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EWG's Tap Water Database — 2021 UPDATE

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Dibromochloromethane

St Bernard Parish Waterworks

Dibromochloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Dibromochloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

MORE ABOUT THIS CONTAMINANT

 

196

Samples

0

Samples exceeding legal limit (MCL)

150

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.863 ppb368ND - 12.5 ppb
20153.04 ppb3216ND - 6.90 ppb
20163.93 ppb32320.920 ppb - 8.20 ppb
20174.34 ppb32322.10 ppb - 8.60 ppb
20183.04 ppb32321.70 ppb - 5.00 ppb
20192.00 ppb3230ND - 3.90 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.1 ppb

The EWG Health Guideline of 0.1 ppb for dibromochloromethane was proposed in 2018 by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-21AD884680.550 ppb
2014-01-21AD884680.550 ppb
2014-02-18201165125ND
2014-02-18201165126ND
2014-02-18201165127ND
2014-02-18201165128ND
2014-02-18201165125ND
2014-02-18201165126ND
2014-02-18201165127ND
2014-02-18201165128ND
2014-05-18204028001ND
2014-05-18204028002ND
2014-05-18204028003ND
2014-05-18204028004ND
2014-05-18204028001ND
2014-05-18204028002ND
2014-05-18204028003ND
2014-05-18204028004ND
2014-08-262086420011.80 ppb
2014-08-26208642002ND
2014-08-2620864200312.5 ppb
2014-08-26208642004ND
2014-08-262086420011.80 ppb
2014-08-26208642002ND
2014-08-2620864200312.5 ppb
2014-08-26208642004ND
2014-10-03AD980420.680 ppb
2014-10-03AD980420.680 ppb
2014-11-142012347001ND
2014-11-142012347002ND
2014-11-142012347003ND
2014-11-142012347004ND
2014-11-142012347001ND
2014-11-142012347002ND
2014-11-142012347003ND
2014-11-142012347004ND
2015-02-042015681001ND
2015-02-042015681002ND
2015-02-042015681003ND
2015-02-042015681004ND
2015-02-042015681001ND
2015-02-042015681002ND
2015-02-042015681003ND
2015-02-042015681004ND
2015-05-082019642001ND
2015-05-082019642002ND
2015-05-082019642003ND
2015-05-082019642004ND
2015-05-082019642001ND
2015-05-082019642002ND
2015-05-082019642003ND
2015-05-082019642004ND
2015-08-2520246700016.60 ppb
2015-08-2520246700026.90 ppb
2015-08-2520246700036.50 ppb
2015-08-2520246700046.70 ppb
2015-08-2520246700016.60 ppb
2015-08-2520246700026.90 ppb
2015-08-2520246700036.50 ppb
2015-08-2520246700046.70 ppb
2015-11-1620286870015.70 ppb
2015-11-1620286870025.50 ppb
2015-11-1620286870035.20 ppb
2015-11-1620286870045.50 ppb
2015-11-1620286870015.70 ppb
2015-11-1620286870025.50 ppb
2015-11-1620286870035.20 ppb
2015-11-1620286870045.50 ppb
2016-02-2616030044-0010.990 ppb
2016-02-2616030044-0020.920 ppb
2016-02-2616030044-0030.960 ppb
2016-02-2616030044-0040.930 ppb
2016-02-2616030044-0010.990 ppb
2016-02-2616030044-0020.920 ppb
2016-02-2616030044-0030.960 ppb
2016-02-2616030044-0040.930 ppb
2016-05-023544401.90 ppb
2016-05-023544411.90 ppb
2016-05-023544421.90 ppb
2016-05-023544431.80 ppb
2016-05-023544401.90 ppb
2016-05-023544411.90 ppb
2016-05-023544421.90 ppb
2016-05-023544431.80 ppb
2016-08-2935386344.30 ppb
2016-08-2935386355.10 ppb
2016-08-2935386365.20 ppb
2016-08-2935386375.20 ppb
2016-08-2935386344.30 ppb
2016-08-2935386355.10 ppb
