Bromochloromethane
Cal-water Service Company - Marysville
Bromochloromethane is a tap water disinfection byproduct; it is also used as an intermediate in chemical manufacturing and as a fire extinguishing agent. Disinfection byproducts in drinking water increase the risk of cancer.
150
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | ND | 5 | 0 | ND |
| 2014 | ND | 11 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 35 | 0 | ND |
| 2019 | ND | 9 | 0 | ND |
| 2020 | ND | 7 | 0 | ND |
| 2021 | ND | 16 | 0 | ND |
| 2022 | ND | 33 | 0 | ND |
| 2023 | ND | 34 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.06 ppb
The EWG Health Guideline of 0.06 ppb for bromochloromethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer, harm to reproduction and child development, and change to fetal growth and development.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2013-08-06 | 201308070410AM | ND |
| 2013-08-06 | 201308070399AM | ND |
| 2013-08-06 | 201308070478AM | ND |
| 2013-08-12 | 201308130203AM | ND |
| 2013-08-14 | 201308150251AM | ND |
| 2014-02-11 | 201402120457AM | ND |
| 2014-02-11 | 201402120580AM | ND |
| 2014-02-11 | 201402120400AM | ND |
| 2014-02-12 | 201402130455AM | ND |
| 2014-02-25 | 201402260631AM | ND |
| 2014-02-25 | 201402260645AM | ND |
| 2014-04-08 | 201404090608AM | ND |
| 2014-04-08 | 201404090534AM | ND |
| 2014-10-01 | 201410020280AM | ND |
| 2014-10-01 | 201410020294AM | ND |
| 2014-10-20 | 201410210277AM | ND |
| 2018-01-02 | CA5810001_011_011-201801020934 | ND |
| 2018-01-02 | CA5810001_023_023-201801020934 | ND |
| 2018-01-21 | CA5810001_013_013-201801210830 | ND |
| 2018-02-06 | CA5810001_011_011-201802061325 | ND |
| 2018-02-06 | CA5810001_023_023-201802061328 | ND |
| 2018-02-14 | CA5810001_009_009-201802141448 | ND |
| 2018-03-05 | CA5810001_011_011-201803051053 | ND |
| 2018-03-05 | CA5810001_023_023-201803051103 | ND |
| 2018-03-14 | CA5810001_015_015-201803141442 | ND |
| 2018-04-09 | CA5810001_011_011-201804091019 | ND |
| 2018-04-09 | CA5810001_023_023-201804091026 | ND |
| 2018-04-16 | CA5810001_013_013-201804161006 | ND |
| 2018-05-07 | CA5810001_023_023-201805071119 | ND |
| 2018-05-07 | CA5810001_011_011-201805071116 | ND |
| 2018-05-14 | CA5810001_015_015-201805141451 | ND |
| 2018-06-05 | CA5810001_023_023-201806051356 | ND |
| 2018-06-05 | CA5810001_011_011-201806051347 | ND |
| 2018-07-02 | CA5810001_011_011-201807020927 | ND |
| 2018-07-02 | CA5810001_023_023-201807020934 | ND |
| 2018-08-06 | CA5810001_011_011-201808061107 | ND |
| 2018-08-06 | CA5810001_013_013-201808061321 | ND |
| 2018-08-06 | CA5810001_016_016-201808061554 | ND |
| 2018-08-06 | CA5810001_015_015-201808060948 | ND |
| 2018-08-06 | CA5810001_023_023-201808061114 | ND |
| 2018-09-10 | CA5810001_023_023-201809101014 | ND |
| 2018-09-10 | CA5810001_011_011-201809101010 | ND |
