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CONTAMINANT

Chromium (total)

FOUND

STATES DETECTED

47

serves

76 million

utilities detected

7,234

STATES DETECTED

3

serves

1,637

utilities detected

4

Overview

Chromium is a naturally occurring metal, but industrial uses can elevate its levels in water. One form, hexavalent chromium, causes cancer. Total chromium is not a good indicator of the amount of hexavalent chromium in drinking water.

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 100 ppb

The legal limit for total chromium, established in 1991, was based on a 1958 toxicity study in laboratory animals, and applies to both the less-toxic trivalent chromium and the more-toxic hexavalent chromium forms of this compound. This limit does not protect against the risk of cancer from ingestion of hexavalent chromium.

ppb = parts per billion

National Standard Exists

Health Concerns:

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Chromium (total) from your water?

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Chromium (total) around the Country

UTILITIES WITH CONTAMINATION
State Utilities People Served
Texas1,07111,526,215
New York31411,211,937
California5398,292,639
Florida2155,480,888
Arizona2694,881,361
Colorado4254,276,589
Pennsylvania1803,842,362
New Jersey1612,997,951
Kansas5951,817,625
Arkansas3371,696,014
Wisconsin1591,528,162
Mississippi3421,442,869
Illinois1921,351,485
Hawaii481,228,490
New Mexico801,160,349
Alabama831,039,386
Nebraska3411,036,949
Virginia891,033,590
Indiana84991,811
West Virginia251872,779
Maryland151823,189
Connecticut44741,541
Ohio58708,278
Missouri67688,497
Idaho64651,153
Nevada51630,757
Washington150625,235
Georgia59429,211
Iowa208384,627
Oklahoma44378,578
Oregon42338,357
Delaware8331,573
Massachusetts30309,223
South Dakota120297,112
Alaska46248,075
Kentucky20230,862
Louisiana61227,629
Utah20167,048
Michigan36121,784
Rhode Island21120,069
Maine8347,761
North Carolina1421,617
Montana4218,446
Tennessee65,293
South Carolina101,119
Vermont3815
Wyoming1165

Utilities with the highest amounts of chromium (total), 2021-2023

ALL UTILITIES
LARGE UTILITIES
Utility Location Tests Average level People served
Fonde Water SystemPineville, KY1 of 1431.0 ppb65
Clearfork Utility District*Clairfield, TN1 of 1431.0 ppb1,305
Franklin Water Systems 3Des Peres, TX12 of 12145.3 ppb159
Holly Hills Mutual Water CompanyPrunedale, CA1 of 1105.0 ppb108
Pembroke Water Division DpwPembroke, MA2 of 598.6 ppb19,189
Rancheritos Mutual Water CompanyApple Valley, CA1 of 285.0 ppb812
Ironwood CampNewberry Springs, CA1 of 285.0 ppb40
So Hi Domestic Water Improvement DistrictGolden Valley, AZ1 of 177.0 ppb490
Hidden Valley Mobile Home CourtLinden, PA1 of 170.0 ppb60
Shorelands Road & Water CompanyMendocino, CA1 of 366.7 ppb78
Water Utility of Greater Tonopah GardenPhoenix, AZ1 of 159.0 ppb17
Cs White Hills Water Company Units 3 4 6St. Louis, AZ1 of 150.0 ppb95
Anderson Creek Water AssociationBellingham, WA1 of 149.3 ppb41
Carefree Water CompanyCarefree, AZ1 of 146.0 ppb2,750
Truxton Canyon Water CompanyKingman, AZ2 of 244.0 ppb2,492
Dushore Water AuthorityDushore, PA2 of 343.3 ppb400
Westmorland, City OfWestmorland, CA1 of 442.5 ppb2,202
Morristown Water CompanyMorristown, AZ1 of 141.0 ppb120
Royal Pine VillaPepperell, VT2 of 240.5 ppb55
City of ImperialImperial, CA1 of 440.0 ppb21,347
Adaman Mutual Water CompanyLitchfield Park, AZ1 of 139.0 ppb700
Wenden Domestic Water Improvement DistrictWenden, AZ1 of 138.0 ppb360
Whispering Pines Mobile Home ParkYuba City, CA1 of 137.7 ppb25
Bonfire Village HotelSacramento, CA6 of 637.5 ppb30
Norman*Norman, OK6 of 636.3 ppb100,939
Oklahoma UniversityNorman, OK6 of 636.3 ppb6,000
Gswc - Calipatria*San Dimas, CA1 of 435.0 ppb7,412
Calipatria State PrisonImperial, CA1 of 435.0 ppb4,800
GatewayEl Centro, CA1 of 435.0 ppb1,800
Heber Public Utility DistrictHeber, CA1 of 534.0 ppb6,979
Double R Water Distributors, Inc.Golden Valley, AZ1 of 134.0 ppb87
Desert Sky DwidTucson, AZ2 of 233.5 ppb90
Mount Tipton Water CompanyDolan Springs, AZ3 of 333.3 ppb1,985
Yucca Water AssociationYucca, AZ1 of 133.0 ppb244
Emerald City Mutual Water Co.Aptos, CA1 of 133.0 ppb26
Holtville, City OfHoltville, CA1 of 432.5 ppb6,355
Valenzuela Water SystemHollister, CA1 of 132.5 ppb55
City of Los BanosLos Banos, CA12 of 1231.9 ppb46,639
Lexington & Joseph Harp Correctional InstitutionLexington, OK1 of 131.7 ppb2,300
City of KermanKerman, CA5 of 631.7 ppb16,995
Kingman Municipal WaterKingman, AZ13 of 1431.6 ppb45,000
Aguila Water ServiceSun City, AZ1 of 131.0 ppb962
Clarendon WaterworksClarendon, AR1 of 130.8 ppb1,320
North Davis MeadowsWoodland, CA2 of 230.5 ppb314
City of El CentroEl Centro, CA2 of 930.0 ppb44,158
Santa Ynez Rancho Estates Mutual Water CompanySanta Ynez, CA4 of 429.8 ppb304
Huttig WaterworksHuttig, AR16 of 2428.7 ppb733
City of Surprise - Mountain Vista*Surprise, AZ48 of 4828.3 ppb40,007
Cs White Hills Water Company Unit 1St. Louis, AZ1 of 128.0 ppb82
Rolling Acres Mutual Water CompanyDavis, CA1 of 128.0 ppb40

