Bromochloroacetic acid
Metropolitan Utilities 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.
240
Samples
0
Samples exceeding legal limit (MCL)
240
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 4.86 ppb | 48 | 48 | 3.29 ppb - 6.59 ppb |
| 2019 | 5.36 ppb | 48 | 48 | 3.71 ppb - 7.02 ppb |
| 2020 | 6.37 ppb | 48 | 48 | 4.75 ppb - 9.22 ppb |
| 2021 | 4.99 ppb | 48 | 48 | 3.24 ppb - 6.98 ppb |
| 2022 | 4.22 ppb | 12 | 12 | 3.66 ppb - 5.06 ppb |
| 2023 | 5.43 ppb | 36 | 36 | 3.32 ppb - 8.21 ppb |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2018-02-06 | 534078 | 4.29 ppb |
| 2018-02-06 | 534086 | 4.31 ppb |
| 2018-02-06 | 534088 | 3.40 ppb |
| 2018-02-06 | 534083 | 3.29 ppb |
| 2018-02-06 | 534084 | 3.30 ppb |
| 2018-02-06 | 534082 | 3.61 ppb |
| 2018-02-06 | 534085 | 3.30 ppb |
| 2018-02-06 | 534087 | 5.01 ppb |
| 2018-02-06 | 534079 | 4.51 ppb |
| 2018-02-06 | 534077 | 4.39 ppb |
| 2018-02-06 | 534080 | 4.43 ppb |
| 2018-02-06 | 534081 | 4.44 ppb |
| 2018-05-07 | 549803 | 4.56 ppb |
| 2018-05-07 | 549808 | 5.84 ppb |
| 2018-05-07 | 549810 | 5.58 ppb |
| 2018-05-07 | 549802 | 6.33 ppb |
| 2018-05-07 | 549812 | 5.69 ppb |
| 2018-05-07 | 549806 | 5.01 ppb |
| 2018-05-07 | 549805 | 5.17 ppb |
| 2018-05-07 | 549804 | 4.38 ppb |
| 2018-05-07 | 549811 | 5.49 ppb |
| 2018-05-07 | 549809 | 5.22 ppb |
| 2018-05-07 | 549807 | 6.23 ppb |
| 2018-05-07 | 549813 | 6.41 ppb |
| 2018-08-08 | 567012 | 4.94 ppb |
| 2018-08-08 | 567018 | 5.51 ppb |
| 2018-08-08 | 567013 | 5.22 ppb |
| 2018-08-08 | 567014 | 6.04 ppb |
| 2018-08-08 | 567011 | 4.77 ppb |
| 2018-08-08 | 567010 | 4.73 ppb |
| 2018-08-08 | 567008 | 5.37 ppb |
| 2018-08-08 | 567016 | 5.01 ppb |
| 2018-08-08 | 567017 | 5.48 ppb |
| 2018-08-08 | 567015 | 5.36 ppb |
| 2018-08-08 | 567009 | 5.52 ppb |
| 2018-08-08 | 567007 | 6.59 ppb |
| 2018-11-06 | 583372 | 4.65 ppb |
| 2018-11-06 | 583365 | 3.50 ppb |
| 2018-11-06 | 583364 | 4.61 ppb |
| 2018-11-06 | 583370 | 4.72 ppb |
| 2018-11-06 | 583363 | 4.13 ppb |
| 2018-11-06 | 583369 | 3.58 ppb |
| 2018-11-06 | 583371 | 4.90 ppb |
| 2018-11-06 | 583362 | 5.47 ppb |
| 2018-11-06 | 583367 | 4.98 ppb |
| 2018-11-06 | 583366 | 5.66 ppb |
| 2018-11-06 | 583368 | 3.64 ppb |
| 2018-11-06 | 583373 | 4.66 ppb |
