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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | 4.78 ppb | 48 | 48 | 3.31 ppb - 6.53 ppb |
2015 | 5.70 ppb | 48 | 48 | 3.91 ppb - 9.14 ppb |
2016 | 5.33 ppb | 48 | 48 | 3.29 ppb - 6.88 ppb |
2017 | 5.05 ppb | 48 | 48 | 4.15 ppb - 8.11 ppb |
2018 | 4.86 ppb | 48 | 48 | 3.29 ppb - 6.59 ppb |
2019 | 5.36 ppb | 48 | 48 | 3.71 ppb - 7.02 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 |
---|---|---|
2014-02-04 | 283298 | 4.18 ppb |
2014-02-04 | 283302 | 4.77 ppb |
2014-02-04 | 283306 | 3.94 ppb |
2014-02-04 | 283307 | 4.28 ppb |
2014-02-04 | 283308 | 4.35 ppb |
2014-02-04 | 283309 | 4.50 ppb |
2014-02-11 | 287608 | 4.70 ppb |
2014-02-11 | 287609 | 4.06 ppb |
2014-02-11 | 287610 | 4.65 ppb |
2014-02-11 | 287611 | 4.82 ppb |
2014-02-11 | 287612 | 4.67 ppb |
2014-02-11 | 287607 | 4.52 ppb |
2014-05-05 | 295268 | 3.31 ppb |
2014-05-05 | 295269 | 3.41 ppb |
2014-05-05 | 295270 | 3.50 ppb |
2014-05-05 | 295271 | 4.34 ppb |
2014-05-05 | 295272 | 3.64 ppb |
2014-05-05 | 295273 | 3.84 ppb |
2014-05-05 | 295274 | 4.74 ppb |
2014-05-05 | 295275 | 4.01 ppb |
2014-05-05 | 295276 | 4.27 ppb |
2014-05-05 | 295277 | 3.88 ppb |
2014-05-05 | 295278 | 3.84 ppb |
2014-05-05 | 295279 | 4.66 ppb |
2014-08-05 | 311968 | 5.21 ppb |
2014-08-05 | 311969 | 6.00 ppb |
2014-08-05 | 311971 | 6.53 ppb |
2014-08-05 | 311972 | 5.49 ppb |
2014-08-05 | 311973 | 6.22 ppb |
2014-08-05 | 311974 | 5.89 ppb |
2014-08-05 | 311975 | 6.19 ppb |
2014-08-05 | 311976 | 6.21 ppb |
2014-08-05 | 311977 | 6.27 ppb |
2014-08-05 | 311978 | 5.92 ppb |
2014-08-05 | 311979 | 5.47 ppb |
2014-08-05 | 311970 | 5.59 ppb |
2014-11-03 | 332923 | 4.76 ppb |
2014-11-03 | 332924 | 4.84 ppb |
2014-11-03 | 332915 | 3.96 ppb |
2014-11-03 | 332916 | 5.11 ppb |
2014-11-03 | 332917 | 5.78 ppb |
2014-11-03 | 332918 | 4.59 ppb |
2014-11-03 | 332919 | 4.90 ppb |
2014-11-03 | 332920 | 3.91 ppb |
2014-11-03 | 332921 | 5.61 ppb |
2014-11-03 | 332922 | 5.20 ppb |
2014-11-03 | 332913 | 3.66 ppb |
2014-11-03 | 332914 | 5.10 ppb |
2015-02-02 | 346535 | 4.13 ppb |
2015-02-02 | 346538 | 4.36 ppb |
2015-02-02 | 346539 | 3.95 ppb |
2015-02-02 | 346540 | 4.74 ppb |
2015-02-02 | 346541 | 3.91 ppb |
2015-02-02 | 346542 | 4.70 ppb |
2015-02-02 | 346543 | 4.89 ppb |
2015-02-02 | 346544 | 4.59 ppb |
