Know Your Environment. Protect Your Health.

Dibromochloromethane

Appleby Water Supply Corporation

Dibromochloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Dibromochloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

100

Samples

0

Samples exceeding legal limit (MCL)

79

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.13 ppb17171.02 ppb - 4.84 ppb
20191.79 ppb1412ND - 4.43 ppb
20201.28 ppb1410ND - 5.21 ppb
20211.31 ppb1611ND - 4.09 ppb
20221.79 ppb1814ND - 6.17 ppb
20232.15 ppb2115ND - 8.63 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for dibromochloromethane was based on the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer and harm to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-30Q18035390041.24 ppb
2018-01-30Q18035390101.17 ppb
2018-01-30Q18035390022.11 ppb
2018-04-18Q18159980022.49 ppb
2018-04-18Q18159980044.84 ppb
2018-04-18Q18159980132.01 ppb
2018-04-18Q18159980141.02 ppb
2018-04-18Q18159980172.94 ppb
2018-04-18Q18159980211.93 ppb
2018-04-18Q18159980221.18 ppb
2018-04-18Q18159980242.08 ppb
2018-04-18Q18159980343.40 ppb
2018-07-26Q18297930023.00 ppb
2018-07-26Q18297930012.53 ppb
2018-10-31Q18438880011.08 ppb
2018-10-31Q18438880031.26 ppb
2018-10-31Q18438880041.98 ppb
2019-01-24Q19035940032.49 ppb
2019-01-24Q1903594005ND
2019-01-24Q19035940074.43 ppb
2019-01-24Q19035940091.43 ppb
2019-01-24Q19035940111.16 ppb
2019-01-24Q1903594012ND
2019-01-24Q19035940182.63 ppb
2019-04-24Q19165060021.84 ppb
2019-04-24Q19165060053.89 ppb
2019-04-24Q19165060031.87 ppb
2019-09-16Q19659130011.12 ppb
2019-09-16Q19659130021.10 ppb
2019-10-16Q19728280011.42 ppb
2019-10-16Q19728280021.66 ppb
2020-03-18Q20119950011.08 ppb
2020-03-18Q20119950021.26 ppb
2020-05-06Q20178750241.72 ppb
2020-05-06Q20178750501.51 ppb
2020-05-06Q20178750491.37 ppb
2020-05-06Q20178750265.21 ppb
2020-05-06Q2017875022ND
2020-05-06Q20178750201.28 ppb
2020-05-06Q20178750181.37 ppb
2020-05-06Q2017875016ND
2020-08-18Q20329090011.67 ppb
2020-08-18Q20329090021.40 ppb
2020-11-04Q2042873001ND
2020-11-04Q2042873002ND
2021-02-01Q21028970271.27 ppb
2021-02-01Q21028970263.33 ppb
2021-02-01Q21028970191.44 ppb
2021-02-01Q21028970171.51 ppb
2021-02-01Q21028970134.09 ppb
2021-02-01Q2102897011ND
2021-02-01Q21028970091.18 ppb
2021-02-01Q21028970151.08 ppb
2021-04-07Q2108849001ND
2021-04-07Q21088490021.06 ppb
2021-07-26Q21194730041.46 ppb
2021-07-26Q2119473005ND
2021-07-26Q2119473012ND
2021-10-12Q21282740043.30 ppb
2021-10-12Q21282740051.27 ppb
2021-10-12Q2128274008ND
2022-02-01Q2203639004ND
2022-02-01Q2203639013ND
2022-02-01Q22036390121.86 ppb
2022-02-01Q2203639008ND
2022-02-01Q22036390061.48 ppb
2022-05-16Q22144370031.64 ppb
2022-05-16Q2214437005ND
2022-05-16Q22144370111.65 ppb
2022-05-16Q22144370121.41 ppb
2022-09-06Q22263620213.59 ppb
2022-09-06Q22263620181.97 ppb
2022-09-06Q22263620172.33 ppb
2022-09-06Q22263620091.77 ppb
2022-09-06Q22263620072.86 ppb
2022-09-06Q22263620111.89 ppb
2022-11-08Q22337150011.84 ppb
2022-11-08Q22337150021.78 ppb
2022-11-08Q22337150036.17 ppb
2023-03-07Q23088360025.85 ppb
2023-03-07Q23088360093.58 ppb
2023-03-07Q23088360101.13 ppb
2023-03-22Q23108420062.22 ppb
2023-03-22Q2310842008ND
2023-03-22Q23108420108.63 ppb
2023-06-19Q23230520051.96 ppb
2023-06-19Q23230520115.86 ppb
2023-06-19Q23230520091.05 ppb
2023-06-19Q2323052007ND
2023-06-19Q23230520043.71 ppb
2023-08-14Q23336970131.71 ppb
2023-08-14Q23336970141.75 ppb
2023-08-14Q23336970151.02 ppb
2023-08-14Q2333697017ND
2023-08-14Q2333697021ND
2023-08-14Q2333697023ND
2023-10-23Q23451740021.71 ppb
2023-10-23Q23451740113.47 ppb
2023-10-23Q23451740121.44 ppb
2023-10-23Q2345174014ND