| 2019-02-05 | 595235 | 3.81 ppb |
| 2019-02-05 | 595227 | 4.17 ppb |
| 2019-02-05 | 595232 | 4.29 ppb |
| 2019-02-05 | 595226 | 3.81 ppb |
| 2019-02-05 | 595230 | 3.94 ppb |
| 2019-02-05 | 595231 | 4.53 ppb |
| 2019-02-05 | 595224 | 3.87 ppb |
| 2019-02-05 | 595228 | 3.71 ppb |
| 2019-02-05 | 595233 | 4.54 ppb |
| 2019-02-05 | 595229 | 4.64 ppb |
| 2019-02-05 | 595234 | 3.80 ppb |
| 2019-02-05 | 595225 | 4.21 ppb |
| 2019-05-07 | 600558 | 7.02 ppb |
| 2019-05-07 | 600554 | 6.26 ppb |
| 2019-05-07 | 600563 | 6.38 ppb |
| 2019-05-07 | 600555 | 5.77 ppb |
| 2019-05-07 | 600562 | 6.22 ppb |
| 2019-05-07 | 600561 | 5.97 ppb |
| 2019-05-07 | 600553 | 4.79 ppb |
| 2019-05-07 | 600556 | 6.62 ppb |
| 2019-05-07 | 600557 | 6.93 ppb |
| 2019-05-07 | 600559 | 5.94 ppb |
| 2019-05-07 | 600560 | 6.80 ppb |
| 2019-05-07 | 600552 | 4.92 ppb |
| 2019-08-06 | 622441 | 4.68 ppb |
| 2019-08-06 | 622437 | 5.11 ppb |
| 2019-08-06 | 622438 | 5.12 ppb |
| 2019-08-06 | 622445 | 6.01 ppb |
| 2019-08-06 | 622440 | 4.55 ppb |
| 2019-08-06 | 622444 | 5.91 ppb |
| 2019-08-06 | 622446 | 4.55 ppb |
| 2019-08-06 | 622439 | 4.81 ppb |
| 2019-08-06 | 622436 | 4.65 ppb |
| 2019-08-06 | 622447 | 6.53 ppb |
| 2019-08-06 | 622443 | 4.52 ppb |
| 2019-08-06 | 622442 | 6.91 ppb |
| 2019-11-05 | 644368 | 6.63 ppb |
| 2019-11-05 | 644375 | 6.88 ppb |
| 2019-11-05 | 644367 | 5.12 ppb |
| 2019-11-05 | 644369 | 4.99 ppb |
| 2019-11-05 | 644377 | 6.37 ppb |
| 2019-11-05 | 644373 | 4.92 ppb |
| 2019-11-05 | 644366 | 6.69 ppb |
| 2019-11-05 | 644372 | 5.03 ppb |
| 2019-11-05 | 644374 | 6.31 ppb |
| 2019-11-05 | 644371 | 5.88 ppb |
| 2019-11-05 | 644370 | 6.46 ppb |
| 2019-11-05 | 644376 | 5.89 ppb |
| 2020-02-04 | 656180 | 5.60 ppb |
| 2020-02-04 | 656170 | 5.34 ppb |
| 2020-02-04 | 656174 | 5.09 ppb |
| 2020-02-04 | 656175 | 5.24 ppb |
| 2020-02-04 | 656178 | 5.17 ppb |
| 2020-02-04 | 656177 | 5.43 ppb |
| 2020-02-04 | 656181 | 5.24 ppb |
| 2020-02-04 | 656171 | 5.72 ppb |
| 2020-02-04 | 656172 | 5.27 ppb |
| 2020-02-04 | 656176 | 5.43 ppb |
| 2020-02-04 | 656179 | 6.02 ppb |
| 2020-02-04 | 656173 | 5.01 ppb |
| 2020-05-05 | 672086 | 7.13 ppb |
| 2020-05-05 | 672088 | 6.77 ppb |
| 2020-05-05 | 672090 | 5.63 ppb |
| 2020-05-05 | 672092 | 5.55 ppb |