2015-02-02 | 346545 | 4.72 ppb |
2015-02-02 | 346534 | 4.08 ppb |
2015-02-02 | 346536 | 3.98 ppb |
2015-02-02 | 346537 | 4.50 ppb |
2015-05-05 | 361716 | 5.01 ppb |
2015-05-05 | 361717 | 5.32 ppb |
2015-05-05 | 361718 | 5.56 ppb |
2015-05-05 | 361719 | 5.11 ppb |
2015-05-05 | 361720 | 5.72 ppb |
2015-05-05 | 361721 | 5.44 ppb |
2015-05-05 | 361725 | 4.73 ppb |
2015-05-05 | 361726 | 5.09 ppb |
2015-05-05 | 361727 | 4.76 ppb |
2015-05-05 | 361722 | 4.82 ppb |
2015-05-05 | 361723 | 4.52 ppb |
2015-05-05 | 361724 | 5.08 ppb |
2015-08-03 | 374528 | 5.60 ppb |
2015-08-03 | 374526 | 8.39 ppb |
2015-08-03 | 374527 | 4.94 ppb |
2015-08-03 | 374529 | 6.14 ppb |
2015-08-03 | 374530 | 9.14 ppb |
2015-08-03 | 374531 | 6.79 ppb |
2015-08-03 | 374532 | 5.43 ppb |
2015-08-03 | 374533 | 6.62 ppb |
2015-08-03 | 374534 | 7.01 ppb |
2015-08-03 | 374535 | 7.17 ppb |
2015-08-03 | 374536 | 6.78 ppb |
2015-08-03 | 374537 | 6.49 ppb |
2015-11-04 | 393695 | 7.46 ppb |
2015-11-04 | 393696 | 6.10 ppb |
2015-11-04 | 393697 | 4.97 ppb |
2015-11-04 | 393698 | 5.82 ppb |
2015-11-04 | 393699 | 8.21 ppb |
2015-11-04 | 393700 | 5.77 ppb |
2015-11-04 | 393701 | 6.74 ppb |
2015-11-04 | 393702 | 6.06 ppb |
2015-11-04 | 393703 | 6.47 ppb |
2015-11-04 | 393704 | 8.25 ppb |
2015-11-04 | 393705 | 7.27 ppb |
2015-11-04 | 393706 | 6.08 ppb |
2016-02-01 | 3.70 ppb | |
2016-02-01 | 3.29 ppb | |
2016-02-01 | 4.38 ppb | |
2016-02-01 | 4.63 ppb | |
2016-02-01 | 3.85 ppb | |
2016-02-01 | 4.13 ppb | |
2016-02-01 | 5.03 ppb | |
2016-02-01 | 4.53 ppb | |
2016-02-01 | 6.38 ppb | |
2016-02-01 | 6.77 ppb | |
2016-02-01 | 6.15 ppb | |
2016-02-01 | 5.99 ppb | |
2016-05-02 | 5.29 ppb | |
2016-05-02 | 4.37 ppb | |
2016-05-02 | 5.80 ppb | |
2016-05-02 | 5.26 ppb | |
2016-05-02 | 5.52 ppb | |
2016-05-02 | 5.96 ppb | |
2016-05-02 | 5.86 ppb | |
2016-05-02 | 4.51 ppb | |
2016-05-02 | 4.31 ppb | |
2016-05-02 | 4.30 ppb | |
2016-05-02 | 6.24 ppb | |
2016-05-02 | 6.88 ppb | |
2016-08-02 | 6.05 ppb | |
2016-08-02 | 6.61 ppb | |
2016-08-02 | 6.56 ppb | |
2016-08-02 | 6.20 ppb | |
2016-08-02 | 6.28 ppb | |
2016-08-02 | 5.89 ppb | |
2016-08-02 | 6.29 ppb | |
2016-08-02 | 6.54 ppb | |
2016-08-02 | 6.33 ppb | |
2016-08-02 | 6.46 ppb | |
2016-08-02 | 6.02 ppb | |
2016-08-02 | 6.24 ppb | |
2016-11-07 | 4.25 ppb | |
2016-11-07 | 4.90 ppb | |
2016-11-07 | 4.43 ppb | |
