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EWG's Tap Water Database — 2021 UPDATE

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Bromochloroacetic acid

Cross Valley Water District

Bromochloroacetic acid is formed when chlorine or other disinfectants are used to treat drinking water. Bromochloroacetic acid and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy.

MORE ABOUT THIS CONTAMINANT

 

102

Samples

0

Samples exceeding legal limit (MCL)

23

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.450 ppb164ND - 2.00 ppb
20150.488 ppb164ND - 2.20 ppb
20160.475 ppb164ND - 2.30 ppb
20170.450 ppb164ND - 2.30 ppb
20180.394 ppb164ND - 1.80 ppb
20190.168 ppb223ND - 1.70 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.02 ppb

The EWG Health Guideline of 0.02 ppb for bromochloroacetic acid was defined in a peer-reviewed scientific study by EWG and represents a on-in-a-million lifetime cancer risk level. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-08041381.70 ppb
2014-01-0801441ND
2014-01-0801439ND
2014-01-0801440ND
2014-04-0114263ND
2014-04-01142611.80 ppb
2014-04-0114264ND
2014-04-0114262ND
2014-07-0228968ND
2014-07-0228966ND
2014-07-0228967ND
2014-07-02289651.70 ppb
2014-10-0745271ND
2014-10-07452722.00 ppb
2014-10-0745270ND
2014-10-0745273ND
2015-01-0701100ND
2015-01-0701101ND
2015-01-07010982.10 ppb
2015-01-0701099ND
2015-04-07151292.20 ppb
2015-04-0715130ND
2015-04-0815131ND
2015-04-0815132ND
2015-07-2133592ND
2015-07-2133593ND
2015-07-21335901.80 ppb
2015-07-2133591ND
2015-10-0648844ND
2015-10-0648847ND
2015-10-06488451.70 ppb
2015-10-0648846ND
2016-01-20ND
2016-01-20ND
2016-01-201.70 ppb
2016-01-20ND
2016-04-062.30 ppb
2016-04-06ND
2016-04-06ND
2016-04-06ND
2016-07-12ND
2016-07-12ND
2016-07-121.70 ppb
2016-07-12ND
2016-10-03ND
2016-10-03ND
2016-10-03ND
2016-10-031.90 ppb
2017-01-091.50 ppb
2017-01-09ND
2017-01-09ND
2017-01-09ND
2017-04-052.10 ppb
2017-04-05ND
2017-04-05ND
2017-04-05ND
2017-07-061.30 ppb
2017-07-06ND
2017-07-06ND
2017-07-06ND
2017-10-02ND
2017-10-02ND
2017-10-02ND
2017-10-022.30 ppb
2018-01-04ND
2018-01-041.80 ppb
2018-01-04ND
2018-01-04ND
2018-04-03ND
2018-04-031.60 ppb
2018-04-03ND
2018-04-03ND
2018-07-02ND
2018-07-021.70 ppb
2018-07-02ND
2018-07-02ND
2018-10-24ND
2018-10-241.20 ppb
2018-10-24ND
2018-10-24ND
2019-01-10ND
2019-01-10ND
2019-01-10ND
2019-01-10ND
2019-04-09ND
2019-04-091.000 ppb
2019-04-09ND
2019-04-09ND
2019-07-03ND
2019-07-031.000 ppb
2019-07-03ND
2019-07-03ND
2019-09-04ND
2019-09-04ND
2019-09-04ND
2019-10-02ND
2019-10-021.70 ppb
2019-10-02ND
2019-10-02ND
2019-12-17ND
2019-12-17ND
2019-12-17ND