Bromochloroacetic acid
Goleta 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.
198
Samples
0
Samples exceeding legal limit (MCL)
164
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 3.81 ppb | 35 | 32 | ND - 6.40 ppb |
| 2015 | 4.15 ppb | 35 | 33 | ND - 7.20 ppb |
| 2016 | 2.47 ppb | 32 | 22 | ND - 9.10 ppb |
| 2017 | 3.28 ppb | 32 | 25 | ND - 6.50 ppb |
| 2018 | 3.61 ppb | 32 | 25 | ND - 7.90 ppb |
| 2019 | 3.31 ppb | 32 | 27 | ND - 6.60 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 |
|---|---|---|
| 2014-02-12 | 9590-049-0959 | 3.90 ppb |
| 2014-02-12 | 9590-050-0947 | 2.90 ppb |
| 2014-02-12 | 9590-051-0838 | 4.70 ppb |
| 2014-02-12 | 9590-052-0903 | 4.40 ppb |
| 2014-02-12 | 9590-053-0928 | 4.00 ppb |
| 2014-02-12 | 9590-054-0939 | 3.00 ppb |
| 2014-02-12 | 9590-055-0915 | 4.60 ppb |
| 2014-02-12 | 9590-056-0851 | 4.20 ppb |
| 2014-05-14 | 9590-013-1120 | 1.60 ppb |
| 2014-05-14 | 9590-049-1050 | 4.90 ppb |
| 2014-05-14 | 9590-050-1005 | 3.80 ppb |
| 2014-05-14 | 9590-051-0820 | 4.20 ppb |
| 2014-05-14 | 9590-052-0855 | 4.50 ppb |
| 2014-05-14 | 9590-053-0930 | 3.40 ppb |
| 2014-05-14 | 9590-054-0950 | 4.40 ppb |
| 2014-05-14 | 9590-055-0910 | 4.60 ppb |
| 2014-05-14 | 9590-056-0840 | 4.00 ppb |
| 2014-08-13 | 9590-013-1213 | ND |
| 2014-08-13 | 9590-049-1010 | 5.80 ppb |
| 2014-08-13 | 9590-050-1035 | 4.00 ppb |
| 2014-08-13 | 9590-051-0830 | 5.30 ppb |
| 2014-08-13 | 9590-052-0915 | 4.90 ppb |
| 2014-08-13 | 9590-053-1115 | 3.30 ppb |
| 2014-08-13 | 9590-054-1055 | 5.60 ppb |
| 2014-08-13 | 9590-055-1135 | 1.70 ppb |
| 2014-08-13 | 9590-056-0850 | 4.80 ppb |
| 2014-12-11 | 9590-013-1342 | 4.70 ppb |
| 2014-12-11 | 9590-049-1245 | 6.40 ppb |
| 2014-12-11 | 9590-050-1232 | 2.10 ppb |
| 2014-12-11 | 9590-051-1110 | 5.10 ppb |
| 2014-12-11 | 9590-052-1132 | 5.80 ppb |
| 2014-12-11 | 9590-053-1200 | ND |
| 2014-12-11 | 9590-054-1218 | 1.30 ppb |
| 2014-12-11 | 9590-055-1145 | ND |
| 2014-12-11 | 9590-056-1124 | 5.60 ppb |
| 2015-02-11 | 9590-049-1035 | 5.00 ppb |
| 2015-02-11 | 9590-050-1020 | 6.80 ppb |
| 2015-02-11 | 9590-051-0815 | 5.10 ppb |
| 2015-02-11 | 9590-052-0857 | 1.40 ppb |
| 2015-02-11 | 9590-053-0945 | 4.30 ppb |
| 2015-02-11 | 9590-054-1000 | 1.30 ppb |
| 2015-02-11 | 9590-055-0926 | 1.30 ppb |
| 2015-02-11 | 9590-056-0840 | 7.10 ppb |
| 2015-05-13 | 9590-013-1145 | 1.20 ppb |
| 2015-05-13 | 9590-049-1057 | 5.30 ppb |
| 2015-05-13 | 9590-050-1112 | 2.20 ppb |
| 2015-05-13 | 9590-051-0831 | 5.50 ppb |
| 2015-05-13 | 9590-052-0909 | 6.60 ppb |
| 2015-05-13 | 9590-053-1010 | 1.70 ppb |
| 2015-05-13 | 9590-054-1037 | 2.50 ppb |
| 2015-05-13 | 9590-055-0954 | 1.80 ppb |
| 2015-05-13 | 9590-056-0853 | 5.40 ppb |
| 2015-08-12 | 9590-013-0507 | 1.50 ppb |
| 2015-08-12 | 9590-049-0400 | 5.60 ppb |
| 2015-08-12 | 9590-050-0431 | 4.90 ppb |
| 2015-08-12 | 9590-051-0330 | 7.00 ppb |
