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EWG's Tap Water Database — 2019 UPDATE

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4-Androstene-3,17-dione

Status: No national drinking water standard exists

 

Human sex hormones are sometimes detected at low concentrations in drinking water. There are no current health guidelines to determine whether these exposures are safe, or if they could pose a risk to human health.

2012-2017:

FOUND

25

states detected

340

utilities detected

19 million

people served

States reporting 4-androstene-3,17-dione in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
Illinois875,274,279
Pennsylvania81,868,365
California161,865,730
Maryland71,860,219
Colorado361,697,091
New York13956,729
Texas6762,345
Rhode Island14617,023
Iowa22547,139
New Jersey7508,049
South Carolina11462,012
Connecticut5420,914
Washington31343,569
Michigan14323,023
Delaware2307,000
Tennessee6293,511
Indiana4283,066
Montana21200,287
North Carolina12196,958
Alabama11191,622
Virginia113,619
Kansas310,562
Massachusetts18,929
Arkansas11,918
Oklahoma11,400
MORE
LESS

Filtering technologies that reduce 4-androstene-3,17-dione

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Activated Carbon

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Reverse Osmosis

Utilities with the highest amounts of 4-androstene-3,17-dione, 2012-2017

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Berryessa Estates (lbrid)Napa, CA3 of 31.12 ppt454
Osceola Water Works*Osceola, IA1 of 10.860 ppt4,929
Sirwa #3 (osceola)Creston, IA1 of 10.860 ppt2,573
City of IrvingIrving, TX2 of 40.700 ppt238,829
Wilbraham Water Department (MWRA)Wilbraham, MA1 of 10.400 ppt8,929
Newark Water Department*Newark, NJ1 of 40.375 ppt290,139
Belleville Water Department*Belleville, NJ1 of 40.375 ppt35,129
Bloomfield Water DepartmentBloomfield, NJ1 of 40.375 ppt47,315
City of CarrolltonCarrollton, TX2 of 40.328 ppt127,980
City of Grand Prairie*Grand Prairie, TX4 of 160.286 ppt187,050
Southside Water Inc.Clayton, NY2 of 40.270 ppt195
Watertown City*Watertown, NY2 of 40.270 ppt29,406
Watertown Town Water District 3 & 4Watertown, NY2 of 40.270 ppt750
Watertown Town Water District 1 & 2Watertown, NY2 of 40.270 ppt600
DANC (Watertown / Ft. Drum)*Watertown, NY2 of 40.270 ppt35,150
Dubuque Water Works*Dubuque, IA1 of 20.260 ppt57,637
Yes! Terrace HeightsCedar Rapids, IA1 of 20.260 ppt548
St. Clair TownshipSt. Clair, MI2 of 40.255 ppt3,270
IL American-arrowheadCreve Coeur, IL1 of 40.250 ppt1,820
Wheaton*Wheaton, IL1 of 40.250 ppt55,416
Huntsville Utility District*Huntsville, TN2 of 40.250 ppt12,477
Lineville Water Works Board*Lineville, AL2 of 30.210 ppt3,126
Mount Morris, City ofMt. Morris, MI1 of 40.205 ppt3,086
Montrose, City ofMontrose, MI1 of 40.205 ppt1,657
Genesee County Water SystemFlint, MI1 of 40.205 ppt0
Genesee TownshipGenesee, MI1 of 40.205 ppt10,447
Grand Blanc TownshipGrand Blanc, MI1 of 40.205 ppt18,000
Monitor TownshipBay City, MI2 of 40.205 ppt4,977
Swartz Creek, City ofSwartz Creek, MI1 of 40.205 ppt5,768
Flushing, City ofFlushing, MI1 of 40.205 ppt8,389
Clio, City ofClio, MI1 of 40.205 ppt2,646
City of BurtonBurton, MI1 of 40.205 ppt20,900
Aquarion Water Company of Connecticut - Canaan SysBridgeport, CT1 of 20.200 ppt10,097
City of Bethlehem*Bethlehem, PA1 of 40.198 ppt115,686
Lower Saucon AuthorityBethlehem, PA1 of 40.198 ppt5,400
Utilities Inc. WestgateEast Stroudsburg, PA1 of 40.198 ppt2,054
Hamburg Municipal Water&sewer AuthorityHamburg, PA1 of 60.193 ppt4,800
NapervilleNaperville, IL2 of 40.180 ppt100,300
LincolnwoodLincolnwood, IL2 of 80.175 ppt12,359
CiceroCicero, IL2 of 80.175 ppt85,616
BridgeviewBridgeview, IL2 of 80.175 ppt15,500
Calumet ParkCalumet Park, IL2 of 80.175 ppt8,516
Niles*Niles, IL2 of 80.175 ppt30,068
DoltonDolton, IL2 of 80.175 ppt25,176
Forest ParkForest Park, IL2 of 80.175 ppt15,688
Evergreen ParkEvergreen Park, IL2 of 80.175 ppt20,821
Harvey*Harvey, IL2 of 80.175 ppt30,000
Harwood HeightsHarwood Heights, IL2 of 80.175 ppt8,300
Forest ViewForest View, IL2 of 80.175 ppt778
Franklin ParkFranklin Park, IL2 of 80.175 ppt19,434

