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EWG's Tap Water Database — 2021 UPDATE

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Dibromochloromethane

City of Winston-Salem

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

 

288

Samples

0

Samples exceeding legal limit (MCL)

121

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.31 ppb4838ND - 2.00 ppb
20150.771 ppb4824ND - 3.00 ppb
20160.775 ppb4823ND - 2.70 ppb
20170.304 ppb4812ND - 1.50 ppb
20180.302 ppb4812ND - 1.40 ppb
20190.285 ppb4812ND - 1.30 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
2014-02-048881-020414-B01M1.000 ppb
2014-02-048881-020414-B02MND
2014-02-048881-020414-B03MND
2014-02-048881-020414-B04MND
2014-02-048881-020414-B05MND
2014-02-048881-020414-B06MND
2014-02-048881-020414-B07MND
2014-02-048881-020414-B08MND
2014-02-048881-020414-B09M1.000 ppb
2014-02-048881-020414-B10MND
2014-02-048881-020414-B11MND
2014-02-048881-020414-B12M1.000 ppb
2014-05-068881-050614-B01M1.000 ppb
2014-05-068881-050614-B02M1.000 ppb
2014-05-068881-050614-B03M2.00 ppb
2014-05-068881-050614-B04MND
2014-05-068881-050614-B05M1.000 ppb
2014-05-068881-050614-B06M1.000 ppb
2014-05-068881-050614-B07M1.000 ppb
2014-05-068881-050614-B08M1.000 ppb
2014-05-068881-050614-B09M2.00 ppb
2014-05-068881-050614-B10M2.00 ppb
2014-05-068881-050614-B11M2.00 ppb
2014-05-068881-050614-B12M2.00 ppb
2014-08-058881-080514-B01M2.00 ppb
2014-08-058881-080514-B02M2.00 ppb
2014-08-058881-080514-B03M2.00 ppb
2014-08-058881-080514-B04M2.00 ppb
2014-08-058881-080514-B05M2.00 ppb
2014-08-058881-080514-B06M2.00 ppb
2014-08-058881-080514-B07M2.00 ppb
2014-08-058881-080514-B08M2.00 ppb
2014-08-058881-080514-B09M2.00 ppb
2014-08-058881-080514-B10M2.00 ppb
2014-08-058881-080514-B11M2.00 ppb
2014-08-058881-080514-B12M2.00 ppb
2014-11-048881-110414-B01M1.000 ppb
2014-11-048881-110414-B02M2.00 ppb
2014-11-048881-110414-B03M2.00 ppb
2014-11-048881-110414-B04M1.000 ppb
2014-11-048881-110414-B05M1.000 ppb
2014-11-048881-110414-B06M1.000 ppb
2014-11-048881-110414-B07M2.00 ppb
2014-11-048881-110414-B08M2.00 ppb
2014-11-048881-110414-B09M2.00 ppb
2014-11-048881-110414-B10M2.00 ppb
2014-11-048881-110414-B11M2.00 ppb
2014-11-048881-110414-B12M2.00 ppb
2015-02-03ND
2015-02-03ND
2015-02-031.000 ppb
2015-02-03ND
2015-02-03ND
2015-02-03ND
2015-02-03ND
2015-02-03ND
2015-02-03ND
2015-02-031.000 ppb
2015-02-031.000 ppb
2015-02-251.000 ppb
2015-05-06ND
2015-05-06ND
2015-05-06ND
2015-05-06ND
2015-05-06ND
2015-05-06ND
2015-05-06ND
2015-05-061.000 ppb
2015-05-061.000 ppb
2015-05-062.00 ppb
2015-05-14ND
2015-05-141.000 ppb
2015-08-052.00 ppb
2015-08-052.00 ppb
2015-08-052.00 ppb
2015-08-051.000 ppb
2015-08-052.00 ppb
2015-08-052.00 ppb
2015-08-052.00 ppb
2015-08-052.00 ppb
2015-08-052.00 ppb
2015-08-052.00 ppb
2015-08-052.00 ppb
2015-08-053.00 ppb
2015-11-04ND
2015-11-04ND
2015-11-04ND
2015-11-04ND
2015-11-04ND
2015-11-04ND
2015-11-041.000 ppb
2015-11-041.000 ppb
2015-11-041.000 ppb
2015-11-04ND
2015-11-04ND
