Bromochloroacetic acid
Santa Clarita Water Division
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.
192
Samples
0
Samples exceeding legal limit (MCL)
168
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 1.75 ppb | 32 | 27 | ND - 3.40 ppb |
| 2015 | 2.15 ppb | 32 | 24 | ND - 8.10 ppb |
| 2016 | 2.81 ppb | 32 | 26 | ND - 7.70 ppb |
| 2017 | 5.90 ppb | 32 | 32 | 2.80 ppb - 10.00 ppb |
| 2018 | 3.93 ppb | 32 | 30 | ND - 14.0 ppb |
| 2019 | 3.67 ppb | 32 | 29 | ND - 9.10 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 |
|---|---|---|
| 2014-02-13 | 9590-800-0950 | 3.00 ppb |
| 2014-02-13 | 9590-801-1110 | 1.40 ppb |
| 2014-02-13 | 9590-802-1130 | 3.30 ppb |
| 2014-02-13 | 9590-803-1005 | 2.90 ppb |
| 2014-02-13 | 9590-804-1000 | 2.60 ppb |
| 2014-02-13 | 9590-805-1115 | ND |
| 2014-02-13 | 9590-806-1040 | 2.50 ppb |
| 2014-02-13 | 9590-807-1140 | 1.80 ppb |
| 2014-05-15 | 9590-800-1200 | 3.40 ppb |
| 2014-05-15 | 9590-801-1245 | 1.90 ppb |
| 2014-05-15 | 9590-802-1215 | 2.60 ppb |
| 2014-05-15 | 9590-803-1310 | ND |
| 2014-05-15 | 9590-804-1400 | 2.00 ppb |
| 2014-05-15 | 9590-805-1500 | 1.60 ppb |
| 2014-05-15 | 9590-806-1330 | 1.60 ppb |
| 2014-05-15 | 9590-807-1130 | 1.70 ppb |
| 2014-08-14 | 9590-800-1340 | 1.10 ppb |
| 2014-08-14 | 9590-801-1105 | ND |
| 2014-08-14 | 9590-802-1320 | 1.20 ppb |
| 2014-08-14 | 9590-803-1225 | ND |
| 2014-08-14 | 9590-804-1035 | 1.80 ppb |
| 2014-08-14 | 9590-805-1000 | ND |
| 2014-08-14 | 9590-806-1135 | 1.30 ppb |
| 2014-08-14 | 9590-807-0925 | 1.70 ppb |
| 2014-11-13 | 9590-800-1345 | 1.70 ppb |
| 2014-11-13 | 9590-801-1230 | 2.50 ppb |
| 2014-11-13 | 9590-802-1315 | 1.50 ppb |
| 2014-11-13 | 9590-803-1345 | 2.20 ppb |
| 2014-11-13 | 9590-804-1410 | 2.40 ppb |
| 2014-11-13 | 9590-805-1115 | 2.40 ppb |
| 2014-11-13 | 9590-806-1340 | 1.90 ppb |
| 2014-11-13 | 9590-807-1155 | 1.90 ppb |
| 2015-02-12 | 9590-800-1245 | 2.40 ppb |
| 2015-02-12 | 9590-801-1005 | 6.50 ppb |
| 2015-02-12 | 9590-802-1240 | 2.20 ppb |
| 2015-02-12 | 9590-803-1130 | 3.10 ppb |
| 2015-02-12 | 9590-804-1030 | 3.00 ppb |
| 2015-02-12 | 9590-805-1100 | 2.00 ppb |
| 2015-02-12 | 9590-806-1105 | 1.80 ppb |
| 2015-02-12 | 9590-807-1145 | 3.70 ppb |
| 2015-05-14 | 9590-800-1120 | ND |
| 2015-05-14 | 9590-801-1050 | 8.10 ppb |
| 2015-05-14 | 9590-802-1100 | 1.10 ppb |
| 2015-05-14 | 9590-803-1140 | ND |
| 2015-05-14 | 9590-804-0950 | ND |
| 2015-05-14 | 9590-805-1015 | ND |
| 2015-05-14 | 9590-806-1400 | 1.60 ppb |
| 2015-05-14 | 9590-807-1320 | ND |
| 2015-08-13 | 9590-800-1120 | 2.60 ppb |
| 2015-08-13 | 9590-801-1100 | 7.20 ppb |
| 2015-08-13 | 9590-802-1113 | 1.60 ppb |
| 2015-08-13 | 9590-803-0942 | 4.10 ppb |
| 2015-08-13 | 9590-804-1055 | 2.60 ppb |
| 2015-08-13 | 9590-805-1030 | 2.00 ppb |
| 2015-08-13 | 9590-806-1025 | 1.30 ppb |
| 2015-08-13 | 9590-807-0945 | 2.30 ppb |
