Know Your Environment. Protect Your Health.

Dibromochloromethane

Pawc Watres

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)

138

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.769 ppb32320.600 ppb - 1.000 ppb
20190.816 ppb3228ND - 1.50 ppb
20200.663 ppb3229ND - 1.20 ppb
20210.219 ppb3212ND - 0.700 ppb
20220.341 ppb3214ND - 1.10 ppb
20230.438 ppb3223ND - 0.800 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
2018-01-09381565011.000 ppb
2018-01-09381560010.800 ppb
2018-01-09381561010.800 ppb
2018-01-09381562010.700 ppb
2018-01-09381564010.700 ppb
2018-01-09381566010.700 ppb
2018-01-09381563010.700 ppb
2018-01-09381567010.600 ppb
2018-04-10390679010.800 ppb
2018-04-10390674010.700 ppb
2018-04-10390675010.800 ppb
2018-04-10390676010.700 ppb
2018-04-10390678010.800 ppb
2018-04-10390680010.700 ppb
2018-04-10390677010.700 ppb
2018-04-10390681010.800 ppb
2018-07-09401983010.800 ppb
2018-07-09401984010.800 ppb
2018-07-09401985010.700 ppb
2018-07-09401987010.600 ppb
2018-07-09401989010.700 ppb
2018-07-09401986010.600 ppb
2018-07-09401990011.000 ppb
2018-07-10401988010.900 ppb
2018-10-08413065010.800 ppb
2018-10-08413066010.800 ppb
2018-10-08413067010.800 ppb
2018-10-08413069011.000 ppb
2018-10-08413071010.800 ppb
2018-10-08413068010.700 ppb
2018-10-08413072010.900 ppb
2018-10-09412250010.700 ppb
2019-01-07424941011.10 ppb
2019-01-07424936010.700 ppb
2019-01-07424937011.000 ppb
2019-01-07424938010.700 ppb
2019-01-07424940011.000 ppb
2019-01-07424942010.800 ppb
2019-01-07424939010.700 ppb
2019-01-07424943010.800 ppb
2019-04-09436540011.20 ppb
2019-04-09436541010.900 ppb
2019-04-09436546010.900 ppb
2019-04-09436547010.800 ppb
2019-04-09436548011.000 ppb
2019-04-09436543010.900 ppb
2019-04-09436544010.700 ppb
2019-04-09436545010.900 ppb
2019-07-08450100010.700 ppb
2019-07-0845010101ND
2019-07-08450105010.700 ppb
2019-07-0845010601ND
2019-07-08450107010.500 ppb
2019-07-0845010201ND
2019-07-0845010301ND
2019-07-08450104010.800 ppb
2019-10-07469146010.600 ppb
2019-10-07469147011.40 ppb
2019-10-07469148011.20 ppb
2019-10-07469149011.30 ppb
2019-10-07469150011.000 ppb
2019-10-07469151010.900 ppb
2019-10-07469152011.50 ppb
2019-10-08469145011.40 ppb
2020-01-060.800 ppb
2020-01-060.500 ppb
2020-01-060.800 ppb
2020-01-060.600 ppb
2020-01-060.700 ppb
2020-01-060.600 ppb
2020-01-060.600 ppb
2020-01-060.700 ppb
2020-04-070.700 ppb
2020-04-07ND
2020-04-071.10 ppb
2020-04-070.600 ppb
2020-04-070.700 ppb
2020-04-070.700 ppb
2020-04-070.700 ppb
2020-04-070.600 ppb
2020-07-070.800 ppb
2020-07-07ND
2020-07-070.900 ppb
2020-07-070.600 ppb
2020-07-070.700 ppb
2020-07-070.700 ppb
2020-07-070.500 ppb
2020-07-070.600 ppb
2020-10-071.20 ppb
2020-10-070.700 ppb
2020-10-070.800 ppb
2020-10-070.900 ppb
2020-10-080.900 ppb
2020-10-08ND
2020-10-080.700 ppb
2020-10-080.800 ppb
2021-01-06ND
2021-01-06ND
2021-01-060.700 ppb
2021-01-06ND
2021-01-06ND
2021-01-06ND
2021-01-06ND
2021-01-06ND
2021-04-07ND
2021-04-07ND
2021-04-070.700 ppb
2021-04-07ND
2021-04-07ND
2021-04-07ND
2021-04-07ND
2021-04-07ND
2021-07-070.700 ppb
2021-07-07ND
2021-07-070.700 ppb
2021-07-070.600 ppb
2021-07-070.500 ppb
2021-07-070.500 ppb
2021-07-070.500 ppb
2021-07-070.500 ppb
2021-10-110.500 ppb
2021-10-11ND
2021-10-110.500 ppb
2021-10-110.600 ppb
2021-10-11ND
2021-10-11ND
2021-10-11ND
2021-10-11ND
2022-01-07ND
2022-01-07ND
2022-01-07ND
2022-01-100.800 ppb
2022-01-10ND
2022-01-10ND
2022-01-10ND
2022-01-10ND
2022-04-080.600 ppb
2022-04-08ND
2022-04-080.600 ppb
2022-04-110.700 ppb
2022-04-110.600 ppb
2022-04-11ND
2022-04-11ND
2022-04-11ND
2022-07-08ND
2022-07-08ND
2022-07-08ND
2022-07-110.600 ppb
2022-07-11ND
2022-07-11ND
2022-07-11ND
2022-07-11ND
2022-10-071.000 ppb
2022-10-071.000 ppb
2022-10-070.900 ppb
2022-10-100.800 ppb
2022-10-101.10 ppb
2022-10-100.800 ppb
2022-10-100.700 ppb
2022-10-100.700 ppb
2023-01-060.700 ppb
2023-01-060.600 ppb
2023-01-060.500 ppb
2023-01-090.600 ppb
2023-01-090.600 ppb
2023-01-090.600 ppb
2023-01-090.600 ppb
2023-01-090.600 ppb
2023-04-070.600 ppb
2023-04-070.700 ppb
2023-04-100.600 ppb
2023-04-100.600 ppb
2023-04-100.500 ppb
2023-04-100.500 ppb
2023-04-100.600 ppb
2023-04-10ND
2023-07-10ND
2023-07-10ND
2023-07-10ND
2023-07-10ND
2023-07-10ND
2023-07-10ND
2023-07-10ND
2023-07-10ND
2023-10-090.500 ppb
2023-10-090.700 ppb
2023-10-090.500 ppb
2023-10-090.700 ppb
2023-10-090.800 ppb
2023-10-090.600 ppb
2023-10-090.600 ppb
2023-10-090.700 ppb