2016-11-07 | 4.38 ppb | |
2016-11-07 | 4.45 ppb | |
2016-11-07 | 5.19 ppb | |
2016-11-07 | 5.06 ppb | |
2016-11-07 | 4.98 ppb | |
2016-11-07 | 5.53 ppb | |
2016-11-07 | 5.03 ppb | |
2016-11-07 | 5.04 ppb | |
2016-11-07 | 4.01 ppb | |
2017-02-07 | 4.78 ppb | |
2017-02-07 | 5.05 ppb | |
2017-02-07 | 4.95 ppb | |
2017-02-07 | 4.86 ppb | |
2017-02-07 | 4.54 ppb | |
2017-02-07 | 4.95 ppb | |
2017-02-07 | 4.70 ppb | |
2017-02-07 | 4.61 ppb | |
2017-02-07 | 4.71 ppb | |
2017-02-07 | 4.80 ppb | |
2017-02-07 | 4.62 ppb | |
2017-02-07 | 5.85 ppb | |
2017-05-02 | 4.64 ppb | |
2017-05-02 | 4.51 ppb | |
2017-05-02 | 4.45 ppb | |
2017-05-02 | 4.16 ppb | |
2017-05-02 | 4.89 ppb | |
2017-05-02 | 4.33 ppb | |
2017-05-02 | 4.41 ppb | |
2017-05-02 | 4.69 ppb | |
2017-05-02 | 4.78 ppb | |
2017-05-02 | 4.35 ppb | |
2017-05-15 | 8.11 ppb | |
2017-05-15 | 6.41 ppb | |
2017-08-07 | 5.50 ppb | |
2017-08-07 | 5.61 ppb | |
2017-08-07 | 5.44 ppb | |
2017-08-07 | 5.65 ppb | |
2017-08-07 | 6.92 ppb | |
2017-08-07 | 5.25 ppb | |
2017-08-07 | 6.22 ppb | |
2017-08-07 | 5.14 ppb | |
2017-08-07 | 4.79 ppb | |
2017-08-07 | 4.87 ppb | |
2017-08-07 | 5.36 ppb | |
2017-08-07 | 6.54 ppb | |
2017-11-07 | 4.67 ppb | |
2017-11-07 | 4.42 ppb | |
2017-11-07 | 4.49 ppb | |
2017-11-07 | 5.15 ppb | |
2017-11-07 | 4.48 ppb | |
2017-11-07 | 4.62 ppb | |
2017-11-07 | 4.65 ppb | |
2017-11-07 | 4.38 ppb | |
2017-11-07 | 4.15 ppb | |
2017-11-07 | 4.43 ppb | |
2017-11-07 | 5.51 ppb | |
2017-11-07 | 6.03 ppb | |
2018-02-06 | 534077 | 4.39 ppb |
2018-02-06 | 534078 | 4.29 ppb |
2018-02-06 | 534079 | 4.51 ppb |
2018-02-06 | 534080 | 4.43 ppb |
2018-02-06 | 534081 | 4.44 ppb |
2018-02-06 | 534082 | 3.61 ppb |
2018-02-06 | 534083 | 3.29 ppb |
2018-02-06 | 534084 | 3.30 ppb |
2018-02-06 | 534085 | 3.30 ppb |
2018-02-06 | 534086 | 4.31 ppb |
2018-02-06 | 534087 | 5.01 ppb |
2018-02-06 | 534088 | 3.40 ppb |
2018-05-07 | 549802 | 6.33 ppb |
2018-05-07 | 549803 | 4.56 ppb |
2018-05-07 | 549804 | 4.38 ppb |
2018-05-07 | 549805 | 5.17 ppb |
2018-05-07 | 549806 | 5.01 ppb |
2018-05-07 | 549807 | 6.23 ppb |
2018-05-07 | 549808 | 5.84 ppb |
2018-05-07 | 549809 | 5.22 ppb |
2018-05-07 | 549810 | 5.58 ppb |
2018-05-07 | 549811 | 5.49 ppb |
2018-05-07 | 549812 | 5.69 ppb |
2018-05-07 | 549813 | 6.41 ppb |
2018-08-08 | 567007 | 6.59 ppb |
2018-08-08 | 567008 | 5.37 ppb |
