Know Your Environment. Protect Your Health.

CONTAMINANT

Strontium

STATES DETECTED

50

serves

266 million

utilities detected

7,966

states detected

0

serves

0

utilities detected

0

Overview

Strontium is a metal that accumulates in the bones. Radioactive strontium-90 can cause bone cancer and leukemia, and any form of strontium at high doses can harm bone health.

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 1,500 ppb

The EWG Health Guideline of 1,500 ppb for strontium was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against harm to bones.

ppb = parts per billion

National Standard Exists

Health Concerns:

  • Harm to bones

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Strontium around the Country

UTILITIES WITH CONTAMINATION
State Utilities People Served
California54136,974,185
Texas76523,371,287
Florida34219,857,146
New York29618,969,975
Illinois53010,290,855
Pennsylvania2689,575,153
Ohio3279,301,721
Georgia1718,912,081
New Jersey2118,302,880
North Carolina3937,993,397
Washington2007,531,634
Tennessee1856,539,520
Virginia1426,455,390
Massachusetts1996,105,940
Arizona916,037,407
Michigan2155,965,752
Colorado2145,645,223
Maryland615,074,940
Alabama1944,760,606
Missouri1624,116,737
Indiana1674,061,149
Kentucky1743,708,796
Minnesota1093,556,720
Louisiana1353,511,791
South Carolina1813,484,141
Oregon933,036,372
Wisconsin1072,988,403
Utah772,895,335
Nevada182,889,362
Oklahoma1622,660,654
Connecticut722,516,395
Kansas1172,183,489
Iowa2052,004,851
Arkansas1521,967,414
New Mexico371,481,126
Mississippi881,434,484
Hawaii241,343,138
Nebraska381,211,371
Idaho281,046,256
West Virginia95986,588
Rhode Island28982,604
Delaware19693,895
District Of Columbia4667,325
South Dakota102600,456
New Hampshire41590,157
North Dakota18440,609
Maine20422,577
Montana51422,268
Alaska16336,605
Wyoming48297,973
Vermont33147,378

Utilities with the highest amounts of strontium, 2013-2023

ALL UTILITIES
LARGE UTILITIES
Utility Location Tests Average level People served
Cws - Tulco Water CompanySan Jose, CA1 of 1210.0 ppb716
Steeple Run SubdivisionDarien, IL1 of 1199.0 ppb1,919
California Water Service Company-LancasterSan Jose, CA2 of 2190.0 ppb1,430
Cws-split Mountain Water SystemSan Jose, CA6 of 6185.0 ppb227
Cws - Lower Bodfish Water SystemSan Jose, CA1 of 1180.0 ppb744
LimaLima, IL3 of 3174.3 ppb163
Coast Springs - Cal. Water Service (puc)San Jose, CA13 of 13164.6 ppb396
SomonaukSomonauk, IL1 of 1162.0 ppb1,786
Armstrong Valley-cal Water Service (puc)San Jose, CA1 of 1160.0 ppb483
Creve CoeurCreve Coeur, IL1 of 1157.0 ppb4,934
Washington Aqueduct Division.*Washington, DC119 of 120152.4 ppb0
Hawkins Water Co-cal Water Service (puc)San Jose, CA1 of 1150.0 ppb83
PalmerPalmer, IL1 of 1143.0 ppb229
Winchester*Winchester, IL1 of 1143.0 ppb1,593
CowdenCowden, IL1 of 1140.0 ppb612
Zone 7 Water Agency*Livermore, CA47 of 57135.1 ppb40
Noel Heights-cal Water Service (puc)San Jose, CA2 of 2120.0 ppb81
Mount AuburnMt. Auburn, IL1 of 1119.0 ppb480
Hilldale Manor SubdivisionFox Lake, IL1 of 1111.0 ppb414
Millerton VillageMillerton, NY1 of 1111.0 ppb2,000
Cws - Upper Bodfish Water SystemSan Jose, CA3 of 3110.0 ppb310
LaconLacon, IL1 of 1110.0 ppb1,878
AlbanyAlbany, IL1 of 198.1 ppb950
Cws - KernvilleSan Jose, CA6 of 689.5 ppb2,602
Aqua Illinois-woodlawnKankakee, IL1 of 186.8 ppb375
Cal-water Service Company-orovilleSan Jose, CA4 of 482.3 ppb11,056
Cws - LakelandSan Jose, CA11 of 1179.4 ppb297
IL Veterans Home (quincy)Quincy, IL4 of 466.6 ppb401
Green Meadow Estates Of Rockford LlcKnoxville, IL1 of 161.7 ppb250
Otter Creek Lake Utilities DistrictDavis, IL1 of 154.3 ppb2,593
Valley Water and Sewer-deerwoodCharleston, WV1 of 151.0 ppb219
Cal-water Service Company - ChicoSan Jose, CA136 of 13645.9 ppb110,512
Tesoro Viejo Master Mwc, Inc.San Jose, CA8 of 844.0 ppb2,640
Carle Place Water DistrictCarle Place, NY2 of 242.9 ppb9,005
Baldwin City, City of*Baldwin City, KS20 of 2038.2 ppb4,700
City of Lawrence*Lawrence, KS20 of 2038.2 ppb95,256
Douglas County Rural Water District 1Lawrence, KS20 of 2038.2 ppb1,400
Douglas County Rural Water District 6Lecompton, KS20 of 2038.2 ppb360
Utilities Inc.-killarney Water CompanyMchenry, IL5 of 527.5 ppb1,047
Sandy City Water SystemSandy, UT30 of 3026.6 ppb99,750
California Water Service (CWS) - North Garden*San Jose, CA31 of 3124.9 ppb22,620
Wood River*Wood River, IL5 of 524.5 ppb10,464
Birmingham Village ofBirmingham, MO9 of 923.8 ppb200
Lathrop PWSLathrop, MO9 of 923.8 ppb2,795
Platte City PWS*Platte City, MO9 of 923.8 ppb4,691
Dearborn PWS*Dearborn, MO9 of 923.8 ppb529
Peculiar PWSPeculiar, MO9 of 923.8 ppb5,000
Cass County Public Water Supply District 2*Belton, MO9 of 923.8 ppb3,725
Northmoor PWSNorthmoor, MO9 of 923.8 ppb328
Weatherby Lake PWSWeatherby Lake, MO9 of 923.8 ppb2,077

