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EWG's Tap Water Database — 2021 UPDATE

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butylated hydroxyanisole

Contra Costa Water District

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND120ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-27A8B2463-01ND
2018-03-27A8B2463-02ND
2018-03-27A8B2463-03ND
2018-06-05A8E1244-01ND
2018-06-05A8E1244-02ND
2018-06-05A8E1244-03ND
2018-09-111809376-001CND
2018-09-111809376-003CND
2018-09-111809376-002CND
2018-12-041812106-001CND
2018-12-061812329-001CND
2018-12-061812329-002CND