2018-08-08 | 567009 | 5.52 ppb |
2018-08-08 | 567010 | 4.73 ppb |
2018-08-08 | 567011 | 4.77 ppb |
2018-08-08 | 567012 | 4.94 ppb |
2018-08-08 | 567013 | 5.22 ppb |
2018-08-08 | 567014 | 6.04 ppb |
2018-08-08 | 567015 | 5.36 ppb |
2018-08-08 | 567016 | 5.01 ppb |
2018-08-08 | 567017 | 5.48 ppb |
2018-08-08 | 567018 | 5.51 ppb |
2018-11-06 | 583362 | 5.47 ppb |
2018-11-06 | 583363 | 4.13 ppb |
2018-11-06 | 583364 | 4.61 ppb |
2018-11-06 | 583365 | 3.50 ppb |
2018-11-06 | 583366 | 5.66 ppb |
2018-11-06 | 583367 | 4.98 ppb |
2018-11-06 | 583368 | 3.64 ppb |
2018-11-06 | 583369 | 3.58 ppb |
2018-11-06 | 583370 | 4.72 ppb |
2018-11-06 | 583371 | 4.90 ppb |
2018-11-06 | 583372 | 4.65 ppb |
2018-11-06 | 583373 | 4.66 ppb |
2019-02-05 | 595224 | 3.87 ppb |
2019-02-05 | 595225 | 4.21 ppb |
2019-02-05 | 595226 | 3.81 ppb |
2019-02-05 | 595227 | 4.17 ppb |
2019-02-05 | 595228 | 3.71 ppb |
2019-02-05 | 595229 | 4.64 ppb |
2019-02-05 | 595230 | 3.94 ppb |
2019-02-05 | 595231 | 4.53 ppb |
2019-02-05 | 595232 | 4.29 ppb |
2019-02-05 | 595233 | 4.54 ppb |
2019-02-05 | 595234 | 3.80 ppb |
2019-02-05 | 595235 | 3.81 ppb |
2019-05-07 | 600552 | 4.92 ppb |
2019-05-07 | 600553 | 4.79 ppb |
2019-05-07 | 600554 | 6.26 ppb |
2019-05-07 | 600555 | 5.77 ppb |
2019-05-07 | 600556 | 6.62 ppb |
2019-05-07 | 600557 | 6.93 ppb |
2019-05-07 | 600558 | 7.02 ppb |
2019-05-07 | 600559 | 5.94 ppb |
2019-05-07 | 600560 | 6.80 ppb |
2019-05-07 | 600561 | 5.97 ppb |
2019-05-07 | 600562 | 6.22 ppb |
2019-05-07 | 600563 | 6.38 ppb |
2019-08-06 | 622436 | 4.65 ppb |
2019-08-06 | 622437 | 5.11 ppb |
2019-08-06 | 622438 | 5.12 ppb |
2019-08-06 | 622439 | 4.81 ppb |
2019-08-06 | 622440 | 4.55 ppb |
2019-08-06 | 622441 | 4.68 ppb |
2019-08-06 | 622442 | 6.91 ppb |
2019-08-06 | 622443 | 4.52 ppb |
2019-08-06 | 622444 | 5.91 ppb |
2019-08-06 | 622445 | 6.01 ppb |
2019-08-06 | 622446 | 4.55 ppb |
2019-08-06 | 622447 | 6.53 ppb |
2019-11-05 | 644366 | 6.69 ppb |
2019-11-05 | 644367 | 5.12 ppb |
2019-11-05 | 644368 | 6.63 ppb |
2019-11-05 | 644369 | 4.99 ppb |
2019-11-05 | 644370 | 6.46 ppb |
2019-11-05 | 644371 | 5.88 ppb |
2019-11-05 | 644372 | 5.03 ppb |
2019-11-05 | 644373 | 4.92 ppb |
2019-11-05 | 644374 | 6.31 ppb |
2019-11-05 | 644375 | 6.88 ppb |
2019-11-05 | 644376 | 5.89 ppb |
2019-11-05 | 644377 | 6.37 ppb |