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EWG's Tap Water Database — 2019 UPDATE

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Strontium

Status: No national drinking water standard exists

 

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.

2012-2017:

FOUND
FOUND ABOVE HEALTH GUIDELINES

50

states detected

9,170

utilities detected

258 million

people served

22

states over health guideline

171

utilities over health guideline

5.0 million

people served over health guideline

Health concerns for strontium

Harm to bones

State and national drinking water standards and health guidelines

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

States reporting strontium in drinking water

UTILITIES REPORTING ABOVE HEALTH GUIDELINES UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served UtilitiesPeople Served
California343,30152337,838,134
Texas401,091,77682321,508,164
New York15432719,212,242
Florida352,226,82037518,498,452
Illinois11232,28353911,412,776
Ohio13192,5903488,957,088
Pennsylvania223,9003068,918,692
Georgia001958,390,182
New Jersey1233,3762308,379,298
North Carolina004137,001,106
Tennessee322,1562106,302,535
Virginia001616,218,174
Massachusetts002106,174,180
Michigan002165,888,653
Arizona14288,6291015,740,086
Washington002105,132,446
Maryland00604,980,009
Colorado001864,935,657
Alabama212,0032384,619,230
Minnesota71,8567694,150,768
Kentucky002374,144,014
Missouri114,3861724,049,236
Indiana10106,2161853,981,995
Louisiana001403,432,105
South Carolina001913,405,315
Wisconsin10216,8431072,999,886
Oregon00912,826,699
Oklahoma111,4422202,695,509
Utah00802,563,659
Connecticut00712,507,427
Nevada118,000202,416,414
Kansas222,4251392,126,207
Iowa471,2461891,873,764
Arkansas001811,815,900
New Mexico7144,544441,395,576
Mississippi28,840881,373,884
Hawaii00261,347,377
Nebraska00361,178,479
Rhode Island0035995,468
West Virginia0099972,076
Idaho0028875,365
Delaware0015692,785
District Of Columbia004664,572
New Hampshire0043588,085
South Dakota160104465,102
North Dakota0022443,197
Alaska0020438,188
Maine0019414,363
Montana0042387,996
Wyoming0048273,566
Vermont0034150,888
MORE
LESS

Filtering technologies that reduce strontium

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Reverse Osmosis

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Ion Exchange

Utilities with the highest amounts of strontium, 2012-2017

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Oatman Water CompanyScottsdale, AZ4 of 411,750.0 ppb129
Kaukauna UtilitiesKaukauna, WI2 of 211,663.6 ppb13,430
Waukesha Water UtilityWaukesha, WI9 of 910,872.3 ppb70,718
Aqua Ohio - TiffinTiffin, OH8 of 89,112.5 ppb17,963
Fond Du Lac WaterworksFond Du Lac, WI19 of 198,771.5 ppb42,000
Little Chute WaterworksLittle Chute, WI10 of 108,470.0 ppb11,040
Spencerville VillageSpencerville, OH1 of 18,100.0 ppb2,223
Little Manatee Springs Mobile Home ParkWimauma, FL4 of 46,021.1 ppb530
Darboy Sanitary District 1Appleton, WI8 of 85,654.2 ppb12,000
Pluris-South Gate UtilitiesSarasota, FL4 of 45,437.5 ppb15,897
Bryan Municipal UtilitiesBryan, OH4 of 45,220.4 ppb8,545
Wapakoneta CityWapakoneta, OH6 of 65,166.7 ppb10,867
N.A.S. JacksonvilleJacksonville, FL4 of 45,149.3 ppb22,000
Nevada Village Public Water SystemNevada, OH4 of 44,863.5 ppb749
St Marys CitySt. Marys, OH4 of 44,787.5 ppb10,001
Brookfield Water UtilityBrookfield, WI22 of 224,413.9 ppb29,070
Valencia Water Company Town DivisionBuckeye, AZ15 of 154,360.0 ppb5,068
Ruidoso Water SystemRuidoso, NM32 of 324,229.1 ppb30,000
Northwest Utilities WTPSt. Augustine, FL4 of 44,073.2 ppb18,435
Auburn Water DepartmentAuburn, IN8 of 84,012.5 ppb12,800
Goforth SUDNiederwald, TX17 of 173,946.8 ppb20,790
Huntington Water DepartmentHuntington, IN4 of 43,850.0 ppb17,300
Aqua Ohio - MarionMarion, OH8 of 83,762.5 ppb41,925
Riverside Mobile Home CourtSpearfish, SD4 of 43,627.5 ppb60
Epcor Water - Rio Vista RanchesPhoenix, AZ28 of 283,564.3 ppb59
Sunrise Vista UtilitiesFt Mohave, AZ28 of 283,564.3 ppb1,500
Bermuda Water Company Inc*Fort Mohave, AZ28 of 283,564.3 ppb18,000
Hillcrest Mobile Home Park Public Water SystemMarysville, OH8 of 83,535.2 ppb400
Marysville City PWS*Marysville, OH8 of 83,535.2 ppb22,800
Sarasota County Special Utility District*Sarasota, FL16 of 163,471.3 ppb171,009
JacksonJackson, MO7 of 73,235.7 ppb14,386
City of MidlandMidland, TX12 of 123,183.3 ppb132,950
City of Cape Coral*Cape Coral, FL8 of 83,075.0 ppb132,737
Rockland Mobile Home ParkLake Bluff, IL4 of 42,922.4 ppb74
City of Punta GordaPunta Gorda, FL8 of 82,906.3 ppb29,561
Jacksonville Electric Authority (JEA Major Grid)*Jacksonville, FL104 of 1042,833.6 ppb703,938
Northeast Utilities (fka A.nease/walden)St. Augustine, FL104 of 1042,833.6 ppb4,978
City of AlamoAlamo, TX7 of 72,782.9 ppb18,363
City of Lynn Haven Water SystemLynn Haven, FL16 of 162,774.2 ppb20,740
Palmetto Water DepartmentPalmetto, FL6 of 62,733.3 ppb12,606
CR-214 MainlandSt. Augustine, FL3 of 32,646.6 ppb51,962
Military Highway WSC - ProgresoProgreso, TX7 of 82,646.3 ppb11,136
Germantown Water UtilityGermantown, WI10 of 102,645.9 ppb20,027
City of BoerneBoerne, TX32 of 322,557.8 ppb16,056
St. Johns County Utilities-Ponte VedraPonte Vedra Beach, FL8 of 82,498.4 ppb17,575
WestbrookWestbrook, MN2 of 22,490.0 ppb733
Jea: Palm Valley WsPalm Valley, FL8 of 82,484.7 ppb750
St. Johns County Sawgrass Grid*Ponte Vedra, FL8 of 82,484.7 ppb12,133
Bluffs Basin Utility CompanyMarion, IN4 of 42,475.0 ppb36
Marion City Water Works*Marion, IN4 of 42,475.0 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.