2015-11-041.000 ppb
2016-02-038881-020316-B01MND
2016-02-038881-020316-B02MND
2016-02-038881-020316-B03MND
2016-02-038881-020316-B04MND
2016-02-038881-020316-B05MND
2016-02-038881-020316-B06MND
2016-02-038881-020316-B07MND
2016-02-038881-020316-B08MND
2016-02-038881-020316-B09MND
2016-02-038881-020316-B11MND
2016-02-038881-020316-B12MND
2016-02-198881-021916-B10MND
2016-05-048881-050416-B01M1.000 ppb
2016-05-048881-050416-B02M1.000 ppb
2016-05-048881-050416-B03M1.000 ppb
2016-05-048881-050416-B04MND
2016-05-048881-050416-B05M1.000 ppb
2016-05-048881-050416-B06M1.000 ppb
2016-05-048881-050416-B07M1.000 ppb
2016-05-048881-050416-B08M1.000 ppb
2016-05-048881-050416-B09M1.000 ppb
2016-05-048881-050416-B10M1.000 ppb
2016-05-048881-050416-B11M1.000 ppb
2016-05-048881-050416-B12M2.00 ppb
2016-08-038881-080316-B01M1.90 ppb
2016-08-038881-080316-B02M2.00 ppb
2016-08-038881-080316-B03M2.00 ppb
2016-08-038881-080316-B04M1.50 ppb
2016-08-038881-080316-B05M1.90 ppb
2016-08-038881-080316-B06M1.80 ppb
2016-08-038881-080316-B07M2.50 ppb
2016-08-038881-080316-B08M2.20 ppb
2016-08-038881-080316-B09M2.00 ppb
2016-08-038881-080316-B10M2.50 ppb
2016-08-038881-080316-B11M2.20 ppb
2016-08-038881-080316-B12M2.70 ppb
2016-11-028881-110216-B01MND
2016-11-028881-110216-B02MND
2016-11-028881-110216-B03MND
2016-11-028881-110216-B04MND
2016-11-028881-110216-B05MND
2016-11-028881-110216-B06MND
2016-11-028881-110216-B07MND
2016-11-028881-110216-B08MND
2016-11-028881-110216-B09MND
2016-11-028881-110216-B10MND
2016-11-028881-110216-B11MND
2016-11-028881-110216-B12MND
2017-02-018881-020117-B01MND
2017-02-018881-020117-B02MND
2017-02-018881-020117-B03MND
2017-02-018881-020117-B04MND
2017-02-018881-020117-B05MND
2017-02-018881-020117-B06MND
2017-02-018881-020117-B07MND
2017-02-018881-020117-B08MND
2017-02-018881-020117-B09MND
2017-02-018881-020117-B10MND
2017-02-018881-020117-B11MND
2017-02-018881-020117-B12MND
2017-05-038881-050317-B01MND
2017-05-038881-050317-B02MND
2017-05-038881-050317-B03MND
2017-05-038881-050317-B04MND
2017-05-038881-050317-B05MND
2017-05-038881-050317-B06MND
2017-05-038881-050317-B07MND
2017-05-038881-050317-B08MND
2017-05-038881-050317-B09MND
2017-05-038881-050317-B10MND
2017-05-038881-050317-B11MND
2017-05-038881-050317-B12MND
2017-08-028881-080217-B01M1.20 ppb
2017-08-028881-080217-B02M1.10 ppb
2017-08-028881-080217-B03M1.20 ppb
2017-08-028881-080217-B04M1.20 ppb
2017-08-028881-080217-B05M1.10 ppb
2017-08-028881-080217-B06M1.10 ppb
2017-08-028881-080217-B07M1.30 ppb
2017-08-028881-080217-B08M1.30 ppb
2017-08-028881-080217-B09M1.50 ppb
2017-08-028881-080217-B10M1.20 ppb
2017-08-028881-080217-B11M1.10 ppb
2017-08-028881-080217-B12M1.30 ppb
2017-11-018881-110117-B01MND
2017-11-018881-110117-B02MND
2017-11-018881-110117-B03MND
2017-11-018881-110117-B04MND
2017-11-018881-110117-B05MND
2017-11-018881-110117-B06MND
2017-11-018881-110117-B07MND
2017-11-018881-110117-B08MND
2017-11-018881-110117-B09MND
2017-11-018881-110117-B10MND