| 2015-08-12 | 9590-052-0305 | 6.60 ppb |
| 2015-08-12 | 9590-053-0418 | ND |
| 2015-08-12 | 9590-054-0354 | 4.90 ppb |
| 2015-08-12 | 9590-055-0324 | 4.60 ppb |
| 2015-08-12 | 9590-056-0310 | 6.00 ppb |
| 2015-12-09 | 9590-013-1136 | 2.10 ppb |
| 2015-12-09 | 9590-049-1101 | 7.00 ppb |
| 2015-12-09 | 9590-050-1042 | 6.90 ppb |
| 2015-12-09 | 9590-051-0803 | 6.40 ppb |
| 2015-12-09 | 9590-052-0854 | 1.20 ppb |
| 2015-12-09 | 9590-053-0949 | ND |
| 2015-12-09 | 9590-054-1015 | 7.00 ppb |
| 2015-12-09 | 9590-055-0922 | 2.00 ppb |
| 2015-12-09 | 9590-056-0834 | 7.20 ppb |
| 2016-02-10 | 9590-049-1047 | 1.70 ppb |
| 2016-02-10 | 9590-050-1047 | 2.30 ppb |
| 2016-02-10 | 9590-051-0812 | 4.30 ppb |
| 2016-02-10 | 9590-052-0908 | ND |
| 2016-02-10 | 9590-053-1133 | ND |
| 2016-02-10 | 9590-054-1110 | 1.20 ppb |
| 2016-02-10 | 9590-055-0939 | 2.30 ppb |
| 2016-02-10 | 9590-056-0841 | 6.30 ppb |
| 2016-05-10 | 9590-049-1015 | 3.80 ppb |
| 2016-05-10 | 9590-050-1030 | 1.20 ppb |
| 2016-05-10 | 9590-051-0815 | 5.70 ppb |
| 2016-05-10 | 9590-052-0900 | 1.20 ppb |
| 2016-05-10 | 9590-053-0940 | ND |
| 2016-05-10 | 9590-054-1000 | 2.10 ppb |
| 2016-05-10 | 9590-055-0920 | 3.50 ppb |
| 2016-05-10 | 9590-056-0845 | 8.00 ppb |
| 2016-08-07 | 9590-049-0455 | 9.10 ppb |
| 2016-08-07 | 9590-050-0522 | 7.60 ppb |
| 2016-08-07 | 9590-051-0715 | 5.60 ppb |
| 2016-08-07 | 9590-052-0645 | ND |
| 2016-08-07 | 9590-053-0410 | ND |
| 2016-08-07 | 9590-054-0545 | 3.90 ppb |
| 2016-08-07 | 9590-055-0615 | ND |
| 2016-08-07 | 9590-056-0330 | 1.60 ppb |
| 2016-12-12 | 9590-049-0447 | 1.20 ppb |
| 2016-12-12 | 9590-050-0505 | 1.10 ppb |
| 2016-12-12 | 9590-051-0545 | 3.50 ppb |
| 2016-12-12 | 9590-052-0322 | ND |
| 2016-12-12 | 9590-053-0403 | ND |
| 2016-12-12 | 9590-054-0520 | 1.90 ppb |
| 2016-12-12 | 9590-055-0344 | ND |
| 2016-12-12 | 9590-056-0258 | ND |
| 2017-02-16 | 9590-049-1030 | 1.30 ppb |
| 2017-02-16 | 9590-050-1050 | ND |
| 2017-02-16 | 9590-051-0848 | 3.60 ppb |
| 2017-02-16 | 9590-052-0952 | ND |
| 2017-02-16 | 9590-053-1008 | ND |
| 2017-02-16 | 9590-054-1110 | 1.50 ppb |
| 2017-02-16 | 9590-055-0935 | ND |
| 2017-02-16 | 9590-056-0912 | 3.90 ppb |
| 2017-05-13 | 9590-049-0630 | 1.30 ppb |
| 2017-05-13 | 9590-050-0600 | 2.10 ppb |
| 2017-05-13 | 9590-051-0348 | 3.60 ppb |
| 2017-05-13 | 9590-052-0440 | ND |
| 2017-05-13 | 9590-053-0518 | ND |
| 2017-05-13 | 9590-054-0540 | 2.30 ppb |
| 2017-05-13 | 9590-055-0500 | ND |
| 2017-05-13 | 9590-056-0410 | 1.20 ppb |
| 2017-08-09 | 9590-049-1218 | 6.50 ppb |
| 2017-08-09 | 9590-050-1150 | 6.00 ppb |
| 2017-08-09 | 9590-051-0912 | 6.00 ppb |
| 2017-08-09 | 9590-052-1028 | 5.90 ppb |
| 2017-08-09 | 9590-053-1100 | 5.40 ppb |
| 2017-08-09 | 9590-054-1130 | 6.30 ppb |
| 2017-08-09 | 9590-055-1041 | 5.80 ppb |
| 2017-08-09 | 9590-056-0940 | 5.40 ppb |
| 2017-12-13 | 9590-049-0850 | 4.50 ppb |
| 2017-12-13 | 9590-050-0820 | 4.40 ppb |
