Bromochloroacetic acid

Santa Margarita 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.

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120

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2013	N/A	0	0	N/A
2014	N/A	0	0	N/A
2015	N/A	0	0	N/A
2016	0.775 ppb	24	12	ND - 2.00 ppb
2017	1.42 ppb	32	24	ND - 3.30 ppb
2018	1.53 ppb	32	24	ND - 3.10 ppb
2019	1.32 ppb	32	18	ND - 3.80 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
2016-04-13	9590-801-0938	1.10 ppb
2016-04-13	9590-802-0955	ND
2016-04-13	9590-803-1014	ND
2016-04-13	9590-804-1520	2.00 ppb
2016-04-13	9590-805-1430	1.30 ppb
2016-04-13	9590-806-1622	ND
2016-04-13	9590-807-1528	1.70 ppb
2016-04-14	9590-808-1054	2.00 ppb
2016-07-07	9590-801-1330	1.60 ppb
2016-07-07	9590-802-1350	1.30 ppb
2016-07-07	9590-803-1410	ND
2016-07-07	9590-804-1425	1.60 ppb
2016-07-07	9590-805-1500	1.50 ppb
2016-07-07	9590-806-1530	ND
2016-07-07	9590-807-1515	1.70 ppb
2016-07-07	9590-808-1255	1.60 ppb
2016-10-06	9590-801-1203	1.20 ppb
2016-10-06	9590-802-1332	ND
2016-10-06	9590-803-1352	ND
2016-10-06	9590-804-1048	ND
2016-10-06	9590-805-1113	ND
2016-10-06	9590-806-1416	ND
2016-10-06	9590-807-1135	ND
2016-10-06	9590-808-1000	ND
2017-01-06	9590-801-1002	ND
2017-01-06	9590-802-1023	ND
2017-01-06	9590-803-1050	ND
2017-01-06	9590-804-1118	1.20 ppb
2017-01-06	9590-805-1140	1.20 ppb
2017-01-06	9590-806-1227	ND
2017-01-06	9590-807-1252	ND
2017-01-06	9590-808-1157	1.60 ppb
2017-04-06	9590-801-0850	2.60 ppb
2017-04-06	9590-802-0915	2.50 ppb
2017-04-06	9590-803-0935	ND
2017-04-06	9590-804-0958	2.50 ppb
2017-04-06	9590-805-1030	3.30 ppb
2017-04-06	9590-806-1109	3.00 ppb
2017-04-06	9590-807-1050	2.10 ppb
2017-04-06	9590-808-0937	3.10 ppb
2017-07-06	9590-801-1032	2.20 ppb
2017-07-06	9590-802-1050	1.70 ppb
2017-07-06	9590-803-1107	1.90 ppb
2017-07-06	9590-804-1208	2.00 ppb
2017-07-06	9590-805-1300	1.30 ppb
2017-07-06	9590-806-1338	1.20 ppb
2017-07-06	9590-807-1242	ND
2017-07-06	9590-808-0820	1.50 ppb
2017-10-05	9590-801-1042	1.80 ppb
2017-10-05	9590-802-1055	1.40 ppb
2017-10-05	9590-803-1108	ND
2017-10-05	9590-804-1126	1.90 ppb
2017-10-05	9590-805-1225	1.000 ppb
2017-10-05	9590-806-1259	1.30 ppb
2017-10-05	9590-807-1245	1.20 ppb
2017-10-05	9590-808-0857	1.80 ppb
2018-01-04	9590-801-1330	2.20 ppb
2018-01-04	9590-802-1311	1.60 ppb
2018-01-04	9590-803-1251	2.00 ppb
2018-01-04	9590-804-1225	2.60 ppb
2018-01-04	9590-805-1157	2.10 ppb
2018-01-04	9590-806-1111	1.60 ppb
2018-01-04	9590-807-1128	1.80 ppb
2018-01-04	9590-808-0828	1.90 ppb
2018-04-05	9590-801-1009	3.10 ppb
2018-04-05	9590-802-1021	1.70 ppb
2018-04-05	9590-803-1039	2.90 ppb
2018-04-05	9590-804-1058	2.40 ppb
2018-04-05	9590-805-1329	ND
2018-04-05	9590-806-1253	ND
2018-04-05	9590-807-1310	ND
2018-04-05	9590-808-0828	2.40 ppb
2018-07-03	9590-801-1252	ND
2018-07-03	9590-802-1239	1.60 ppb
2018-07-03	9590-803-1225	ND
2018-07-03	9590-804-1156	1.80 ppb
2018-07-03	9590-805-1116	ND
2018-07-03	9590-806-1023	ND
2018-07-03	9590-807-1047	1.000 ppb
2018-07-03	9590-808-0950	1.70 ppb
2018-10-04	9590-801-1004	2.70 ppb
2018-10-04	9590-802-1015	2.10 ppb
2018-10-04	9590-803-1028	2.30 ppb
2018-10-04	9590-804-1046	2.10 ppb
2018-10-04	9590-805-1106	1.70 ppb
2018-10-04	9590-806-1153	ND
2018-10-04	9590-807-1131	1.50 ppb
2018-10-04	9590-808-0928	2.30 ppb
2019-01-10	9590-801-0956	1.000 ppb
2019-01-10	9590-802-1017	ND
2019-01-10	9590-803-1040	ND
2019-01-10	9590-804-1101	ND
2019-01-10	9590-805-1259	ND
2019-01-10	9590-806-1343	ND
2019-01-10	9590-808-0828	ND
2019-01-15	9590-807-1350	ND
2019-04-04	9590-801-0823	1.10 ppb
2019-04-04	9590-802-0837	ND
2019-04-04	9590-803-0900	2.90 ppb
2019-04-04	9590-804-0930	2.80 ppb
2019-04-04	9590-805-0956	ND
2019-04-04	9590-806-1110	ND
2019-04-04	9590-807-1041	ND
2019-04-04	9590-808-1241	2.00 ppb
2019-07-25	9590-801-1043	3.80 ppb
2019-07-25	9590-802-1059	2.30 ppb
2019-07-25	9590-803-1125	ND
2019-07-25	9590-804-1147	2.10 ppb
2019-07-25	9590-805-1300	3.00 ppb
2019-07-25	9590-806-1357	3.40 ppb
2019-07-25	9590-807-1326	3.60 ppb
2019-07-25	9590-808-0932	3.30 ppb
2019-10-08	9590-801-1103	1.60 ppb
2019-10-08	9590-802-1120	1.50 ppb
2019-10-08	9590-803-1159	1.90 ppb
2019-10-08	9590-804-1220	2.00 ppb
2019-10-08	9590-805-1314	ND
2019-10-08	9590-806-1441	ND
2019-10-08	9590-807-1403	1.20 ppb
2019-10-08	9590-808-0851	2.80 ppb