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EWG's Tap Water Database — 2021 UPDATE

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Bromodichloromethane

West Hwy 80 Ark Road WS

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

 

196

Samples

0

Samples exceeding legal limit (MCL)

164

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20145.30 ppb3626ND - 24.7 ppb
20154.23 ppb3218ND - 19.3 ppb
20163.08 ppb3228ND - 9.52 ppb
20174.30 ppb3230ND - 12.2 ppb
20185.93 ppb3230ND - 14.3 ppb
20194.15 ppb32321.10 ppb - 11.0 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
2014-02-1812789512.70 ppb
2014-02-1812789523.76 ppb
2014-02-1812789533.82 ppb
2014-02-1812789542.33 ppb
2014-02-1812789512.70 ppb
2014-02-1812789523.76 ppb
2014-02-1812789533.82 ppb
2014-02-1812789542.33 ppb
2014-05-1513022731.28 ppb
2014-05-151302274ND
2014-05-151302275ND
2014-05-1513022761.11 ppb
2014-05-1513022731.28 ppb
2014-05-151302274ND
2014-05-151302275ND
2014-05-1513022761.11 ppb
2014-08-04AD94924ND
2014-08-04AD94924ND
2014-08-11AD95313ND
2014-08-11AD95313ND
2014-08-21132864016.1 ppb
2014-08-21132864123.0 ppb
2014-08-21132864224.7 ppb
2014-08-21132864313.1 ppb
2014-08-21132864016.1 ppb
2014-08-21132864123.0 ppb
2014-08-21132864224.7 ppb
2014-08-21132864313.1 ppb
2014-11-2513531111.41 ppb
2014-11-251353112ND
2014-11-2513531130.620 ppb
2014-11-2513531141.46 ppb
2014-11-2513531111.41 ppb
2014-11-251353112ND
2014-11-2513531130.620 ppb
2014-11-2513531141.46 ppb
2015-02-181373853ND
2015-02-181373854ND
2015-02-1813738551.48 ppb
2015-02-1813738561.30 ppb
2015-02-181373853ND
2015-02-181373854ND
2015-02-1813738551.48 ppb
2015-02-1813738561.30 ppb
2015-05-1913962142.09 ppb
2015-05-191396215ND
2015-05-191396216ND
2015-05-1913962175.46 ppb
2015-05-1913962142.09 ppb
2015-05-191396215ND
2015-05-191396216ND
2015-05-1913962175.46 ppb
2015-08-031415897ND
2015-08-031415898ND
2015-08-031415899ND
2015-08-0314159001.66 ppb
2015-08-031415897ND
2015-08-031415898ND
2015-08-031415899ND
2015-08-0314159001.66 ppb
2015-11-18144567219.3 ppb
2015-11-18144567312.6 ppb
2015-11-18144567219.3 ppb
2015-11-18144567312.6 ppb
2015-11-19144567012.4 ppb
2015-11-19144567111.4 ppb
2015-11-19144567012.4 ppb
2015-11-19144567111.4 ppb
2016-02-1114673094.31 ppb
2016-02-1114673104.75 ppb
2016-02-111467311ND
2016-02-111467312ND
2016-02-1114673094.31 ppb
2016-02-1114673104.75 ppb
2016-02-111467311ND
2016-02-111467312ND
2016-05-0514900781.72 ppb
2016-05-0514900790.600 ppb
2016-05-0514900801.34 ppb
2016-05-0514900812.37 ppb
2016-05-0514900781.72 ppb
2016-05-0514900790.600 ppb
2016-05-0514900801.34 ppb
2016-05-0514900812.37 ppb
2016-08-0915147892.67 ppb
2016-08-0915147905.48 ppb
2016-08-0915147970.910 ppb
2016-08-0915147982.23 ppb
2016-08-0915147892.67 ppb
2016-08-0915147905.48 ppb
2016-08-0915147970.910 ppb
2016-08-0915147982.23 ppb
2016-11-0115379631.58 ppb
2016-11-0115379643.22 ppb
2016-11-0115379719.52 ppb
2016-11-0115379728.56 ppb
2016-11-0115379631.58 ppb
