Menu

EWG's Tap Water Database

Donate

Chromium (total)

Status: National drinking water standard exists

 

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.

2015:

FOUND

50

states detected

6,566

utilities detected

128 million

people served

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 100 ppb

The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.

ppb = parts per billion.

EPA Maximum Contaminant
Level Goal (MCLG)100 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

States reporting chromium (total) in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
California43517,303,252
New York29415,498,735
Texas97813,529,963
Florida6439,395,179
Illinois2117,438,353
Pennsylvania3936,268,674
New Jersey1835,998,551
Arizona1224,316,120
Michigan1374,156,951
Maryland404,025,932
Washington1673,386,811
Missouri4132,359,280
Massachusetts912,328,416
Indiana1051,832,645
Tennessee751,800,699
Kansas2211,780,028
Utah551,673,421
Minnesota511,630,182
Alabama1261,626,734
North Carolina1001,474,078
Virginia661,380,739
Mississippi2961,318,818
Ohio951,314,812
Kentucky871,301,587
Georgia741,242,405
South Carolina711,177,778
Connecticut491,140,328
Colorado841,132,355
Hawaii161,127,696
Wisconsin541,120,309
Nevada341,091,647
Iowa931,068,431
New Mexico401,014,299
Louisiana461,013,378
Oklahoma139920,238
Arkansas70657,803
Oregon21413,506
Delaware34341,236
West Virginia23332,286
Alaska11245,922
Maine117235,883
Rhode Island27206,126
Idaho15192,330
New Hampshire79125,150
North Dakota17107,775
Wyoming1689,203
South Dakota2588,930
Nebraska983,559
Montana978,759
Vermont817,986
District Of Columbia115,690
MORE
LESS

Utilities with the highest amounts of chromium (total), 2015

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
NorthomeNorthome, MN1 of 192.4 ppb202
Ghr Landowners Association Water Co-opBullhead City, AZ2 of 271.0 ppb280
Paradise Trails Pioneer Valley WsLake Havasu City, AZ4 of 467.8 ppb84
Davenport Water DivisionDavenport, WA2 of 267.7 ppb1,720
Water Utility of Greater Tonopah GardenPhoenix, AZ2 of 258.0 ppb17
Bed Rock Mobile Home ParkUlysses, KS6 of 656.2 ppb150
Fordair Water Co-op Inc.Coulee City, WA1 of 151.4 ppb34
Wenden Domestic Water Improvement DistrictWenden, AZ1 of 150.0 ppb475
Adaman Mutual Water CompanyLitchfield Park, AZ2 of 243.0 ppb700
Joshua Valley Water CompanyParadise Valley, AZ2 of 243.0 ppb2,000
Copper Mountain Ranch CfdCasa Grande, AZ2 of 242.8 ppb909
White Hills Water Company Units 3 4 6Mesa, AZ1 of 142.0 ppb61
Carefree Water Company*Carefree, AZ4 of 441.3 ppb3,314
Rancho Colina Mobile Home ParkMorro Bay, CA1 of 340.0 ppb250
Norman*Norman, OK131 of 14439.8 ppb70,133
Curlew Kai Homeowner Water SystemRepublic, WA1 of 139.6 ppb112
Kingman Municipal Water*Kingman, AZ65 of 7039.1 ppb45,000
I40 Industrial Domestic Water Improvement District Water System*Kingman, AZ2 of 238.5 ppb2,200
Mtc - Arizona State Prison - KingmanKingman, AZ2 of 238.0 ppb3,500
Colonial Estates Mobile Home ParkSacramento, CA1 of 437.5 ppb438
Village of OrangewoodPhoenix, AZ1 of 137.0 ppb500
Yucca Water AssociationYucca, AZ3 of 336.7 ppb250
Highland Pines Mobile Home ParkHighland City, FL1 of 234.2 ppb36
Santa Ynez Rancho Estates Mutual Water CompanySanta Ynez, CA4 of 434.0 ppb294
Aguila Water ServiceSun City, AZ1 of 134.0 ppb964
Dunnigan Water WorksPaso Robles, CA1 of 134.0 ppb400
Mccloskey Road LLCHollister, CA24 of 2433.7 ppb25
Boulder InnWhite Hills, AZ2 of 233.0 ppb29
Polk Correctional InstitutionPolk City, FL1 of 232.4 ppb1,500
Fisherman's Bend Mobile Home ParkNewman, CA2 of 232.0 ppb80

* 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.

MORE
LESS
UtilityLocationTestsAverage levelPeople served
Norman*Norman, OK131 of 14439.8 ppb70,133
Kingman Municipal Water*Kingman, AZ65 of 7039.1 ppb45,000
City of Los BanosLos Banos, CA58 of 5828.9 ppb37,168
City of Buckeye Sonora - SundanceBuckeye, AZ12 of 1226.2 ppb15,783
City of Surprise - Mountain Vista*Surprise, AZ98 of 9825.1 ppb40,615
Epcor Water - Paradise Valley/ScottsdaleYoungtown, AZ15 of 1724.8 ppb11,600
City of KermanKerman, CA28 of 2822.6 ppb14,068
City of Davis*Davis, CA242 of 29022.1 ppb67,298
City of PattersonPatterson, CA40 of 4018.9 ppb20,560
MooreMoore, OK42 of 5318.7 ppb41,138
City of WoodlandWoodland, CA91 of 9617.5 ppb56,464
Coachella Water AuthorityCoachella, CA60 of 6017.3 ppb41,904
SBNDO County Service Area 70JVictorville, CA64 of 7216.2 ppb10,111
MustangMustang, OK11 of 1215.7 ppb15,435
City of Newman Water DepartmentNewman, CA16 of 1714.4 ppb10,586
UC - DavisDavis, CA23 of 3014.2 ppb40,185
Goodyear Water Department*Goodyear, AZ29 of 2914.1 ppb34,000
Epcor Water - Agua Fria*Youngtown, AZ65 of 10113.8 ppb52,400
City of Phoenix*Phoenix, AZ118 of 14612.4 ppb1,500,000
Arizona Water Company - Apache JunctionPhoenix, AZ16 of 1611.9 ppb57,647
Indio Water AuthorityIndio, CA65 of 8210.5 ppb77,780
Rosamond CSDRosamond, CA17 of 1810.4 ppb16,618
USMC - 29 Palms29 Palms, CA19 of 2110.3 ppb28,760
Epcor Water - Sun City*Youngtown, AZ51 of 5310.3 ppb38,016
City of Hollister*Hollister, CA32 of 369.77 ppb36,108
Pima UtilitiesSun Lakes, AZ18 of 189.74 ppb20,000
City of El Mirage*El Mirage, AZ41 of 419.68 ppb36,905
California Water Service - LivermoreLivermore, CA141 of 1739.07 ppb56,700
Rio Linda/Alverta Community Water DistrictRio Linda, CA41 of 528.66 ppb13,386
City of Glendale*Glendale, AZ80 of 1038.27 ppb180,000

* 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.

MORE
LESS