Know Your Environment. Protect Your Health.

Bromoform

New 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.

 

36

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.272 ppb61ND - 1.63 ppb
2019ND60ND
2020ND60ND
2021ND60ND
20220.362 ppb61ND - 2.17 ppb
2023ND60ND

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
2018-06-06Q1822507003ND
2018-06-06Q1822507005ND
2018-06-06Q1822507027ND
2018-06-06Q1822507028ND
2018-06-06Q1822507001ND
2018-09-19Q18375970031.63 ppb
2019-06-03Q1930848003ND
2019-06-03Q1930848005ND
2019-06-03Q1930848007ND
2019-06-03Q1930848008ND
2019-09-23Q1968123001ND
2019-12-10Q1979549001ND
2020-09-14Q2036338001ND
2020-09-14Q2036338002ND
2020-11-09Q2043745001ND
2020-11-09Q2043745003ND
2020-11-09Q2043745007ND
2020-11-09Q2043745009ND
2021-04-15Q2109763009ND
2021-04-15Q2109763015ND
2021-04-15Q2109763013ND
2021-04-15Q2109763011ND
2021-08-02Q2119990001ND
2021-08-02Q2119990002ND
2022-05-09Q2213779001ND
2022-05-09Q22137790022.17 ppb
2022-05-09Q2213779004ND
2022-05-09Q2213779006ND
2022-05-09Q2213779009ND
2022-05-09Q2213779011ND
2023-06-15Q2322767004ND
2023-06-15Q2322767006ND
2023-06-15Q2322767011ND
2023-06-15Q2322767012ND
2023-06-15Q2322767016ND
2023-06-15Q2322767018ND