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EWG's Tap Water Database — 2019 UPDATE

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Bromochloromethane

City of Denison

Bromochloromethane is a tap water disinfection byproduct; it is also used as an intermediate in chemical manufacturing and as a fire extinguishing agent. Disinfection byproducts in drinking water increase the risk of cancer.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND20ND
20140.500 ppb61ND - 3.00 ppb
2015ND30ND
2016ND20ND
20170.680 ppb21ND - 1.36 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2012-02-011202040006ND
2013-03-061303263005ND
2013-06-12Q1302205017ND
2014-02-25Q1406059012ND
2014-02-25Q1406059008ND
2014-04-2435135556001AMND
2014-06-3035144086001AM3.00 ppb
2014-10-3035161880005AMND
2014-10-3035161880001AMND
2015-01-2935173367001AMND
2015-03-03Q1507894007ND
2015-06-15Q1522052001ND
2016-02-16Q1606768002ND
2016-02-16Q1606768003ND
2017-02-07Q1705466002ND
2017-08-08Q17337900021.36 ppb