| 2015-11-09 | 9590-800-0900 | 2.00 ppb |
| 2015-11-09 | 9590-801-0825 | 2.20 ppb |
| 2015-11-09 | 9590-802-0830 | ND |
| 2015-11-09 | 9590-803-0945 | 1.30 ppb |
| 2015-11-09 | 9590-804-0845 | 2.70 ppb |
| 2015-11-09 | 9590-805-0710 | ND |
| 2015-11-09 | 9590-806-1030 | ND |
| 2015-11-09 | 9590-807-1000 | 1.50 ppb |
| 2016-02-08 | 9590-800-1025 | ND |
| 2016-02-08 | 9590-801-0930 | 4.60 ppb |
| 2016-02-08 | 9590-802-1000 | 2.20 ppb |
| 2016-02-08 | 9590-803-0910 | 3.10 ppb |
| 2016-02-08 | 9590-804-1040 | 3.20 ppb |
| 2016-02-08 | 9590-805-1115 | ND |
| 2016-02-08 | 9590-806-0950 | 1.80 ppb |
| 2016-02-08 | 9590-807-0840 | 2.50 ppb |
| 2016-05-09 | 9590-800-0900 | 2.30 ppb |
| 2016-05-09 | 9590-801-1000 | ND |
| 2016-05-09 | 9590-802-0830 | 1.70 ppb |
| 2016-05-09 | 9590-803-0935 | ND |
| 2016-05-09 | 9590-804-0925 | 2.20 ppb |
| 2016-05-09 | 9590-805-0900 | 1.80 ppb |
| 2016-05-09 | 9590-806-1030 | ND |
| 2016-05-09 | 9590-807-1030 | 1.50 ppb |
| 2016-08-08 | 9590-800-0910 | ND |
| 2016-08-08 | 9590-801-0845 | 5.40 ppb |
| 2016-08-08 | 9590-802-0900 | 2.40 ppb |
| 2016-08-08 | 9590-803-1030 | 1.70 ppb |
| 2016-08-08 | 9590-804-1140 | 2.80 ppb |
| 2016-08-08 | 9590-805-1045 | 1.10 ppb |
| 2016-08-08 | 9590-806-1100 | 2.40 ppb |
| 2016-08-08 | 9590-807-0950 | 1.90 ppb |
| 2016-11-07 | 9590-800-0835 | 7.40 ppb |
| 2016-11-07 | 9590-801-0905 | 2.70 ppb |
| 2016-11-07 | 9590-802-0845 | 5.60 ppb |
| 2016-11-07 | 9590-803-0840 | 7.70 ppb |
| 2016-11-07 | 9590-804-0940 | 7.10 ppb |
| 2016-11-07 | 9590-805-0905 | 4.20 ppb |
| 2016-11-07 | 9590-806-0910 | 5.60 ppb |
| 2016-11-07 | 9590-807-0900 | 5.00 ppb |
| 2017-02-06 | 9590-800-0945 | 6.30 ppb |
| 2017-02-06 | 9590-801-1035 | 6.00 ppb |
| 2017-02-06 | 9590-802-1010 | 5.80 ppb |
| 2017-02-06 | 9590-803-1100 | 5.10 ppb |
| 2017-02-06 | 9590-804-1400 | 5.60 ppb |
| 2017-02-06 | 9590-805-1320 | 5.10 ppb |
| 2017-02-06 | 9590-806-1420 | 5.40 ppb |
| 2017-02-06 | 9590-807-1130 | 5.50 ppb |
| 2017-05-08 | 9590-800-1010 | 6.70 ppb |
| 2017-05-08 | 9590-801-0840 | 5.40 ppb |
| 2017-05-08 | 9590-802-0900 | 5.00 ppb |
| 2017-05-08 | 9590-803-0920 | 5.60 ppb |
| 2017-05-08 | 9590-804-0945 | 4.50 ppb |
| 2017-05-08 | 9590-805-0920 | 5.30 ppb |
| 2017-05-08 | 9590-806-0940 | 4.90 ppb |
| 2017-05-08 | 9590-807-0830 | 5.30 ppb |
| 2017-08-07 | 9590-800-0915 | 8.20 ppb |
| 2017-08-07 | 9590-801-1015 | 10.00 ppb |
| 2017-08-07 | 9590-802-0940 | 7.80 ppb |
| 2017-08-07 | 9590-803-1020 | 5.50 ppb |
| 2017-08-07 | 9590-804-1320 | 2.80 ppb |
| 2017-08-07 | 9590-805-1010 | 6.20 ppb |
| 2017-08-07 | 9590-806-1130 | 3.70 ppb |
| 2017-08-07 | 9590-807-0900 | 5.70 ppb |
| 2017-11-13 | 9590-800-1150 | 9.80 ppb |
| 2017-11-13 | 9590-801-1115 | 10.00 ppb |
| 2017-11-13 | 9590-802-1135 | 6.00 ppb |
| 2017-11-13 | 9590-803-1410 | 5.00 ppb |