| 2018-10-01 | CA5810001_011_011-201810011350 | ND |
| 2018-10-01 | CA5810001_023_023-201810011357 | ND |
| 2018-11-05 | CA5810001_011_011-201811050840 | ND |
| 2018-11-05 | CA5810001_023_023-201811050844 | ND |
| 2018-11-19 | CA5810001_008_008-201811191515 | ND |
| 2018-11-19 | CA5810001_013_013-201811191528 | ND |
| 2018-11-26 | CA5810001_015_015-201811261134 | ND |
| 2018-12-03 | CA5810001_011_011-201812031010 | ND |
| 2018-12-03 | CA5810001_023_023-201812031015 | ND |
| 2019-01-08 | CA5810001_011_011-201901081358 | ND |
| 2019-01-08 | CA5810001_023_023-201901081410 | ND |
| 2019-01-21 | CA5810001_013_013-201901211050 | ND |
| 2019-02-04 | CA5810001_011_011-201902041358 | ND |
| 2019-02-04 | CA5810001_023_023-201902041408 | ND |
| 2019-03-04 | CA5810001_023_023-201903041315 | ND |
| 2019-03-04 | CA5810001_011_011-201903041323 | ND |
| 2019-04-11 | CA5810001_013_013-201904111602 | ND |
| 2019-05-06 | CA5810001_011_011-201905060944 | ND |
| 2020-02-04 | CA5810001_011_011-202002041004 | ND |
| 2020-02-04 | CA5810001_023_023-202002041007 | ND |
| 2020-10-05 | CA5810001_023_023-202010050940 | ND |
| 2020-10-05 | CA5810001_011_011-202010050935 | ND |
| 2020-11-17 | CA5810001_015_015-202011171400 | ND |
| 2020-12-01 | CA5810001_011_011-202012011453 | ND |
| 2020-12-01 | CA5810001_023_023-202012011504 | ND |
| 2021-02-03 | CA5810001_023_023-202102031500 | ND |
| 2021-02-03 | CA5810001_011_011-202102031452 | ND |
| 2021-03-04 | CA5810001_023_023-202103041007 | ND |
| 2021-03-04 | CA5810001_011_011-202103040958 | ND |
| 2021-03-08 | CA5810001_015_015-202103081325 | ND |
| 2021-04-05 | CA5810001_011_011-202104051035 | ND |
| 2021-04-05 | CA5810001_023_023-202104051044 | ND |
| 2021-04-07 | CA5810001_013_013-202104070837 | ND |
| 2021-05-03 | CA5810001_011_011-202105030920 | ND |
| 2021-05-03 | CA5810001_015_015-202105031314 | ND |
| 2021-05-03 | CA5810001_023_023-202105030929 | ND |
| 2021-06-01 | CA5810001_023_023-202106011130 | ND |
| 2021-06-01 | CA5810001_011_011-202106011130 | ND |
| 2021-07-21 | CA5810001_011_011-202107211407 | ND |
| 2021-07-21 | CA5810001_023_023-202107211416 | ND |
| 2021-07-26 | CA5810001_013_013-202107261047 | ND |
| 2022-03-10 | CA5810001_011_011-202203101326 | ND |
| 2022-03-10 | CA5810001_023_023-202203101326 | ND |
| 2022-03-14 | CA5810001_015_015-202203141304 | ND |
| 2022-04-18 | CA5810001_013_013-202204181347 | ND |
| 2022-04-19 | CA5810001_011_011-202204191138 | ND |
| 2022-04-19 | CA5810001_023_023-202204191149 | ND |
| 2022-05-11 | CA5810001_011_011-202205111435 | ND |
| 2022-05-11 | CA5810001_023_023-202205111435 | ND |
| 2022-05-16 | CA5810001_015_015-202205161135 | ND |
| 2022-06-13 | CA5810001_023_023-202206131045 | ND |
| 2022-06-13 | CA5810001_011_011-202206131045 | ND |
| 2022-07-13 | CA5810001_016_016-202207131200 | ND |
| 2022-07-22 | CA5810001_023_023-202207221153 | ND |
