Bromochloroacetic acid

Ferndale

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

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2014	1.43 ppb	4	4	1.30 ppb - 1.60 ppb
2015	0.200 ppb	17	3	ND - 1.20 ppb
2016	ND	6	0	ND
2017	ND	2	0	ND
2018	0.500 ppb	2	1	ND - 1.000 ppb
2019	2.20 ppb	2	2	2.10 ppb - 2.30 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
2014-01-14	02136	1.60 ppb
2014-04-24	17536	1.50 ppb
2014-07-08	29626	1.30 ppb
2014-10-21	47196	1.30 ppb
2015-01-13	02074	ND
2015-03-24	12246	ND
2015-03-24	12247	ND
2015-03-24	12249	ND
2015-03-24	12245	1.10 ppb
2015-04-28	18473	ND
2015-04-28	18470	ND
2015-04-28	18471	ND
2015-04-28	18472	1.20 ppb
2015-07-28	34214	1.10 ppb
2015-07-28	34216	ND
2015-07-28	34215	ND
2015-07-28	34213	ND
2015-10-27	51348	ND
2015-10-27	51349	ND
2015-10-27	51347	ND
2015-10-27	51346	ND
2016-02-23		ND
2016-02-23		ND
2016-02-23		ND
2016-02-23		ND
2016-07-07		ND
2016-07-07		ND
2017-07-07		ND
2017-07-07		ND
2018-07-03		ND
2018-07-03		1.000 ppb
2019-07-23		2.10 ppb
2019-07-23		2.30 ppb