| 2017-11-13 | 9590-804-1130 | 5.10 ppb |
| 2017-11-13 | 9590-805-1200 | 5.00 ppb |
| 2017-11-13 | 9590-806-1345 | 6.00 ppb |
| 2017-11-13 | 9590-807-1400 | 4.40 ppb |
| 2018-02-05 | 9590-800-0945 | 4.20 ppb |
| 2018-02-05 | 9590-801-1020 | 6.40 ppb |
| 2018-02-05 | 9590-802-1000 | 5.30 ppb |
| 2018-02-05 | 9590-803-0925 | 5.20 ppb |
| 2018-02-05 | 9590-804-1200 | 3.90 ppb |
| 2018-02-05 | 9590-805-1050 | 4.80 ppb |
| 2018-02-05 | 9590-806-0900 | 2.00 ppb |
| 2018-02-05 | 9590-807-0930 | 3.20 ppb |
| 2018-05-07 | 9590-800-0845 | 6.10 ppb |
| 2018-05-07 | 9590-801-0955 | 14.0 ppb |
| 2018-05-07 | 9590-802-0835 | 3.20 ppb |
| 2018-05-07 | 9590-803-1125 | 7.80 ppb |
| 2018-05-07 | 9590-804-1130 | 3.00 ppb |
| 2018-05-07 | 9590-805-1025 | 4.40 ppb |
| 2018-05-07 | 9590-806-1110 | ND |
| 2018-05-07 | 9590-807-0910 | 2.20 ppb |
| 2018-08-06 | 9590-800-1115 | 7.60 ppb |
| 2018-08-06 | 9590-801-1125 | 3.30 ppb |
| 2018-08-06 | 9590-802-1325 | 1.90 ppb |
| 2018-08-06 | 9590-803-0845 | ND |
| 2018-08-06 | 9590-804-1030 | 2.10 ppb |
| 2018-08-06 | 9590-805-1000 | 2.70 ppb |
| 2018-08-06 | 9590-806-0930 | 1.30 ppb |
| 2018-08-06 | 9590-807-0840 | 2.80 ppb |
| 2018-11-05 | 9590-800-1315 | 5.20 ppb |
| 2018-11-05 | 9590-801-0945 | 8.20 ppb |
| 2018-11-05 | 9590-802-0830 | 2.90 ppb |
| 2018-11-05 | 9590-803-1215 | 2.30 ppb |
| 2018-11-05 | 9590-804-1130 | 2.30 ppb |
| 2018-11-05 | 9590-805-0840 | 2.60 ppb |
| 2018-11-05 | 9590-806-1115 | 2.40 ppb |
| 2018-11-05 | 9590-807-0700 | 2.50 ppb |
| 2019-02-19 | 9590-800-1030 | 9.10 ppb |
| 2019-02-19 | 9590-801-1050 | 6.70 ppb |
| 2019-02-19 | 9590-802-0950 | 3.60 ppb |
| 2019-02-19 | 9590-803-1135 | 4.10 ppb |
| 2019-02-19 | 9590-804-1005 | ND |
| 2019-02-19 | 9590-805-1200 | 4.50 ppb |
| 2019-02-19 | 9590-806-1115 | 2.70 ppb |
| 2019-02-19 | 9590-807-0840 | ND |
| 2019-05-13 | 9590-800-1030 | 4.00 ppb |
| 2019-05-13 | 9590-801-1100 | 5.80 ppb |
| 2019-05-13 | 9590-802-1040 | 2.80 ppb |
| 2019-05-13 | 9590-803-1200 | 2.80 ppb |
| 2019-05-13 | 9590-804-0940 | 1.40 ppb |
| 2019-05-13 | 9590-805-0910 | 2.70 ppb |
| 2019-05-13 | 9590-806-1130 | 2.70 ppb |
| 2019-05-13 | 9590-807-0820 | 4.00 ppb |
| 2019-08-12 | 9590-800-0810 | 4.60 ppb |
| 2019-08-12 | 9590-801-0900 | ND |
| 2019-08-12 | 9590-802-0830 | 4.50 ppb |
| 2019-08-12 | 9590-803-0745 | 2.80 ppb |
| 2019-08-12 | 9590-804-1000 | 6.70 ppb |
| 2019-08-12 | 9590-805-1030 | 3.80 ppb |
| 2019-08-12 | 9590-806-0930 | 3.00 ppb |
| 2019-08-12 | 9590-807-1150 | 4.60 ppb |
| 2019-11-04 | 9590-800-0945 | 5.90 ppb |
| 2019-11-04 | 9590-801-1015 | 5.40 ppb |
| 2019-11-04 | 9590-802-1000 | 3.50 ppb |
| 2019-11-04 | 9590-804-0845 | 3.80 ppb |
| 2019-11-04 | 9590-805-0910 | 3.80 ppb |
| 2019-11-04 | 9590-807-1040 | 4.60 ppb |
| 2019-11-14 | 9590-803-0955 | 1.80 ppb |
| 2019-11-14 | 9590-806-1020 | 1.60 ppb |