Know Your Environment. Protect Your Health.

Dibromochloromethane

City of Point

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.

 

54

Samples

0

Samples exceeding legal limit (MCL)

16

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND90ND
2019ND90ND
20200.314 ppb92ND - 1.58 ppb
20211.07 ppb97ND - 1.67 ppb
20221.25 ppb97ND - 2.06 ppb
2023ND90ND

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
2018-02-26Q1807829002ND
2018-02-26Q1807829001ND
2018-05-03Q1818077006ND
2018-05-03Q1818077005ND
2018-07-16Q1827938001ND
2018-07-16Q1827938003ND
2018-07-16Q1827938004ND
2018-11-30Q1848951001ND
2018-11-30Q1848951002ND
2019-02-20Q1907449004ND
2019-02-20Q1907449010ND
2019-05-13Q1923871001ND
2019-05-13Q1923871002ND
2019-08-07Q1951801001ND
2019-08-07Q1951801002ND
2019-09-26Q1969145001ND
2019-12-12Q1979961001ND
2019-12-12Q1979961002ND
2020-03-17Q2011581005ND
2020-03-17Q2011581006ND
2020-05-28Q2021162001ND
2020-05-28Q2021162002ND
2020-07-22Q2028847001ND
2020-07-22Q2028847003ND
2020-07-22Q2028847004ND
2020-10-27Q20414790011.25 ppb
2020-10-27Q20414790021.58 ppb
2021-03-25Q21077880011.29 ppb
2021-03-25Q21077880021.16 ppb
2021-06-16Q2115806005ND
2021-06-16Q2115806006ND
2021-09-15Q21252760021.38 ppb
2021-09-15Q21252760041.58 ppb
2021-09-15Q21252760051.67 ppb
2021-12-10Q21349490011.38 ppb
2021-12-10Q21356620011.19 ppb
2022-02-07Q22040490091.49 ppb
2022-02-07Q22040490101.57 ppb
2022-05-18Q22147220031.44 ppb
2022-05-18Q22147220041.80 ppb
2022-07-26Q22211750031.32 ppb
2022-07-26Q22211750042.06 ppb
2022-07-26Q22211750011.56 ppb
2022-11-10Q2233960001ND
2022-11-10Q2233960002ND
2023-01-19Q2302828001ND
2023-01-19Q2302828002ND
2023-05-24Q2319582001ND
2023-05-24Q2319582002ND
2023-07-25Q2329477001ND
2023-07-25Q2329477003ND
2023-07-25Q2329477004ND
2023-11-17Q2349777001ND
2023-11-17Q2349777002ND