UtilityLocationTestsAverage levelPeople served
Kaukauna UtilitiesKaukauna, WI2 of 211,663.6 ppb13,430
Waukesha Water UtilityWaukesha, WI9 of 910,872.3 ppb70,718
Aqua Ohio - TiffinTiffin, OH8 of 89,112.5 ppb17,963
Fond Du Lac WaterworksFond Du Lac, WI19 of 198,771.5 ppb42,000
Little Chute WaterworksLittle Chute, WI10 of 108,470.0 ppb11,040
Darboy Sanitary District 1Appleton, WI8 of 85,654.2 ppb12,000
Pluris-South Gate UtilitiesSarasota, FL4 of 45,437.5 ppb15,897
Wapakoneta CityWapakoneta, OH6 of 65,166.7 ppb10,867
N.A.S. JacksonvilleJacksonville, FL4 of 45,149.3 ppb22,000
St Marys CitySt. Marys, OH4 of 44,787.5 ppb10,001
Brookfield Water UtilityBrookfield, WI22 of 224,413.9 ppb29,070
Ruidoso Water SystemRuidoso, NM32 of 324,229.1 ppb30,000
Northwest Utilities WTPSt. Augustine, FL4 of 44,073.2 ppb18,435
Auburn Water DepartmentAuburn, IN8 of 84,012.5 ppb12,800
Goforth SUDNiederwald, TX17 of 173,946.8 ppb20,790
Huntington Water DepartmentHuntington, IN4 of 43,850.0 ppb17,300
Aqua Ohio - MarionMarion, OH8 of 83,762.5 ppb41,925
Bermuda Water Company Inc*Fort Mohave, AZ28 of 283,564.3 ppb18,000
Marysville City PWS*Marysville, OH8 of 83,535.2 ppb22,800
Sarasota County Special Utility District*Sarasota, FL16 of 163,471.3 ppb171,009
JacksonJackson, MO7 of 73,235.7 ppb14,386
City of MidlandMidland, TX12 of 123,183.3 ppb132,950
City of Cape Coral*Cape Coral, FL8 of 83,075.0 ppb132,737
City of Punta GordaPunta Gorda, FL8 of 82,906.3 ppb29,561
Jacksonville Electric Authority (JEA Major Grid)*Jacksonville, FL104 of 1042,833.6 ppb703,938
City of AlamoAlamo, TX7 of 72,782.9 ppb18,363
City of Lynn Haven Water SystemLynn Haven, FL16 of 162,774.2 ppb20,740
Palmetto Water DepartmentPalmetto, FL6 of 62,733.3 ppb12,606
CR-214 MainlandSt. Augustine, FL3 of 32,646.6 ppb51,962
Military Highway WSC - ProgresoProgreso, TX7 of 82,646.3 ppb11,136
Germantown Water UtilityGermantown, WI10 of 102,645.9 ppb20,027
City of BoerneBoerne, TX32 of 322,557.8 ppb16,056
St. Johns County Utilities-Ponte VedraPonte Vedra Beach, FL8 of 82,498.4 ppb17,575
St. Johns County Sawgrass Grid*Ponte Vedra, FL8 of 82,484.7 ppb12,133
Marion City Water Works*Marion, IN4 of 42,475.0 ppb28,327
Sebring Water & Sewer SystemSebring, FL28 of 282,465.0 ppb38,761
South Walton Utility Company*Miramar Beach, FL20 of 202,459.7 ppb22,295
Fort Dodge Water SupplyFort Dodge, IA4 of 42,457.5 ppb25,206
Joliet*Joliet, IL24 of 242,416.7 ppb145,000
Fremont CityFremont, OH8 of 82,416.3 ppb16,677
Indian River County UtilitiesVero Beach, FL8 of 82,392.5 ppb109,286
Southwest Licking Community WaterEtna, OH4 of 42,375.0 ppb12,088
Epcor Water - MohaveYoungtown, AZ20 of 202,334.3 ppb36,330
City of BradentonBradenton, FL8 of 82,311.3 ppb54,409
St. Augustine WTP*St. Augustine, FL4 of 42,300.9 ppb45,470
Iowa-American Water Co-Clinton DistrictClinton, IA16 of 162,258.6 ppb26,885
Jacksonville Beach WTPJacksonville, FL8 of 82,252.5 ppb23,279
North Aurora*North Aurora, IL8 of 82,250.5 ppb13,764
Atlantic Beach Water SystemAtlantic Beach, FL16 of 162,245.6 ppb26,172
Perkasie Regional AuthorityPerkasie, PA12 of 122,245.6 ppb11,100

* 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.