Bromochloroacetic acid

Montgomery County MUD 60

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	ND	16	0	ND
2015	ND	16	0	ND
2016	5.21 ppb	16	16	3.60 ppb - 6.20 ppb
2017	6.55 ppb	16	16	2.50 ppb - 9.80 ppb
2018	4.54 ppb	16	16	3.50 ppb - 6.90 ppb
2019	2.73 ppb	16	13	ND - 5.80 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
2014-02-21	AC44192	ND
2014-02-21	AC44247	ND
2014-02-21	AC44251	ND
2014-02-21	AC44188	ND
2014-04-28	AC51855	ND
2014-04-28	AC51853	ND
2014-04-28	AC51856	ND
2014-04-28	AC51859	ND
2014-07-14	AC59596	ND
2014-07-14	AC59593	ND
2014-07-14	AC59571	ND
2014-07-14	AC59584	ND
2014-10-27	AC70589	ND
2014-10-27	AC70565	ND
2014-10-27	AC70564	ND
2014-10-27	AC70567	ND
2015-02-24	AC81653	ND
2015-02-24	AC81644	ND
2015-02-24	AC81646	ND
2015-02-24	AC81640	ND
2015-05-01	AC90281	ND
2015-05-01	AC90285	ND
2015-05-01	AC90283	ND
2015-05-01	AC90279	ND
2015-07-14	AC99352	ND
2015-07-14	AC99367	ND
2015-07-14	AC99366	ND
2015-07-14	AC99354	ND
2015-10-15	AD10795	ND
2015-10-15	AD10788	ND
2015-10-15	AD10789	ND
2015-10-15	AD10787	ND
2016-03-09	AD27868	4.40 ppb
2016-03-09	AD27855	3.60 ppb
2016-03-09	AD27853	5.40 ppb
2016-03-09	AD27856	4.10 ppb
2016-05-19	AD37439	5.70 ppb
2016-05-19	AD37433	5.90 ppb
2016-05-19	AD37449	5.70 ppb
2016-05-19	AD37434	6.20 ppb
2016-09-28	AD51844	5.50 ppb
2016-09-28	AD51853	6.20 ppb
2016-09-29	AD51983	6.00 ppb
2016-09-29	AD51982	6.20 ppb
2016-11-02	AD56422	4.30 ppb
2016-11-02	AD56428	4.80 ppb
2016-11-03	AD56435	4.50 ppb
2016-11-03	AD56431	4.90 ppb
2017-01-25	AD66727	9.80 ppb
2017-01-25	AD66734	7.50 ppb
2017-03-09	AD74336	6.70 ppb
2017-03-09	AD74338	7.30 ppb
2017-04-20	AD80361	8.00 ppb
2017-04-20	AD80362	8.40 ppb
2017-04-20	AD80353	7.30 ppb
2017-04-20	AD80365	7.30 ppb
2017-07-13	AD89218	8.40 ppb
2017-07-13	AD89211	7.20 ppb
2017-07-13	AD89225	8.20 ppb
2017-07-13	AD89216	7.40 ppb
2017-11-02	AE03403	2.50 ppb
2017-11-02	AE03397	2.70 ppb
2017-11-02	AE03407	3.30 ppb
2017-11-02	AE03411	2.80 ppb
2018-02-08	AE12973	4.30 ppb
2018-02-08	AE12971	4.70 ppb
2018-02-08	AE12994	3.90 ppb
2018-02-08	AE12956	4.40 ppb
2018-05-24	AE27696	6.50 ppb
2018-05-24	AE27671	5.10 ppb
2018-05-24	AE27442	6.10 ppb
2018-05-24	AE27695	6.90 ppb
2018-09-13	AE40011	3.70 ppb
2018-09-13	AE40006	3.80 ppb
2018-09-13	AE40010	4.00 ppb
2018-09-13	AE40008	3.80 ppb
2018-11-20	AE46633	3.70 ppb
2018-11-20	AE46634	4.50 ppb
2018-11-20	AE46637	3.80 ppb
2018-11-20	AE46635	3.50 ppb
2019-03-06	AE57343	3.50 ppb
2019-03-06	AE57340	3.20 ppb
2019-03-06	AE57337	4.00 ppb
2019-03-06	AE57338	4.00 ppb
2019-05-23	AE67924	2.30 ppb
2019-05-23	AE67935	2.70 ppb
2019-05-23	AE67929	2.20 ppb
2019-05-23	AE67933	2.30 ppb
2019-09-16	AE83595	ND
2019-09-16	AE83611	1.000 ppb
2019-09-16	AE83588	ND
2019-09-30	AE85051	ND
2019-11-26	AE90569	4.40 ppb
2019-11-26	AE90577	4.60 ppb
2019-11-26	AE90581	5.80 ppb
2019-11-26	AE90571	3.60 ppb