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EWG's Tap Water Database — 2021 UPDATE

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Hexachlorobutadiene

Mountain Home Waterworks

Hexachlorobutadiene is an industrial chemical and possible human carcinogen.

 

11

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
2014ND10ND
2015ND10ND
2016ND10ND
2017ND40ND
2018ND30ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-1114072006502ND
2015-02-2415057000309ND
2016-01-2616029002302ND
2017-01-2317026000501ND
2017-04-0417095001102ND
2017-07-0417187008501ND
2017-10-0317278012701ND
2018-01-0918010003109ND
2018-04-0318094001809ND
2018-07-0218186010201ND
2019-01-0919010011302ND