Bromodichloromethane
Camino Real Regional Utility Authority
Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 17 | 0 | ND |
2015 | 0.0467 ppb | 12 | 2 | ND - 0.350 ppb |
2016 | 0.0863 ppb | 16 | 6 | ND - 0.330 ppb |
2017 | 0.388 ppb | 16 | 6 | ND - 1.50 ppb |
2018 | 0.0975 ppb | 16 | 6 | ND - 0.530 ppb |
2019 | 0.116 ppb | 16 | 2 | ND - 1.10 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.06 ppb
The EWG Health Guideline of 0.06 ppb for bromodichloromethane was proposed in 2018 by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-03-12 | 1403726-003A | ND |
2014-03-12 | 1403726-002A | ND |
2014-03-12 | 1403726-005A | ND |
2014-03-12 | 1403726-004A | ND |
2014-03-12 | 1403726-001A | ND |
2014-04-14 | 1404657-001A | ND |
2014-04-14 | 1404660-001A | ND |
2014-04-14 | 1404659-001A | ND |
2014-04-14 | 1404658-001A | ND |
2014-07-08 | 1407380-001A | ND |
2014-07-08 | 1407381-001A | ND |
2014-07-08 | 1407379-001A | ND |
2014-07-08 | 1407377-001A | ND |
2014-10-20 | 1410939-001A | ND |
2014-12-10 | 1412551-001A | ND |
2014-12-10 | 1412540-001A | ND |
2014-12-10 | 1412549-001A | ND |
2015-02-10 | 1502458-001A | ND |
2015-02-10 | 1502469-001A | ND |
2015-02-10 | 1502467-001A | ND |
2015-02-10 | 1502468-001A | ND |
2015-07-29 | 2015021804 | ND |
2015-07-29 | 2015021806 | ND |
2015-07-29 | 2015021803 | ND |
2015-07-29 | 2015021805 | ND |
2015-10-13 | 2015030912 | 0.350 ppb |
2015-10-13 | 2015030913 | ND |
2015-10-13 | 2015030911 | 0.210 ppb |
2015-10-13 | 2015030914 | ND |
2016-01-26 | 2016002413 | 0.290 ppb |
2016-01-26 | 2016002412 | ND |
2016-01-26 | 2016002415 | ND |
2016-01-26 | 2016002414 | ND |
2016-05-04 | 2016012623 | ND |
2016-05-04 | 2016012624 | ND |
2016-05-04 | 2016012626 | ND |
2016-05-04 | 2016012625 | ND |
2016-07-13 | 2016020160 | 0.330 ppb |
2016-07-13 | 2016020161 | ND |
2016-07-13 | 2016020158 | ND |
2016-07-13 | 2016020159 | 0.110 ppb |
2016-10-06 | 2016029357 | 0.330 ppb |
2016-10-06 | 2016029356 | 0.190 ppb |
2016-10-06 | 2016029355 | 0.130 ppb |
2016-10-06 | 2016029358 | ND |
2017-01-05 | 2017000486 | ND |
2017-01-05 | 2017000488 | 1.20 ppb |
2017-01-05 | 2017000489 | 1.40 ppb |
2017-01-05 | 2017000487 | 0.570 ppb |
2017-04-12 | 2017010889 | 1.50 ppb |
2017-04-12 | 2017010888 | 1.20 ppb |
2017-04-12 | 2017010887 | ND |
2017-04-12 | 2017010886 | ND |
2017-07-12 | 2017020031 | ND |
2017-07-12 | 2017020034 | ND |
2017-07-12 | 2017020033 | ND |
2017-07-12 | 2017020032 | ND |
2017-10-23 | 2017030621 | 0.330 ppb |
2017-10-23 | 2017030622 | ND |
2017-10-23 | 2017030620 | ND |
2017-10-23 | 2017030623 | ND |
2018-01-23 | 2018002292 | ND |
2018-01-23 | 2018002291 | 0.1000 ppb |
2018-01-23 | 2018002290 | ND |
2018-01-23 | 2018002289 | 0.350 ppb |
2018-04-25 | 2018011476 | 0.230 ppb |
2018-04-25 | 2018011473 | ND |
2018-04-25 | 2018011474 | ND |
2018-04-25 | 2018011475 | 0.140 ppb |
2018-07-18 | 2018019825 | ND |
2018-07-18 | 2018019824 | ND |
2018-07-18 | 2018019823 | ND |
2018-07-18 | 2018019822 | ND |
2018-10-22 | 2018030060 | ND |
2018-10-22 | 2018030061 | ND |
2018-10-22 | 2018030062 | 0.530 ppb |
2018-10-22 | 2018030063 | 0.210 ppb |
2019-01-16 | 2019001469 | ND |
2019-01-16 | 2019001470 | ND |
2019-01-16 | 2019001471 | ND |
2019-01-16 | 2019001472 | ND |
2019-04-17 | 2019009806 | ND |
2019-04-17 | 2019009809 | ND |
2019-04-17 | 2019009808 | ND |
2019-04-17 | 2019009807 | ND |
2019-07-02 | 2019018237 | ND |
2019-07-02 | 2019018239 | ND |
2019-07-02 | 2019018238 | ND |
2019-07-02 | 2019018236 | ND |
2019-10-02 | 2019028215 | 0.760 ppb |
2019-10-02 | 2019028214 | ND |
2019-10-02 | 2019028213 | ND |
2019-10-02 | 2019028212 | 1.10 ppb |