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EWG's Tap Water Database — 2021 UPDATE

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Dibromochloromethane

Pulaski, Town of

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

 

52

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.141 ppb82ND - 0.610 ppb
20150.210 ppb113ND - 0.980 ppb
20160.0422 ppb91ND - 0.380 ppb
2017ND80ND
20180.161 ppb102ND - 0.830 ppb
2019ND60ND

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
2014-03-311404736-01AND
2014-03-311404736-02AND
2014-06-121406H81-03AND
2014-06-121406H81-01AND
2014-09-111409G60-03A0.520 ppb
2014-09-111409G60-01A0.610 ppb
2014-12-111412I75-03AND
2014-12-111412I75-01AND
2015-03-1200281-REI CONSULND
2015-03-1200281-REI CONSULND
2015-06-1800281-REI CONSUL0.980 ppb
2015-06-1800281-REI CONSUL0.970 ppb
2015-08-1300281-REI CONSULND
2015-09-1700281-REI CONSULND
2015-09-1700281-REI CONSULND
2015-10-2900281-REI CONSUL0.360 ppb
2015-10-2900281-REI CONSULND
2015-12-1700281-REI CONSULND
2015-12-1700281-REI CONSULND
2016-03-1716032420-01AND
2016-03-1716032420-03AND
2016-03-1716032420-06AND
2016-06-1616062258--01AND
2016-06-1616062258-03AND
2016-09-1516092046-06A0.380 ppb
2016-09-1916092046-04AND
2016-12-1516122187-01AND
2016-12-1516122187-03AND
2017-03-1617032261-01AND
2017-03-1617032261-03AND
2017-06-1517062378-06AND
2017-06-1617062378-08AND
2017-09-1417092151-03AND
2017-09-1417092151-01AND
2017-12-1417122301-01AND
2017-12-1417122301-03AND
2018-03-1518032221-03AND
2018-03-1518032221-01AND
2018-06-1318-05140TTHMND
2018-06-1318-05141TTHMND
2018-06-1418062324-01AND
2018-06-1418062324-03AND
2018-09-2018092757-01A0.830 ppb
2018-09-2018092757-03A0.780 ppb
2018-12-1318121937-01AND
2018-12-1318121937-04AND
2019-03-1419032058-01AND
2019-03-1419032058-04AND
2019-06-1319061948-01AND
2019-06-1319061948-04AND
2019-12-127311568004ND
2019-12-127311568001ND