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EWG's Tap Water Database — 2021 UPDATE

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Tribromoacetic acid

Status: No national drinking water standard exists

 

Tribromoacetic acid is formed when chlorine or other disinfectants are used to treat drinking water. Disinfection byproducts increase the risk of cancer and may cause problems during pregnancy.

2017-2019:

FOUND
FOUND ABOVE HEALTH GUIDELINES

1

states detected

46

utilities detected

147,000

people served

1

states over health guideline

46

utilities over health guideline

147,000

people served over health guideline

Health concerns for tribromoacetic acid

Change to fetal growth and development

State and national drinking water standards and health guidelines

EWG Health Guideline 0.04 ppb

The EWG Health Guideline of 0.04 ppb for tribromoacetic acid was defined in a peer-reviewed scientific study by EWG and represents a on-in-a-million lifetime cancer risk level. This health guideline protects against cancer.

ppb = parts per billion

States reporting tribromoacetic acid in drinking water

UTILITIES REPORTING ABOVE HEALTH GUIDELINES UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served UtilitiesPeople Served
Missouri46146,54346146,543
MORE
LESS

Filtering technologies that reduce tribromoacetic acid

Activated Carbon

Reverse Osmosis

Utilities with the highest amounts of tribromoacetic acid, 2017-2019

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Emerald View ParkBillings, MT1 of 119.2 ppb320
Platte City PWSPlatte City, MO1 of 363.08 ppb4,892
New Franklin PWSNew Franklin, MO18 of 492.10 ppb1,089
Essex PWSEssex, MO1 of 41.60 ppb474
Howard County Cons Public Water Supply District 1New Franklin, MO13 of 331.30 ppb2,100
Annapolis PWSAnnapolis, MO1 of 21.25 ppb310
Paradise Landing Kimberling ShoresSpringfield, MO1 of 21.25 ppb33
Stoddard County Public Water Supply District 1*Dexter, MO2 of 61.23 ppb4,500
Stoddard County Public Water Supply District 4Dexter, MO1 of 71.17 ppb1,526
Hawk Point PWSHawk Point, MO2 of 61.16 ppb669
Cardwell PWSCardwell, MO2 of 41.15 ppb713
Audrain County Public Water Supply District 1Mexico, MO2 of 71.10 ppb1,455
Urbana PWSUrbana, MO1 of 21.10 ppb409
Gasconade PWSGasconade, MO1 of 21.000 ppb280
Scott City PWSScott City, MO1 of 60.955 ppb4,565
Taney County Public Water Supply District 3Branson, MO1 of 50.926 ppb6,000
Meadville PWSMeadville, MO2 of 160.874 ppb450
Elsberry PWSElsberry, MO1 of 60.870 ppb1,963
Jackson County Public Water Supply District 17Grain Valley, MO1 of 70.830 ppb2,330
Gentry County Public Water Supply District 1*Albany, MO1 of 200.810 ppb2,000
Albany PWS*Albany, MO1 of 200.810 ppb1,650
McDonald County Public Water Supply District 1Jane, MO1 of 60.782 ppb2,481
Clevenger Branch Members CorporationHollister, MO2 of 60.768 ppb150
Fayette PWSFayette, MO10 of 500.731 ppb2,800
Public Water Supply District 2 of Stone County 265Branson, MO1 of 60.718 ppb1,000
Blackwater PWSBlackwater, MO5 of 230.704 ppb205
Jefferson County Cons. PWSD C 1*Barnhart, MO2 of 160.690 ppb35,000
KirkwoodKirkwood, MO2 of 160.690 ppb28,000
Jefferson County PWSD 10Arnonld, MO2 of 160.690 ppb10,000
Jefferson County PWSD 3*Arnold, MO2 of 160.690 ppb17,000
Jefferson County PWSD1*Arnold, MO2 of 160.690 ppb20,000
TerrisanBridgeton, MO2 of 160.690 ppb240
Missouri American St. Louis County & St. Charles County*Chesterfield, MO2 of 160.690 ppb1,100,000
Stoddard County Public Water Supply District 5Bloomfield, MO1 of 60.685 ppb750
Montgomery City PWS*Montgomery City, MO1 of 60.663 ppb2,712
Montgomery County Public Water Supply District 1 Montgomery CityWarrenton, MO1 of 60.663 ppb20
Liberal PWSLiberal, MO1 of 60.635 ppb759
Livingston County Public Water Supply District 3 East*Chillicothe, MO6 of 380.613 ppb2,087
Chillicothe Municipal Utilities PWS*Chillicothe, MO1 of 60.608 ppb9,515
Wellington PWSWellington, MO1 of 70.599 ppb812
Lincoln County Public Water Supply District 2Troy, MO1 of 60.587 ppb1,306
Ellington PWSEllington, MO1 of 60.583 ppb986
Liberty*Liberty, MO4 of 580.580 ppb31,507
Clay County Public Water Supply District 4*Liberty, MO4 of 580.580 ppb970
Warrenton PWSWarrenton, MO1 of 60.578 ppb8,208
Howard County Regional Water Comm.*New Franklin, MO4 of 240.574 ppb25
Winfield PWSWinfield, MO1 of 70.557 ppb1,700
Palmyra PWS*Palmyra, MO2 of 220.556 ppb3,595
Dexter PWSDexter, MO1 of 60.548 ppb7,800
Audrain County Public Water Supply District 2Mexico, MO1 of 70.540 ppb2,260

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

UtilityLocationTestsAverage levelPeople served
Jefferson County PWSD 10Arnonld, MO2 of 160.690 ppb10,000
Jefferson County Cons. PWSD C 1*Barnhart, MO2 of 160.690 ppb35,000
Jefferson County PWSD 3*Arnold, MO2 of 160.690 ppb17,000
Jefferson County PWSD1*Arnold, MO2 of 160.690 ppb20,000
Missouri American St. Louis County & St. Charles County*Chesterfield, MO2 of 160.690 ppb1,100,000
KirkwoodKirkwood, MO2 of 160.690 ppb28,000
Liberty*Liberty, MO4 of 580.580 ppb31,507
EurekaEureka, MO1 of 110.383 ppb10,574
Cape GirardeauCape Girardeau, MO2 of 300.313 ppb39,628
KennettKennett, MO1 of 120.253 ppb11,500
Sedalia*Sedalia, MO3 of 400.232 ppb22,000
Marshall*Marshall, MO5 of 960.226 ppb13,065
Lincoln County PWSD 1*Winfield, MO1 of 120.160 ppb11,000
Thomas Hill PWSD 1*Moberly, MO2 of 480.134 ppb10,315
Maryville*Maryville, MO3 of 960.120 ppb11,972
Columbia*Columbia, MO4 of 1440.113 ppb100,733
St. CharlesSt Charles, MO4 of 960.0961 ppb73,040
GladstoneKansas City, MO2 of 960.0854 ppb27,000
Macon County PWSD 1*Macon, MO1 of 970.0814 ppb11,606
RaymoreRaymore, MO1 of 580.0812 ppb21,167
FestusFestus, MO1 of 480.0558 ppb11,600
Independence*Independence, MO2 of 1020.0479 ppb117,240
Excelsior Springs*Excelsior Springs, MO2 of 960.0427 ppb11,084
WentzvilleWentzville, MO1 of 580.0360 ppb38,300
Jackson County PWSD1Grandview, MO1 of 560.0354 ppb25,000
Raytown Water CompanyRaytown, MO1 of 580.0347 ppb21,135
HannibalHannibal, MO1 of 960.0300 ppb17,916
Lees SummitLees Summit, MO1 of 1000.0215 ppb97,135

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