| 2017-12-13 | 9590-051-1005 | 5.00 ppb |
| 2017-12-13 | 9590-052-0630 | 4.60 ppb |
| 2017-12-13 | 9590-053-0720 | 4.20 ppb |
| 2017-12-13 | 9590-054-0750 | 4.80 ppb |
| 2017-12-13 | 9590-055-0652 | 4.80 ppb |
| 2017-12-13 | 9590-056-0600 | 4.50 ppb |
| 2018-02-14 | 9590-049-1100 | 1.70 ppb |
| 2018-02-14 | 9590-050-1135 | 1.20 ppb |
| 2018-02-14 | 9590-051-1245 | 1.50 ppb |
| 2018-02-14 | 9590-052-0945 | ND |
| 2018-02-14 | 9590-053-1038 | ND |
| 2018-02-14 | 9590-054-1200 | 1.60 ppb |
| 2018-02-14 | 9590-055-1010 | ND |
| 2018-02-14 | 9590-056-0905 | ND |
| 2018-05-08 | 9590-049-0230 | 2.50 ppb |
| 2018-05-08 | 9590-050-0257 | 1.50 ppb |
| 2018-05-08 | 9590-051-0038 | 3.20 ppb |
| 2018-05-08 | 9590-052-0100 | ND |
| 2018-05-08 | 9590-053-0155 | ND |
| 2018-05-08 | 9590-054-0318 | 1.20 ppb |
| 2018-05-08 | 9590-055-0130 | ND |
| 2018-05-08 | 9590-056-0010 | 1.80 ppb |
| 2018-08-16 | 9590-049-0740 | 7.80 ppb |
| 2018-08-16 | 9590-050-0810 | 6.10 ppb |
| 2018-08-16 | 9590-051-0915 | 7.90 ppb |
| 2018-08-16 | 9590-052-0615 | 6.10 ppb |
| 2018-08-16 | 9590-053-0705 | 5.40 ppb |
| 2018-08-16 | 9590-054-0840 | 7.70 ppb |
| 2018-08-16 | 9590-055-0640 | 7.70 ppb |
| 2018-08-16 | 9590-056-0555 | 5.70 ppb |
| 2018-11-14 | 9590-049-0818 | 5.70 ppb |
| 2018-11-14 | 9590-050-0840 | 5.30 ppb |
| 2018-11-14 | 9590-051-0955 | 4.90 ppb |
| 2018-11-14 | 9590-052-0648 | 4.70 ppb |
| 2018-11-14 | 9590-053-0748 | 6.30 ppb |
| 2018-11-14 | 9590-055-0718 | 5.90 ppb |
| 2018-11-14 | 9590-056-0618 | 5.40 ppb |
| 2018-12-07 | 9590-054-0855 | 6.80 ppb |
| 2019-02-14 | 9590-049-0620 | 1.50 ppb |
| 2019-02-14 | 9590-050-0639 | 1.40 ppb |
| 2019-02-14 | 9590-051-0735 | 5.40 ppb |
| 2019-02-14 | 9590-052-0514 | ND |
| 2019-02-14 | 9590-053-0546 | 2.00 ppb |
| 2019-02-14 | 9590-054-0702 | ND |
| 2019-02-14 | 9590-055-0530 | ND |
| 2019-02-14 | 9590-056-0501 | 4.50 ppb |
| 2019-05-14 | 9590-049-0710 | 3.00 ppb |
| 2019-05-14 | 9590-050-0730 | 1.20 ppb |
| 2019-05-14 | 9590-051-0820 | 5.90 ppb |
| 2019-05-14 | 9590-052-0600 | ND |
| 2019-05-14 | 9590-053-0645 | 2.00 ppb |
| 2019-05-14 | 9590-054-0750 | 3.10 ppb |
| 2019-05-14 | 9590-055-0630 | ND |
| 2019-05-14 | 9590-056-0535 | 1.50 ppb |
| 2019-08-14 | 9590-049-0640 | 5.80 ppb |
| 2019-08-14 | 9590-050-0715 | 5.80 ppb |
| 2019-08-14 | 9590-051-0815 | 6.20 ppb |
| 2019-08-14 | 9590-052-0445 | 6.40 ppb |
| 2019-08-14 | 9590-053-0600 | 5.60 ppb |
| 2019-08-14 | 9590-054-0748 | 5.80 ppb |
| 2019-08-14 | 9590-055-0520 | 6.60 ppb |
| 2019-08-14 | 9590-056-0855 | 6.00 ppb |
| 2019-11-11 | 9590-049-0715 | 2.20 ppb |
| 2019-11-11 | 9590-050-0745 | 5.40 ppb |
| 2019-11-11 | 9590-051-0830 | 3.60 ppb |
| 2019-11-11 | 9590-052-0540 | 1.20 ppb |
| 2019-11-11 | 9590-053-0640 | 5.00 ppb |
| 2019-11-11 | 9590-054-0815 | 3.80 ppb |
| 2019-11-11 | 9590-055-0610 | 1.30 ppb |
| 2019-11-11 | 9590-056-0500 | 3.80 ppb |