| 2020-05-05 | 672087 | 6.30 ppb |
| 2020-05-05 | 672093 | 6.85 ppb |
| 2020-05-05 | 672095 | 6.57 ppb |
| 2020-05-05 | 672094 | 6.71 ppb |
| 2020-05-05 | 672089 | 6.35 ppb |
| 2020-05-05 | 672096 | 6.08 ppb |
| 2020-05-05 | 672091 | 5.88 ppb |
| 2020-05-05 | 672097 | 6.25 ppb |
| 2020-08-04 | 681784 | 8.24 ppb |
| 2020-08-04 | 681794 | 9.22 ppb |
| 2020-08-04 | 681788 | 6.75 ppb |
| 2020-08-04 | 681792 | 6.40 ppb |
| 2020-08-04 | 681793 | 8.38 ppb |
| 2020-08-04 | 681783 | 8.72 ppb |
| 2020-08-04 | 681790 | 8.35 ppb |
| 2020-08-04 | 681785 | 8.27 ppb |
| 2020-08-04 | 681789 | 8.32 ppb |
| 2020-08-04 | 681791 | 8.21 ppb |
| 2020-08-04 | 681787 | 6.90 ppb |
| 2020-08-04 | 681786 | 7.96 ppb |
| 2020-11-10 | 706872 | 6.90 ppb |
| 2020-11-10 | 706877 | 6.04 ppb |
| 2020-11-10 | 706871 | 4.86 ppb |
| 2020-11-10 | 706875 | 5.90 ppb |
| 2020-11-10 | 706867 | 5.33 ppb |
| 2020-11-10 | 706869 | 4.95 ppb |
| 2020-11-10 | 706868 | 5.55 ppb |
| 2020-11-10 | 706866 | 7.11 ppb |
| 2020-11-10 | 706870 | 4.75 ppb |
| 2020-11-10 | 706873 | 5.96 ppb |
| 2020-11-10 | 706874 | 5.63 ppb |
| 2020-11-10 | 706876 | 6.23 ppb |
| 2021-02-02 | 719014 | 3.44 ppb |
| 2021-02-02 | 719008 | 3.29 ppb |
| 2021-02-02 | 719013 | 4.65 ppb |
| 2021-02-02 | 719007 | 3.27 ppb |
| 2021-02-02 | 719004 | 4.69 ppb |
| 2021-02-02 | 719011 | 4.49 ppb |
| 2021-02-02 | 719003 | 3.48 ppb |
| 2021-02-02 | 719005 | 4.56 ppb |
| 2021-02-02 | 719006 | 3.24 ppb |
| 2021-02-02 | 719010 | 4.08 ppb |
| 2021-02-02 | 719009 | 3.96 ppb |
| 2021-02-02 | 719012 | 4.39 ppb |
| 2021-05-04 | 733019 | 4.64 ppb |
| 2021-05-04 | 733020 | 3.96 ppb |
| 2021-05-04 | 733015 | 4.99 ppb |
| 2021-05-04 | 733014 | 4.09 ppb |
| 2021-05-04 | 733021 | 4.09 ppb |
| 2021-05-04 | 733024 | 3.91 ppb |
| 2021-05-04 | 733016 | 5.02 ppb |
| 2021-05-04 | 733017 | 3.59 ppb |
| 2021-05-04 | 733018 | 4.40 ppb |
| 2021-05-04 | 733025 | 4.07 ppb |
| 2021-05-04 | 733022 | 3.38 ppb |
| 2021-05-04 | 733023 | 3.70 ppb |
| 2021-08-04 | 753568 | 5.95 ppb |
| 2021-08-04 | 753569 | 6.21 ppb |
| 2021-08-04 | 753567 | 6.31 ppb |
| 2021-08-04 | 753566 | 6.03 ppb |
| 2021-08-04 | 753563 | 5.98 ppb |
| 2021-08-04 | 753559 | 5.73 ppb |
| 2021-08-04 | 753558 | 5.56 ppb |
| 2021-08-04 | 753564 | 6.38 ppb |