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Chromium (total), but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
Pembroke Water Division DpwPembroke, MA2 of 598.6 ppb19,189
City of ImperialImperial, CA1 of 440.0 ppb21,347
Norman*Norman, OK6 of 636.3 ppb100,939
City of Los BanosLos Banos, CA12 of 1231.9 ppb46,639
City of KermanKerman, CA5 of 631.7 ppb16,995
Kingman Municipal WaterKingman, AZ13 of 1431.6 ppb45,000
City of El CentroEl Centro, CA2 of 930.0 ppb44,158
City of Surprise - Mountain Vista*Surprise, AZ48 of 4828.3 ppb40,007
City of Edmond - Arcadia Lake*Edmond, OK4 of 427.5 ppb79,408
Streetsboro City PWSStreetsboro, OH1 of 1025.0 ppb15,105
Epcor Water - Paradise Valley/ScottsdaleEl Mirage, AZ3 of 324.3 ppb14,107
City of Buckeye Sonora - SundanceBuckeye, AZ2 of 223.0 ppb15,783
City of PattersonPatterson, CA7 of 722.6 ppb23,304
Golden State Water Company (GSWC) - Florence/GrahamSanta Fe Springs, CA18 of 2022.1 ppb62,970
City Of DixonDixon, CA4 of 421.3 ppb11,784
Coachella Water Authority*Coachella, CA7 of 720.0 ppb42,554
MooreMoore, OK11 of 1619.4 ppb55,083
Epcor Water - Agua Fria*El Mirage, AZ16 of 2719.2 ppb80,959
City of Davis*Davis, CA28 of 4118.0 ppb67,217
SBNDO County Service Area 70JSan Bernardino, CA44 of 5215.6 ppb12,721
Arizona Water Company - White TanksPhoenix, AZ8 of 1015.3 ppb18,858
City of College StationCollege Station, TX1 of 113.7 ppb104,103
Rosamond CSDRosamond, CA2 of 213.0 ppb17,516
Desert Oasis*Surprise, AZ25 of 2612.4 ppb11,081
Mission Springs WDDesert Hot Springs, CA6 of 712.0 ppb43,223
City of ChubbuckChubbuck, ID2 of 211.0 ppb15,842
City of GlendalePhoenix, AZ26 of 4010.6 ppb234,766
Indio Water AuthorityIndio, CA13 of 1810.6 ppb82,668
City of ChandlerChandler, AZ82 of 8710.4 ppb247,328
City of Phoenix*Phoenix, AZ25 of 6310.3 ppb1,695,000
Harris County Improvement District 18Houston, TX1 of 110.3 ppb12,775
Hope Water Light Comm.*Hope, AR14 of 2110.2 ppb11,500
City of LockhartLockhart, TX1 of 110.2 ppb14,742
Pima UtilitiesSun Lakes, AZ2 of 210.2 ppb20,000
Epcor Water - Sun CityEl Mirage, AZ7 of 810.1 ppb38,016
City of PeoriaPeoria, AZ12 of 239.93 ppb135,975
Sunnyslope County Water District*Hollister, CA4 of 59.80 ppb23,499
Liberty Water Lpsco*Litchfield Park, AZ1 of 19.60 ppb50,770
Los Angeles County WW District 4 & 34-LancasterAlhambra, CA23 of 299.34 ppb204,393
City of ChinoChino, CA5 of 59.16 ppb84,560
Frankfort*Frankfort, IL7 of 79.11 ppb20,296
California Water Service Company - DixonSan Jose, CA42 of 538.84 ppb10,616
Arizona Water Company - Pinal Valley*Phoenix, AZ3 of 78.71 ppb113,516
Town of GilbertGilbert, AZ48 of 568.54 ppb247,600
Cottonwood Municipal Water Cw1Cottonwood, AZ5 of 58.30 ppb11,014
City of Hollister*Hollister, CA3 of 58.20 ppb23,358
USMC - 29 Palms29 Palms, CA17 of 258.12 ppb17,033
Texas A&M University Main CampusCollege Station, TX1 of 27.95 ppb61,000
Lockport*Lockport, IL9 of 97.78 ppb19,887
San Luis Obispo Water DepartmentSan Luis Obispo, CA1 of 47.75 ppb47,653

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Chromium (total), but it likely has the contaminant in its water supply.

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