Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.500 ppb61ND - 3.00 ppb
2015ND30ND
2016ND20ND
20170.680 ppb21ND - 1.36 ppb
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-25Q1406059008ND
2014-02-25Q1406059012ND
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
2018-03-13Q1810518005ND
2019-03-04Q1909364003ND