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EWG's Tap Water Database — 2021 UPDATE

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Bromodichloromethane

Springs Hill WSC

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

 

107

Samples

0

Samples exceeding legal limit (MCL)

89

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
201413.9 ppb1715ND - 44.0 ppb
201510.2 ppb1816ND - 38.2 ppb
20166.79 ppb1813ND - 26.5 ppb
20173.98 ppb1815ND - 11.9 ppb
201814.1 ppb1816ND - 37.2 ppb
201911.0 ppb1814ND - 37.8 ppb

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
2014-02-10AC41888ND
2014-02-10AC418822.90 ppb
2014-02-10AC418832.80 ppb
2014-02-10AC4188910.00 ppb
2014-05-09AC5388931.0 ppb
2014-05-09AC538726.20 ppb
2014-05-09AC539033.90 ppb
2014-05-09AC5388830.5 ppb
2014-07-29AC6134744.0 ppb
2014-07-29AC6142926.4 ppb
2014-07-29AC614387.40 ppb
2014-07-29AC614285.30 ppb
2014-07-29AC6143039.5 ppb
2014-10-03AC68893ND
2014-10-03AC688955.90 ppb
2014-10-03AC688816.70 ppb
2014-10-03AC6889414.4 ppb
2015-02-16AC80624ND
2015-02-16AC8060131.6 ppb
2015-02-16AC806026.70 ppb
2015-02-16AC806005.40 ppb
2015-02-16AC8059728.6 ppb
2015-04-17AC887661.000 ppb
2015-04-17AC887693.50 ppb
2015-04-17AC887823.20 ppb
2015-04-17AC887844.40 ppb
2015-07-21AD004211.50 ppb
2015-07-21AD003502.60 ppb
2015-07-21AD003515.20 ppb
2015-07-21AD003736.90 ppb
2015-07-21AD003526.60 ppb
2015-11-06AD12939ND
2015-11-06AD1293837.6 ppb
2015-11-06AD1295138.2 ppb
2015-11-06AD129351.20 ppb
2016-01-13AD17893ND
2016-01-13AD178501.20 ppb
2016-01-13AD178476.60 ppb
2016-01-13AD1784911.9 ppb
2016-01-13AD178489.30 ppb
2016-04-05AD31804ND
2016-04-05AD318037.60 ppb
2016-04-05AD3180812.2 ppb
2016-04-05AD318078.40 ppb
2016-07-07AD43351ND
2016-07-07AD43288ND
2016-07-07AD4328026.5 ppb
2016-07-07AD4327623.9 ppb
2016-07-07AD432921.20 ppb
2016-10-06AD52651ND
2016-10-06AD526507.30 ppb
2016-10-06AD526494.90 ppb
2016-10-06AD526401.30 ppb
2017-01-26AD67181ND
2017-01-26AD67079ND
2017-01-26AD670833.60 ppb
2017-01-26AD670802.60 ppb
2017-01-26AD671151.20 ppb
2017-04-21AD806621.20 ppb
2017-04-21AD806582.90 ppb
2017-04-21AD806692.70 ppb
2017-04-21AD806665.50 ppb
2017-07-24AD903801.000 ppb
2017-07-24AD903208.30 ppb
2017-07-24AD903343.40 ppb
2017-07-24AD903242.00 ppb
2017-07-24AD903193.80 ppb
2017-11-17AE05353ND
2017-11-17AE0534811.2 ppb
2017-11-17AE0535210.3 ppb
2017-11-17AE0534911.9 ppb
2018-01-19AE09545ND
2018-01-19AE09486ND
2018-01-19AE094776.00 ppb
2018-01-19AE094835.70 ppb
2018-01-19AE094825.40 ppb
2018-04-04AE211811.000 ppb
2018-04-04AE2117526.0 ppb
2018-04-04AE2117326.1 ppb
2018-04-04AE2117137.2 ppb
2018-07-09AE326281.50 ppb
2018-07-09AE325561.30 ppb
2018-07-09AE3255729.1 ppb
2018-07-09AE3255519.7 ppb
2018-07-09AE3255115.3 ppb
2018-11-13AE459171.10 ppb
2018-11-13AE4592231.6 ppb
2018-11-13AE4592026.0 ppb
2018-11-13AE4592121.2 ppb
2019-03-13AE584161.10 ppb
2019-03-13AE5840337.8 ppb
2019-03-13AE5839737.7 ppb
2019-03-13AE5839932.7 ppb
2019-04-29AE639271.000 ppb
2019-04-29AE6390411.5 ppb
2019-04-29AE6393212.3 ppb
2019-04-29AE6392112.3 ppb
2019-08-01AE76828ND
2019-08-01AE76766ND
2019-08-01AE767647.10 ppb
2019-08-01AE767609.20 ppb
2019-08-01AE767596.60 ppb
2019-10-07AE85784ND
2019-10-07AE858027.30 ppb
2019-10-07AE8580012.8 ppb
2019-10-07AE858058.90 ppb
2019-11-22AE90438ND