| 2021-08-04 | 753560 | 6.98 ppb |
| 2021-08-04 | 753565 | 5.83 ppb |
| 2021-08-04 | 753562 | 6.13 ppb |
| 2021-08-04 | 753561 | 6.64 ppb |
| 2021-11-03 | 770887 | 5.78 ppb |
| 2021-11-03 | 770888 | 5.33 ppb |
| 2021-11-03 | 770889 | 5.61 ppb |
| 2021-11-03 | 770884 | 5.76 ppb |
| 2021-11-03 | 770878 | 5.20 ppb |
| 2021-11-03 | 770880 | 5.74 ppb |
| 2021-11-03 | 770885 | 5.22 ppb |
| 2021-11-03 | 770879 | 5.52 ppb |
| 2021-11-03 | 770882 | 6.04 ppb |
| 2021-11-03 | 770881 | 5.94 ppb |
| 2021-11-03 | 770883 | 5.99 ppb |
| 2021-11-03 | 770886 | 6.16 ppb |
| 2022-02-23 | 782411 | 4.73 ppb |
| 2022-02-23 | 782410 | 5.06 ppb |
| 2022-02-23 | 782413 | 3.96 ppb |
| 2022-02-23 | 782408 | 4.46 ppb |
| 2022-02-23 | 782409 | 4.49 ppb |
| 2022-02-23 | 782414 | 3.66 ppb |
| 2022-02-23 | 782407 | 4.38 ppb |
| 2022-02-23 | 782417 | 4.23 ppb |
| 2022-02-23 | 782416 | 3.76 ppb |
| 2022-02-23 | 782412 | 3.69 ppb |
| 2022-02-23 | 782415 | 3.73 ppb |
| 2022-02-23 | 782406 | 4.51 ppb |
| 2023-05-02 | 858531 | 4.44 ppb |
| 2023-05-02 | 858533 | 5.40 ppb |
| 2023-05-02 | 858537 | 4.53 ppb |
| 2023-05-02 | 858532 | 4.74 ppb |
| 2023-05-02 | 858534 | 4.31 ppb |
| 2023-05-02 | 858535 | 5.78 ppb |
| 2023-05-02 | 858528 | 3.45 ppb |
| 2023-05-02 | 858527 | 3.91 ppb |
| 2023-05-02 | 858538 | 4.91 ppb |
| 2023-05-02 | 858536 | 5.56 ppb |
| 2023-05-23 | 868095 | 3.32 ppb |
| 2023-05-23 | 868096 | 4.08 ppb |
| 2023-08-08 | 879873 | 6.50 ppb |
| 2023-08-08 | 879868 | 6.57 ppb |
| 2023-08-08 | 879870 | 5.85 ppb |
| 2023-08-08 | 879869 | 7.37 ppb |
| 2023-08-08 | 879866 | 8.21 ppb |
| 2023-08-08 | 879863 | 7.23 ppb |
| 2023-08-08 | 879872 | 7.37 ppb |
| 2023-08-08 | 879864 | 7.53 ppb |
| 2023-08-08 | 879871 | 5.67 ppb |
| 2023-08-08 | 879862 | 8.10 ppb |
| 2023-08-08 | 879865 | 6.91 ppb |
| 2023-08-08 | 879867 | 7.01 ppb |
| 2023-11-07 | 891411 | 5.49 ppb |
| 2023-11-07 | 891415 | 3.99 ppb |
| 2023-11-07 | 891413 | 4.49 ppb |
| 2023-11-07 | 891414 | 4.28 ppb |
| 2023-11-07 | 891416 | 3.99 ppb |
| 2023-11-07 | 891406 | 5.19 ppb |
| 2023-11-07 | 891405 | 5.08 ppb |
| 2023-11-07 | 891407 | 5.00 ppb |
| 2023-11-07 | 891412 | 4.42 ppb |
| 2023-11-07 | 891410 | 4.77 ppb |
| 2023-11-07 | 891408 | 5.96 ppb |
| 2023-11-07 | 891409 | 4.02 ppb |