* 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 4-Androstene-3,17-dione, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
City of IrvingIrving, TX2 of 40.700 ppt238,829
Bloomfield Water DepartmentBloomfield, NJ1 of 40.375 ppt47,315
Belleville Water Department*Belleville, NJ1 of 40.375 ppt35,129
Newark Water Department*Newark, NJ1 of 40.375 ppt290,139
City of CarrolltonCarrollton, TX2 of 40.328 ppt127,980
City of Grand Prairie*Grand Prairie, TX4 of 160.286 ppt187,050
DANC (Watertown / Ft. Drum)*Watertown, NY2 of 40.270 ppt35,150
Watertown City*Watertown, NY2 of 40.270 ppt29,406
Dubuque Water Works*Dubuque, IA1 of 20.260 ppt57,637
Huntsville Utility District*Huntsville, TN2 of 40.250 ppt12,477
Wheaton*Wheaton, IL1 of 40.250 ppt55,416
Grand Blanc TownshipGrand Blanc, MI1 of 40.205 ppt18,000
City of BurtonBurton, MI1 of 40.205 ppt20,900
Genesee TownshipGenesee, MI1 of 40.205 ppt10,447
Aquarion Water Company of Connecticut - Canaan SysBridgeport, CT1 of 20.200 ppt10,097
City of Bethlehem*Bethlehem, PA1 of 40.198 ppt115,686
NapervilleNaperville, IL2 of 40.180 ppt100,300
CiceroCicero, IL2 of 80.175 ppt85,616
Morton GroveNorton Grove, IL2 of 80.175 ppt22,373
Alsip*Alsip, IL2 of 80.175 ppt20,500
SummitSummit, IL2 of 80.175 ppt10,600
BerwynBerwyn, IL2 of 80.175 ppt55,000
Blue IslandBlue Island, IL2 of 80.175 ppt23,463
BridgeviewBridgeview, IL2 of 80.175 ppt15,500
Du Page Water Commission*Elmhurst, IL2 of 80.175 ppt749,636
DoltonDolton, IL2 of 80.175 ppt25,176
Elmwood ParkElmwood Park, IL2 of 80.175 ppt25,405
Evergreen ParkEvergreen Park, IL2 of 80.175 ppt20,821
Forest ParkForest Park, IL2 of 80.175 ppt15,688
Franklin ParkFranklin Park, IL2 of 80.175 ppt19,434
Harvey*Harvey, IL2 of 80.175 ppt30,000
Niles*Niles, IL2 of 80.175 ppt30,068
LincolnwoodLincolnwood, IL2 of 80.175 ppt12,359
Melrose Park*Melrose Park, IL2 of 80.175 ppt22,700
Oak ParkOak Park, IL2 of 80.175 ppt52,524
RiverdaleRiverdale, IL2 of 80.175 ppt15,055
Park RidgePark Ridge, IL2 of 80.175 ppt36,200
River GroveRiver Grove, IL2 of 80.175 ppt10,668
River ForestRiver Forest, IL2 of 80.175 ppt11,669
WorthWorth, IL2 of 80.175 ppt11,047
Schiller ParkSchiller Park, IL2 of 80.175 ppt11,850
Justice-Willow Springs Water Commssion*Justice, IL2 of 80.175 ppt17,633
Northwest Suburban Municipal Jawa*Elk Grove Village, IL2 of 80.175 ppt319,050
South Stickny SDBurbank, IL2 of 80.175 ppt32,000
City of Chicago*Chicago, IL2 of 80.175 ppt2,896,016
NorridgeNorridge, IL2 of 80.175 ppt14,582
Buffalo Water AuthorityBuffalo, NY1 of 40.175 ppt276,000
Oak Lawn*Oak Lawn, IL2 of 80.175 ppt55,136
DeerfieldDeerfield, IL1 of 40.150 ppt18,420
Highland Park*Highland Park, IL1 of 40.150 ppt31,365

* 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 4-Androstene-3,17-dione, but it likely has the contaminant in its water supply.