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EWG's Tap Water Database — 2021 UPDATE

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butylated hydroxyanisole

Status: No national drinking water standard exists

 

Butylated hydroxyanisole, or BHA, is used as a food preservative. The chemical is considered a possible human carcinogen and classified by the European Union as an endocrine disruptor.

2018-2021:

FOUND

6

states detected

12

utilities detected

320,000

people served

States reporting butylated hydroxyanisole in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
California2202,031
Mississippi126,000
Arkansas522,172
Illinois121,495
Pennsylvania120,000
District Of Columbia115,690
Hawaii112,660
MORE
LESS

Filtering technologies that reduce butylated hydroxyanisole

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Activated Carbon

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Reverse Osmosis

Utilities with the highest amounts of butylated hydroxyanisole , 2018-2021

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Naval Station Washington - WNYWashington Navy Yard, DC2 of 40.180 ppb15,690
Menifee WaterMenifee, AR1 of 40.0425 ppb445
Conway County Regional Water District*Morrilton, AR1 of 40.0425 ppb18,943
Oppelo WaterOppelo, AR1 of 40.0425 ppb1,300
PlumervillePlumerville, AR1 of 40.0425 ppb826
Perry Water SystemPerry, AR1 of 40.0425 ppb658
GenevaGeneva, IL1 of 20.0295 ppb21,495
Ambler Boro Water DeptAmbler, PA1 of 220.00682 ppb20,000
City of PearlPearl, MS1 of 200.00650 ppb26,000
Fair Oaks Water DistrictFair Oaks, CA1 of 140.00314 ppb40,000
Suburban Water Systems - San Jose HillsCovina, CA1 of 200.00265 ppb162,031
Kalaheo-KoloaLihue, HI1 of 200.00150 ppb12,660

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

UtilityLocationTestsAverage levelPeople served
Naval Station Washington - WNYWashington Navy Yard, DC2 of 40.180 ppb15,690
Conway County Regional Water District*Morrilton, AR1 of 40.0425 ppb18,943
GenevaGeneva, IL1 of 20.0295 ppb21,495
Ambler Boro Water DeptAmbler, PA1 of 220.00682 ppb20,000
City of PearlPearl, MS1 of 200.00650 ppb26,000
Fair Oaks Water DistrictFair Oaks, CA1 of 140.00314 ppb40,000
Suburban Water Systems - San Jose HillsCovina, CA1 of 200.00265 ppb162,031
Kalaheo-KoloaLihue, HI1 of 200.00150 ppb12,660

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