2017-11-018881-110117-B11MND
2017-11-018881-110117-B12MND
2018-02-078881-020718-B01MND
2018-02-078881-020718-B02MND
2018-02-078881-020718-B03MND
2018-02-078881-020718-B04MND
2018-02-078881-020718-B05MND
2018-02-078881-020718-B06MND
2018-02-078881-020718-B07MND
2018-02-078881-020718-B08MND
2018-02-078881-020718-B09MND
2018-02-078881-020718-B10MND
2018-02-078881-020718-B11MND
2018-02-078881-020718-B12MND
2018-05-028881-050218-B01MND
2018-05-028881-050218-B02MND
2018-05-028881-050218-B03MND
2018-05-028881-050218-B04MND
2018-05-028881-050218-B05MND
2018-05-028881-050218-B06MND
2018-05-028881-050218-B07MND
2018-05-028881-050218-B08MND
2018-05-028881-050218-B09MND
2018-05-028881-050218-B10MND
2018-05-028881-050218-B11MND
2018-05-028881-050218-B12MND
2018-08-018881-080118-B01M1.10 ppb
2018-08-018881-080118-B02M1.10 ppb
2018-08-018881-080118-B03M1.40 ppb
2018-08-018881-080118-B04M1.000 ppb
2018-08-018881-080118-B05M1.10 ppb
2018-08-018881-080118-B06M1.10 ppb
2018-08-018881-080118-B07M1.10 ppb
2018-08-018881-080118-B08M1.000 ppb
2018-08-018881-080118-B09M1.40 ppb
2018-08-018881-080118-B10M1.40 ppb
2018-08-018881-080118-B11M1.40 ppb
2018-08-018881-080118-B12M1.40 ppb
2018-11-078881-110718-B01MND
2018-11-078881-110718-B02MND
2018-11-078881-110718-B03MND
2018-11-078881-110718-B04MND
2018-11-078881-110718-B05MND
2018-11-078881-110718-B06MND
2018-11-078881-110718-B07MND
2018-11-078881-110718-B08MND
2018-11-078881-110718-B09MND
2018-11-078881-110718-B10MND
2018-11-078881-110718-B11MND
2018-11-078881-110718-B12MND
2019-02-068881-020619-B01MND
2019-02-068881-020619-B02MND
2019-02-068881-020619-B03MND
2019-02-068881-020619-B04MND
2019-02-068881-020619-B05MND
2019-02-068881-020619-B06MND
2019-02-068881-020619-B07MND
2019-02-068881-020619-B08MND
2019-02-068881-020619-B09MND
2019-02-068881-020619-B10MND
2019-02-068881-020619-B11MND
2019-02-068881-020619-B12MND
2019-05-018881-050119-B01MND
2019-05-018881-050119-B02MND
2019-05-018881-050119-B03MND
2019-05-018881-050119-B04MND
2019-05-018881-050119-B05MND
2019-05-018881-050119-B06MND
2019-05-018881-050119-B07MND
2019-05-018881-050119-B08MND
2019-05-018881-050119-B09MND
2019-05-018881-050119-B10MND
2019-05-018881-050119-B11MND
2019-05-018881-050119-B12MND
2019-08-078881-080719-B01M1.10 ppb
2019-08-078881-080719-B02M1.10 ppb
2019-08-078881-080719-B03M1.10 ppb
2019-08-078881-080719-B04M1.20 ppb
2019-08-078881-080719-B05M1.20 ppb
2019-08-078881-080719-B06M1.20 ppb
2019-08-078881-080719-B07M1.10 ppb
2019-08-078881-080719-B08M1.20 ppb
2019-08-078881-080719-B09M1.30 ppb
2019-08-078881-080719-B10M1.10 ppb
2019-08-078881-080719-B11M1.000 ppb
2019-08-078881-080719-B12M1.10 ppb
2019-11-068881-110619-B01MND
2019-11-068881-110619-B02MND
2019-11-068881-110619-B03MND
2019-11-068881-110619-B04MND
2019-11-068881-110619-B05MND
2019-11-068881-110619-B06MND
2019-11-068881-110619-B07MND
2019-11-068881-110619-B08MND
2019-11-068881-110619-B09MND
2019-11-068881-110619-B10MND
2019-11-068881-110619-B11MND
2019-11-068881-110619-B12MND