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EWG's Tap Water Database — 2021 UPDATE

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Bromodichloromethane

City of Dumas

Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane 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

 

110

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
2014ND190ND
2015ND190ND
2016ND190ND
2017ND190ND
2018ND170ND
2019ND170ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.06 ppb

The EWG Health Guideline of 0.06 ppb for bromodichloromethane 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
2014-03-05Q1407151001ND
2014-03-05Q1407151002ND
2014-03-05Q1407151003ND
2014-03-05Q1407151004ND
2014-06-11Q1420645010ND
2014-06-11Q1420645011ND
2014-06-11Q1420645021ND
2014-06-11Q1420645022ND
2014-06-11Q1420645023ND
2014-06-11Q1420645024ND
2014-06-11Q1420645006ND
2014-07-30Q1432548001ND
2014-07-30Q1432548003ND
2014-07-30Q1432548004ND
2014-08-05Q1434090001ND
2014-10-14Q1452306001ND
2014-10-14Q1452306002ND
2014-10-14Q1452306003ND
2014-10-14Q1452306004ND
2015-03-03Q1508192001ND
2015-03-03Q1508192002ND
2015-03-03Q1508192003ND
2015-03-03Q1508192004ND
2015-04-29Q1515757002ND
2015-04-29Q1515757011ND
2015-04-29Q1515757013ND
2015-04-29Q1515757006ND
2015-04-29Q1515757007ND
2015-04-29Q1515757008ND
2015-04-29Q1515757009ND
2015-07-21Q1528026001ND
2015-07-21Q1528026002ND
2015-07-21Q1528026003ND
2015-07-21Q1528026004ND
2015-11-16Q1544858001ND
2015-11-16Q1544858002ND
2015-11-16Q1544858003ND
2015-11-16Q1544858004ND
2016-03-08Q1609649001ND
2016-03-08Q1609649002ND
2016-03-08Q1609649004ND
2016-03-15Q1610756002ND
2016-03-15Q1610756005ND
2016-03-15Q1610756012ND
2016-03-15Q1610756010ND
2016-06-08Q1623372001ND
2016-06-08Q1623372002ND
2016-06-08Q1623372003ND
2016-06-08Q1623372004ND
2016-09-13Q1637546001ND
2016-09-13Q1637546002ND
2016-09-13Q1637546003ND
2016-09-13Q1637546004ND
2016-10-27Q1645892001ND
2016-10-27Q1645892002ND
2016-10-27Q1645892003ND
2016-10-27Q1645892004ND
2017-01-24Q1703245007ND
2017-01-24Q1703245005ND
2017-01-24Q1703245014ND
2017-01-24Q1703245008ND
2017-01-24Q1703245001ND
2017-04-20Q1716293004ND
2017-04-20Q1716293011ND
2017-04-20Q1716293012ND
2017-04-20Q1716293001ND
2017-04-20Q1716293002ND
2017-08-02Q1732283001ND
2017-08-02Q1732283008ND
2017-08-02Q1732283009ND
2017-08-02Q1732283010ND
2017-08-02Q1732283011ND
2017-10-25Q1754831001ND
2017-10-25Q1754831004ND
2017-10-25Q1754831002ND
2017-10-25Q1754831003ND
2018-01-25Q1803109003ND
2018-01-25Q1803109001ND
2018-01-25Q1803109004ND
2018-01-25Q1803109002ND
2018-04-26Q1817088002ND
2018-04-26Q1817088001ND
2018-04-26Q1817088004ND
2018-04-26Q1817088003ND
2018-08-08Q1831669004ND
2018-08-08Q1831669001ND
2018-08-08Q1831669006ND
2018-08-08Q1831669007ND
2018-08-08Q1831669002ND
2018-10-29Q1843336001ND
2018-10-29Q1843336002ND
2018-10-29Q1843336003ND
2018-10-29Q1843336004ND
2019-01-31Q1904808003ND
2019-01-31Q1904808001ND
2019-01-31Q1904808004ND
2019-01-31Q1904808002ND
2019-04-18Q1915742003ND
2019-04-18Q1915742006ND
2019-04-18Q1915742007ND
2019-04-18Q1915742008ND
2019-04-18Q1915742009ND
2019-07-31Q1949330001ND
2019-07-31Q1949330002ND
2019-07-31Q1949330003ND
2019-07-31Q1949330004ND
2019-10-29Q1974399001ND
2019-10-29Q1974399002ND
2019-10-29Q1974399003ND
2019-10-29Q1974399004ND