2016-11-0115379643.22 ppb
2016-11-0115379719.52 ppb
2016-11-0115379728.56 ppb
2017-02-09352945480232.40 ppb
2017-02-09352945480245.10 ppb
2017-02-09352945480252.80 ppb
2017-02-0935294548026ND
2017-02-09352945480232.40 ppb
2017-02-09352945480245.10 ppb
2017-02-09352945480252.80 ppb
2017-02-0935294548026ND
2017-05-05353106180313.00 ppb
2017-05-05353106180325.00 ppb
2017-05-05353106180332.60 ppb
2017-05-05353106180340.270 ppb
2017-05-05353106180313.00 ppb
2017-05-05353106180325.00 ppb
2017-05-05353106180332.60 ppb
2017-05-05353106180340.270 ppb
2017-08-14353312850095.20 ppb
2017-08-14353312850106.90 ppb
2017-08-143533128501112.2 ppb
2017-08-14353312850095.20 ppb
2017-08-14353312850106.90 ppb
2017-08-143533128501112.2 ppb
2017-08-29353332210011.70 ppb
2017-08-29353332210011.70 ppb
2017-11-09353475490013.60 ppb
2017-11-09353475490025.70 ppb
2017-11-093534754900310.4 ppb
2017-11-09353475490041.90 ppb
2017-11-09353475490013.60 ppb
2017-11-09353475490025.70 ppb
2017-11-093534754900310.4 ppb
2017-11-09353475490041.90 ppb
2018-02-21353761480010.870 ppb
2018-02-21353761480022.50 ppb
2018-02-21353761480031.40 ppb
2018-02-2135376148004ND
2018-02-21353761480010.870 ppb
2018-02-21353761480022.50 ppb
2018-02-21353761480031.40 ppb
2018-02-2135376148004ND
2018-05-21353939280016.00 ppb
2018-05-21353939280028.90 ppb
2018-05-21353939280037.30 ppb
2018-05-21353939280041.30 ppb
2018-05-21353939280016.00 ppb
2018-05-21353939280028.90 ppb
2018-05-21353939280037.30 ppb
2018-05-21353939280041.30 ppb
2018-08-15354116160016.20 ppb
2018-08-153541161600212.8 ppb
2018-08-153541161600310.2 ppb
2018-08-15354116160041.90 ppb
2018-08-15354116160016.20 ppb
2018-08-153541161600212.8 ppb
2018-08-153541161600310.2 ppb
2018-08-15354116160041.90 ppb
2018-11-013542822500514.3 ppb
2018-11-01354282250067.70 ppb
2018-11-01354282250071.80 ppb
2018-11-013542822500811.7 ppb
2018-11-013542822500514.3 ppb
2018-11-01354282250067.70 ppb
2018-11-01354282250071.80 ppb
2018-11-013542822500811.7 ppb
2019-02-18354493600012.50 ppb
2019-02-18354493600025.80 ppb
2019-02-18354493600036.50 ppb
2019-02-18354493600041.70 ppb
2019-02-18354493600012.50 ppb
2019-02-18354493600025.80 ppb
2019-02-18354493600036.50 ppb
2019-02-18354493600041.70 ppb
2019-05-15354693190014.10 ppb
2019-05-15354693190021.30 ppb
2019-05-15354693190037.80 ppb
2019-05-15354693190041.10 ppb
2019-05-15354693190014.10 ppb
2019-05-15354693190021.30 ppb
2019-05-15354693190037.80 ppb
2019-05-15354693190041.10 ppb
2019-08-01354870220016.10 ppb
2019-08-01354870220023.20 ppb
2019-08-013548702200311.0 ppb
2019-08-01354870220041.30 ppb
2019-08-01354870220016.10 ppb
2019-08-01354870220023.20 ppb
2019-08-013548702200311.0 ppb
2019-08-01354870220041.30 ppb
2019-11-19355140870014.20 ppb
2019-11-19355140870023.20 ppb
2019-11-19355140870035.20 ppb
2019-11-19355140870041.40 ppb
2019-11-19355140870014.20 ppb
2019-11-19355140870023.20 ppb
2019-11-19355140870035.20 ppb
2019-11-19355140870041.40 ppb