Know Your Environment. Protect Your Health.

Dibromochloromethane

Pawc Nesbitt

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.

 

192

Samples

0

Samples exceeding legal limit (MCL)

104

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.613 ppb3219ND - 2.00 ppb
20190.681 ppb3221ND - 2.20 ppb
20200.572 ppb3220ND - 2.00 ppb
20210.406 ppb3212ND - 1.90 ppb
20220.497 ppb3216ND - 2.10 ppb
20230.547 ppb3216ND - 1.70 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
2018-03-12388334010.500 ppb
2018-03-1238833201ND
2018-03-1238832801ND
2018-03-12388342011.30 ppb
2018-03-12388338011.30 ppb
2018-03-12388336010.700 ppb
2018-03-1238833001ND
2018-03-12388326010.700 ppb
2018-06-1239801401ND
2018-06-1239801301ND
2018-06-1239801101ND
2018-06-12398019011.40 ppb
2018-06-12398018011.20 ppb
2018-06-1239801701ND
2018-06-1239801201ND
2018-06-12398010010.600 ppb
2018-09-1040946301ND
2018-09-1040946201ND
2018-09-1040946001ND
2018-09-10409468012.00 ppb
2018-09-10409467012.00 ppb
2018-09-1040946601ND
2018-09-1040946101ND
2018-09-10412249010.500 ppb
2018-12-11422078010.700 ppb
2018-12-11422077010.600 ppb
2018-12-11422075010.600 ppb
2018-12-11422083011.70 ppb
2018-12-11422082011.60 ppb
2018-12-11422081010.800 ppb
2018-12-11422076010.600 ppb
2018-12-11422084010.800 ppb
2019-03-12432459010.600 ppb
2019-03-1243246501ND
2019-03-1243246401ND
2019-03-12432463011.60 ppb
2019-03-12432460011.50 ppb
2019-03-12432461010.700 ppb
2019-03-12432462010.500 ppb
2019-03-12432468010.700 ppb
2019-06-1244452701ND
2019-06-1244453401ND
2019-06-1244453301ND
2019-06-12444532011.60 ppb
2019-06-12444528011.60 ppb
2019-06-12444530010.500 ppb
2019-06-1244453101ND
2019-06-1244452901ND
2019-09-0946255201ND
2019-09-09462546010.700 ppb
2019-09-11462543010.600 ppb
2019-09-11462549010.500 ppb
2019-09-11462548012.20 ppb
2019-09-11462544012.10 ppb
2019-09-1146254701ND
2019-09-11462545010.600 ppb
2019-12-11475561010.600 ppb
2019-12-11475567010.500 ppb
2019-12-1147556801ND
2019-12-11475566011.60 ppb
2019-12-11475562011.60 ppb
2019-12-11475564010.700 ppb
2019-12-1147556501ND
2019-12-11475563010.800 ppb
2020-03-11ND
2020-03-11ND
2020-03-11ND
2020-03-111.40 ppb
2020-03-111.30 ppb
2020-03-110.600 ppb
2020-03-11ND
2020-03-110.700 ppb
2020-06-10ND
2020-06-10ND
2020-06-10ND
2020-06-100.900 ppb
2020-06-101.20 ppb
2020-06-100.700 ppb
2020-06-10ND
2020-06-100.700 ppb
2020-09-090.600 ppb
2020-09-090.500 ppb
2020-09-09ND
2020-09-091.80 ppb
2020-09-092.00 ppb
2020-09-090.600 ppb
2020-09-090.500 ppb
2020-09-090.700 ppb
2020-12-09ND
2020-12-09ND
2020-12-09ND
2020-12-091.10 ppb
2020-12-091.20 ppb
2020-12-090.600 ppb
2020-12-090.500 ppb
2020-12-090.700 ppb
2021-03-10ND
2021-03-10ND
2021-03-10ND
2021-03-101.000 ppb
2021-03-101.000 ppb
2021-03-100.600 ppb
2021-03-10ND
2021-03-100.500 ppb
2021-06-09ND
2021-06-09ND
2021-06-091.30 ppb
2021-06-091.30 ppb
2021-06-090.600 ppb
2021-06-09ND
2021-06-090.600 ppb
2021-06-09ND
2021-09-08ND
2021-09-08ND
2021-09-081.60 ppb
2021-09-081.90 ppb
2021-09-08ND
2021-09-08ND
2021-09-08ND
2021-09-08ND
2021-12-09ND
2021-12-09ND
2021-12-091.30 ppb
2021-12-091.30 ppb
2021-12-09ND
2021-12-09ND
2021-12-09ND
2021-12-09ND
2022-03-10ND
2022-03-10ND
2022-03-100.800 ppb
2022-03-100.800 ppb
2022-03-100.700 ppb
2022-03-10ND
2022-03-100.500 ppb
2022-03-10ND
2022-06-09ND
2022-06-09ND
2022-06-091.40 ppb
2022-06-091.50 ppb
2022-06-090.800 ppb
2022-06-09ND
2022-06-09ND
2022-06-09ND
2022-09-080.500 ppb
2022-09-08ND
2022-09-081.90 ppb
2022-09-082.10 ppb
2022-09-080.900 ppb
2022-09-08ND
2022-09-080.700 ppb
2022-09-08ND
2022-12-12ND
2022-12-12ND
2022-12-121.000 ppb
2022-12-121.000 ppb
2022-12-120.600 ppb
2022-12-12ND
2022-12-120.700 ppb
2022-12-12ND
2023-03-13ND
2023-03-13ND
2023-03-131.30 ppb
2023-03-131.20 ppb
2023-03-130.900 ppb
2023-03-13ND
2023-03-130.700 ppb
2023-03-13ND
2023-06-12ND
2023-06-12ND
2023-06-121.70 ppb
2023-06-121.70 ppb
2023-06-121.000 ppb
2023-06-12ND
2023-06-120.600 ppb
2023-06-12ND
2023-09-11ND
2023-09-11ND
2023-09-111.50 ppb
2023-09-111.60 ppb
2023-09-111.10 ppb
2023-09-11ND
2023-09-110.600 ppb
2023-09-11ND
2023-12-12ND
2023-12-12ND
2023-12-121.10 ppb
2023-12-121.10 ppb
2023-12-120.800 ppb
2023-12-12ND
2023-12-120.600 ppb
2023-12-12ND