada Covina Population served: 56,953
Suburban Water Systems - San Jose Hills Covina Population served: 162,031
Suburban Water Systems - Whittier Covina Population served: 59,169
Suisun-Solano Water Authority Vacaville Population served: 28,856
Sunny Slope Water Company Pasadena Population served: 32,427
Sunnyslope County Water District Hollister Population served: 19,189
Sweetwater Authority Chula Vista Population served: 186,685
Temescal Valley Water District Corona Population served: 13,168
Thousand Oaks Water Department Thousand Oaks Population served: 50,000
Town of Discovery Bay Discovery Bay Population served: 13,500
Trabuco Canyon Water District Trabuco Canyon Population served: 14,900
Tract 180 Mutual Water Company Cudahy Population served: 14,000
Truckee-Donner PUD, Main Truckee Population served: 16,280
TUD - Sonora/Jamestown Water System Sonora Population served: 12,008
Twentynine Palms Water District Twentynine Palms Population served: 18,600
UC - Davis Davis Population served: 40,185
US Army Fort Irwin Fort Irwin Population served: 16,000
USMC - 29 Palms 29 Palms Population served: 28,760
Valencia Water Company Valencia Population served: 117,251
Vallecitos Water District San Marcos Population served: 94,871
Valley Center MWD Valley Center Population served: 25,450
Valley County Water District Baldwin Park Population served: 70,271
Valley of The Moon Water District El Verano Population served: 22,536
Vaughn WC Inc Bakersfield Population served: 29,825
Ventura CWWD No. 1 - Moorpark Moorpark Population served: 37,576
Ventura Water Department Ventura Population served: 112,677
Ventura Waterworks District No. 8 - Simi Valley Simi Valley Population served: 86,000
Vernon Water Department Vernon Population served: 45,000
Victorville Water District Victorville Population served: 111,649
Vista Irrigation District Vista Population served: 124,293
Walnut Park Mutual Water Company Huntington Park Population served: 16,180
Walnut Valley Water District Walnut Population served: 115,475
West Kern Water District Taft Population served: 21,181
West Valley Water District Rialto Population served: 72,647
Westborough County Water District South San Francisco Population served: 14,050
Western Municipal Water District Riverside Population served: 50,823
Whittier Water Department Whittier Population served: 49,954
Windsor Windsor Population served: 27,255
Yorba Linda Water District Yorba Linda Population served: 77,513
Yucaipa Valley Water District Yucaipa Population served: 44,629