* 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 Strontium, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
Cal-water Service Company-orovilleSan Jose, CA4 of 482.3 ppb11,056
Cal-water Service Company - ChicoSan Jose, CA136 of 13645.9 ppb110,512
City of Lawrence*Lawrence, KS20 of 2038.2 ppb95,256
Sandy City Water SystemSandy, UT30 of 3026.6 ppb99,750
California Water Service (CWS) - North Garden*San Jose, CA31 of 3124.9 ppb22,620
Wood River*Wood River, IL5 of 524.5 ppb10,464
Kansas City*Kansas City, MO9 of 923.8 ppb513,800
Kaukauna UtilitiesKaukauna, WI12 of 1222.1 ppb13,430
Madison Water Utility*Madison, WI80 of 8022.1 ppb235,000
Germantown Water UtilityGermantown, WI16 of 1620.5 ppb20,027
Berkeley County PSD/Potomac RiverMartinsburg, WV9 of 920.2 ppb34,786
Waukesha Water UtilityWaukesha, WI16 of 1619.6 ppb70,718
Brookfield Water UtilityBrookfield, WI44 of 4416.8 ppb29,070
Goforth SUDNiederwald, TX24 of 2414.9 ppb34,893
California Water Service (CWS) - SelmaSan Jose, CA36 of 3614.8 ppb26,360
Springfield*Springfield, IL10 of 1012.9 ppb117,428
West Virgina American Water Company - Huntington District*Charleston, WV9 of 911.2 ppb84,004
Little Chute WaterworksLittle Chute, WI12 of 1210.9 ppb11,040
Aqua Ohio - TiffinMarion, OH8 of 89.11 ppb20,035
Fond Du Lac WaterworksFond Du Lac, WI19 of 198.77 ppb42,000
City of KyleKyle, TX24 of 246.43 ppb41,940
Darboy Sanitary District 1Appleton, WI8 of 85.65 ppb12,000
Pluris-South Gate UtilitiesSarasota, FL4 of 45.44 ppb15,897
Wapakoneta CityWapakoneta, OH6 of 65.17 ppb11,000
N.A.S. JacksonvilleJacksonville, FL4 of 45.15 ppb22,000
Southwest Licking Community WaterBaltimore, OH5 of 54.30 ppb16,300
Ruidoso Water SystemRuidoso, NM32 of 324.23 ppb19,195
Northwest Utilities WTPSt. Augustine, FL4 of 44.07 ppb32,657
Auburn Water DepartmentAuburn, IN8 of 84.01 ppb12,800
Huntington Water DepartmentHuntington, IN4 of 43.85 ppb17,300
Aqua Ohio - MarionMarion, OH8 of 83.76 ppb46,317
Winthrop Water Division, (MWRA)Winthrop, MA8 of 83.58 ppb17,497
Bermuda Water Company Inc*Fort Mohave, AZ28 of 283.56 ppb24,000
Marysville City PWSMarysville, OH8 of 83.54 ppb25,571
Sarasota County Special Utility District*Sarasota, FL16 of 163.47 ppb267,171
JacksonJackson, MO7 of 73.24 ppb15,481
City of MidlandMidland, TX12 of 123.18 ppb142,344
City of Cape Coral*Cape Coral, FL8 of 83.08 ppb163,647
City of Punta GordaPunta Gorda, FL8 of 82.91 ppb36,302
Jacksonville Electric Authority (JEA Major Grid)*Jacksonville, FL104 of 1042.83 ppb826,664
Sjcu-northeast Utilities WsSt. Augustine, FL104 of 1042.83 ppb14,790
City of AlamoAlamo, TX7 of 72.78 ppb18,363
City of Lynn Haven Water SystemLynn Haven, FL16 of 162.77 ppb30,601
Palmetto Water DepartmentPalmetto, FL6 of 62.73 ppb13,446
CR-214 MainlandSt. Augustine, FL3 of 32.65 ppb61,310
Military Highway WSC - ProgresoProgreso, TX7 of 82.65 ppb11,136
City of BoerneBoerne, TX32 of 322.56 ppb22,287
St. Johns County Utilities-Ponte VedraPonte Vedra Beach, FL8 of 82.50 ppb13,340
St. Johns County Sawgrass Grid*Ponte Vedra, FL8 of 82.48 ppb12,940
Marion City Water Works*Marion, IN4 of 42.48 ppb28,327

* 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 Strontium, but it likely has the contaminant in its water supply.

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