Know Your Environment. Protect Your Health.

Bromoform

M E N Water Supply Corporation

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

 

48

Samples

0

Samples exceeding legal limit (MCL)

15

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.588 ppb84ND - 1.24 ppb
2019ND80ND
2020ND80ND
2021ND80ND
20221.28 ppb86ND - 2.61 ppb
20231.05 ppb85ND - 1.82 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.5 ppb

The EWG Health Guideline of 0.5 ppb for bromoform is 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, harm to reproduction and child development, and change to fetal growth and development .

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-08Q1805374002ND
2018-02-08Q1805374001ND
2018-04-19Q1816118002ND
2018-04-19Q18161180011.24 ppb
2018-07-19Q1828796003ND
2018-07-19Q18287960041.23 ppb
2018-10-25Q18427790011.21 ppb
2018-10-25Q18427790021.02 ppb
2019-02-07Q1905808002ND
2019-02-07Q1905808004ND
2019-04-30Q1917508001ND
2019-04-30Q1917508002ND
2019-08-22Q1958605002ND
2019-08-22Q1958605001ND
2019-11-20Q1977644001ND
2019-11-20Q1977644002ND
2020-02-11Q2005440001ND
2020-02-11Q2005440002ND
2020-04-14Q2014704001ND
2020-04-14Q2014704002ND
2020-08-04Q2030370001ND
2020-08-04Q2030370002ND
2020-10-20Q2041061003ND
2020-10-20Q2041061004ND
2021-01-14Q2101049001ND
2021-01-14Q2101049002ND
2021-04-05Q2108458001ND
2021-04-05Q2108458002ND
2021-07-14Q2118451002ND
2021-07-14Q2118451003ND
2021-10-14Q2128819001ND
2021-10-14Q2128819002ND
2022-03-15Q2208891002ND
2022-03-15Q2208891003ND
2022-05-03Q22134480011.23 ppb
2022-05-03Q22134480021.86 ppb
2022-08-17Q22243450011.14 ppb
2022-08-17Q22243450021.38 ppb
2022-11-09Q22338740022.01 ppb
2022-11-09Q22338740032.61 ppb
2023-01-26Q2303760001ND
2023-01-26Q23037600021.69 ppb
2023-05-02Q23164800011.25 ppb
2023-05-02Q2316480002ND
2023-07-31Q23308400031.82 ppb
2023-07-31Q23308400041.82 ppb
2023-11-02Q2347077001ND
2023-11-02Q23470770021.79 ppb