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EWG's Tap Water Database — 2021 UPDATE

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Bromomethane

Castle Rock

Bromomethane, or methyl bromide, is a pesticide fumigant that was banned because it depletes the ozone layer.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND60ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Result
2014-08-13ND
2014-08-13ND
2014-08-14ND
2014-08-14ND
2014-11-19ND
2015-02-11ND
2015-02-11ND
2015-03-24ND
2015-05-19ND
2015-08-18ND
2015-08-18ND