2016-08-2935386365.20 ppb
2016-08-2935386375.20 ppb
2016-11-2135958827.50 ppb
2016-11-2135958838.20 ppb
2016-11-2135958848.10 ppb
2016-11-2135958858.00 ppb
2016-11-2135958827.50 ppb
2016-11-2135958838.20 ppb
2016-11-2135958848.10 ppb
2016-11-2135958858.00 ppb
2017-02-02352928350012.50 ppb
2017-02-02352928350022.30 ppb
2017-02-02352928350032.10 ppb
2017-02-02352928350042.40 ppb
2017-02-02352928350012.50 ppb
2017-02-02352928350022.30 ppb
2017-02-02352928350032.10 ppb
2017-02-02352928350042.40 ppb
2017-05-11353119610013.10 ppb
2017-05-11353119610022.80 ppb
2017-05-11353119610032.50 ppb
2017-05-11353119610042.80 ppb
2017-05-11353119610013.10 ppb
2017-05-11353119610022.80 ppb
2017-05-11353119610032.50 ppb
2017-05-11353119610042.80 ppb
2017-08-08353293010015.20 ppb
2017-08-08353293010034.40 ppb
2017-08-08353293010044.90 ppb
2017-08-08353293010015.20 ppb
2017-08-08353293010034.40 ppb
2017-08-08353293010044.90 ppb
2017-08-16353309600013.70 ppb
2017-08-16353309600013.70 ppb
2017-11-07353472040018.60 ppb
2017-11-07353472040027.60 ppb
2017-11-07353472040037.20 ppb
2017-11-07353472040047.30 ppb
2017-11-07353472040018.60 ppb
2017-11-07353472040027.60 ppb
2017-11-07353472040037.20 ppb
2017-11-07353472040047.30 ppb
2018-02-02353718810013.50 ppb
2018-02-02353718810023.30 ppb
2018-02-02353718810033.30 ppb
2018-02-02353718810043.30 ppb
2018-02-02353718810013.50 ppb
2018-02-02353718810023.30 ppb
2018-02-02353718810033.30 ppb
2018-02-02353718810043.30 ppb
2018-05-17353930240011.70 ppb
2018-05-17353930240021.90 ppb
2018-05-17353930240031.90 ppb
2018-05-17353930240041.80 ppb
2018-05-17353930240011.70 ppb
2018-05-17353930240021.90 ppb
2018-05-17353930240031.90 ppb
2018-05-17353930240041.80 ppb
2018-08-08354098450014.90 ppb
2018-08-08354098450025.00 ppb
2018-08-08354098450034.80 ppb
2018-08-08354098450044.40 ppb
2018-08-08354098450014.90 ppb
2018-08-08354098450025.00 ppb
2018-08-08354098450034.80 ppb
2018-08-08354098450044.40 ppb
2018-11-15354316960012.40 ppb
2018-11-15354316960022.20 ppb
2018-11-15354316960032.20 ppb
2018-11-15354316960042.10 ppb
2018-11-15354316960012.40 ppb
2018-11-15354316960022.20 ppb
2018-11-15354316960032.20 ppb
2018-11-15354316960042.10 ppb
2019-02-21354500250011.60 ppb
2019-02-21354500250021.50 ppb
2019-02-21354500250031.50 ppb
2019-02-21354500250041.60 ppb
2019-02-21354500250011.60 ppb
2019-02-21354500250021.50 ppb
2019-02-21354500250031.50 ppb
2019-02-21354500250041.60 ppb
2019-05-10354678650011.30 ppb
2019-05-10354678650021.20 ppb
2019-05-10354678650031.20 ppb
2019-05-1035467865004ND
2019-05-10354678650011.30 ppb
2019-05-10354678650021.20 ppb
2019-05-10354678650031.20 ppb
2019-05-1035467865004ND
2019-08-13354900470013.50 ppb
2019-08-13354900470023.70 ppb
2019-08-13354900470033.40 ppb
2019-08-13354900470043.90 ppb
2019-08-13354900470013.50 ppb
2019-08-13354900470023.70 ppb
2019-08-13354900470033.40 ppb
2019-08-13354900470043.90 ppb
2019-11-14355128550012.10 ppb
2019-11-14355128550021.80 ppb
2019-11-14355128550031.90 ppb
2019-11-14355128550041.80 ppb
2019-11-14355128550012.10 ppb
2019-11-14355128550021.80 ppb
2019-11-14355128550031.90 ppb
2019-11-14355128550041.80 ppb