Know Your Environment. Protect Your Health.

Dibromochloromethane

Tesoro Viejo Master Mwc, Inc.

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.

 

34

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND110ND
2020ND80ND
2021ND40ND
20220.150 ppb41ND - 0.600 ppb
20230.133 ppb41ND - 0.530 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
2018-09-17CA2010017_DST_900-201809170851ND
2018-10-10CA2010017_DST_900-201810100829ND
2018-12-09CA2010017_DST_900-201812091355ND
2019-01-08CA2010017_DST_900-201901081315ND
2019-03-11CA2010017_DST_900-201903111305ND
2019-03-13CA2010017_DST_900-201903130710ND
2019-03-15CA2010017_DST_900-201903151250ND
2019-03-25CA2010017_DST_900-201903251135ND
2019-03-27CA2010017_DST_900-201903270900ND
2019-03-29CA2010017_DST_900-201903290645ND
2019-04-10CA2010017_DST_900-201904100715ND
2019-06-12CA2010017_DST_900-201906120825ND
2019-07-10CA2010017_DST_900-201907100930ND
2019-10-16CA2010017_DST_900-201910160930ND
2020-01-15CA2010017_DST_900-202001151510ND
2020-04-03CA2010017_DST_900-202004030740ND
2020-04-08CA2010017_DST_900-202004080825ND
2020-04-09CA2010017_DST_900-202004091310ND
2020-04-15CA2010017_DST_900-202004150745ND
2020-04-22CA2010017_DST_900-202004220805ND
2020-07-15CA2010017_DST_900-202007150810ND
2020-10-14CA2010017_DST_900-202010140835ND
2021-01-13CA2010017_DST_900-202101130830ND
2021-04-14CA2010017_DST_900-202104140825ND
2021-07-14CA2010017_DST_900-202107141010ND
2021-10-13CA2010017_DST_900-202110130935ND
2022-01-12CA2010017_DST_900-2022011208500.600 ppb
2022-04-13CA2010017_DST_900-202204130845ND
2022-07-14CA2010017_DST_900-202207140945ND
2022-10-11CA2010017_DST_900-202210110700ND
2023-01-11CA2010017_DST_900-2023011108550.530 ppb
2023-04-20CA2010017_DST_900-202304200645ND
2023-07-12CA2010017_DST_900-202307120630ND
2023-10-02CA2010017_DST_900-202310020735ND