| 2022-07-22 | CA5810001_011_011-202207221149 | ND |
| 2022-07-25 | CA5810001_013_013-202207251008 | ND |
| 2022-07-25 | CA5810001_016_016-202207251155 | ND |
| 2022-08-08 | CA5810001_011_011-202208081115 | ND |
| 2022-08-08 | CA5810001_011_011-202208081106 | ND |
| 2022-08-08 | CA5810001_023_023-202208081106 | ND |
| 2022-08-17 | CA5810001_015_015-202208171100 | ND |
| 2022-08-17 | CA5810001_015_015-20220817NUL | ND |
| 2022-08-18 | CA5810001_023_023-202208181316 | ND |
| 2022-08-18 | CA5810001_011_011-202208181309 | ND |
| 2022-09-06 | CA5810001_011_011-202209061249 | ND |
| 2022-09-06 | CA5810001_023_023-202209061255 | ND |
| 2022-10-11 | CA5810001_011_011-202210111135 | ND |
| 2022-10-11 | CA5810001_023_023-202210111145 | ND |
| 2022-10-17 | CA5810001_013_013-202210171321 | ND |
| 2022-11-07 | CA5810001_011_011-202211071422 | ND |
| 2022-11-07 | CA5810001_023_023-202211071418 | ND |
| 2022-11-14 | CA5810001_015_015-202211141200 | ND |
| 2022-12-05 | CA5810001_023_023-202212051110 | ND |
| 2022-12-05 | CA5810001_011_011-202212051102 | ND |
| 2023-01-11 | CA5810001_013_013-202301110729 | ND |
| 2023-01-16 | CA5810001_010_010-202301161230 | ND |
| 2023-01-23 | CA5810001_023_023-202301231419 | ND |
| 2023-01-23 | CA5810001_011_011-202301231419 | ND |
| 2023-02-12 | CA5810001_011_011-202302121422 | ND |
| 2023-02-12 | CA5810001_023_023-202302121431 | ND |
| 2023-03-06 | CA5810001_023_023-202303061003 | ND |
| 2023-03-06 | CA5810001_011_011-202303061000 | ND |
| 2023-03-20 | CA5810001_015_015-202303201154 | ND |
| 2023-04-17 | CA5810001_011_011-202304171020 | ND |
| 2023-04-17 | CA5810001_023_023-202304171025 | ND |
| 2023-04-20 | CA5810001_013_013-202304201312 | ND |
| 2023-05-08 | CA5810001_023_023-202305081116 | ND |
| 2023-05-08 | CA5810001_011_011-202305081106 | ND |
| 2023-05-18 | CA5810001_015_015-202305181338 | ND |
| 2023-06-14 | CA5810001_011_011-202306141519 | ND |
| 2023-06-14 | CA5810001_023_023-202306141509 | ND |
| 2023-07-11 | CA5810001_011_011-202307111055 | ND |
| 2023-07-11 | CA5810001_023_023-202307111059 | ND |
| 2023-07-17 | CA5810001_013_013-202307170850 | ND |
| 2023-07-17 | CA5810001_016_016-202307171112 | ND |
| 2023-08-01 | CA5810001_023_023-202308010908 | ND |
| 2023-08-01 | CA5810001_011_011-202308010915 | ND |
| 2023-08-22 | CA5810001_015_015-202308221028 | ND |
| 2023-09-12 | CA5810001_011_011-202309120909 | ND |
| 2023-09-12 | CA5810001_023_023-202309120911 | ND |
| 2023-10-05 | CA5810001_011_011-202310051112 | ND |
| 2023-10-05 | CA5810001_023_023-202310051121 | ND |
| 2023-10-16 | CA5810001_013_013-202310161137 | ND |
| 2023-11-13 | CA5810001_011_011-202311131024 | ND |
| 2023-11-13 | CA5810001_023_023-202311131026 | ND |
| 2023-11-27 | CA5810001_015_015-202311271511 | ND |
| 2023-12-11 | CA5810001_011_011-202312111231 | ND |
| 2023-12-11 | CA5810001_023_023-202312111238 | ND |