Know Your Environment. Protect Your Health.

Bromoform

Mountain Springs 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.

 

31

Samples

0

Samples exceeding legal limit (MCL)

13

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20184.73 ppb53ND - 10.1 ppb
20190.578 ppb51ND - 2.89 ppb
20205.51 ppb64ND - 13.4 ppb
202110.4 ppb52ND - 26.6 ppb
2022ND50ND
20233.28 ppb53ND - 9.68 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
2018-03-13Q1810191003ND
2018-03-13Q18101910055.30 ppb
2018-03-13Q1810191001ND
2018-06-28Q18260590028.25 ppb
2018-06-28Q182605900510.1 ppb
2019-01-28Q1904051006ND
2019-01-28Q1904051008ND
2019-01-28Q1904051010ND
2019-01-28Q1904051012ND
2019-08-01Q19501520022.89 ppb
2020-05-13Q201933900913.4 ppb
2020-05-13Q201933901011.5 ppb
2020-09-29Q20383360016.94 ppb
2020-11-05Q2043235022ND
2020-11-05Q20432350041.24 ppb
2020-11-05Q2043235008ND
2021-07-28Q211978100226.6 ppb
2021-11-16Q213200400125.6 ppb
2021-11-16Q2132004003ND
2021-11-16Q2132004005ND
2021-11-16Q2132004007ND
2022-07-18Q2220621002ND
2022-10-18Q2231735009ND
2022-10-18Q2231735015ND
2022-10-18Q2231735013ND
2022-10-18Q2231735011ND
2023-09-19Q23402630024.49 ppb
2023-11-30Q23510330072.23 ppb
2023-11-30Q2351033009ND
2023-11-30Q2351033011ND
2023-12-13Q23534130039.68 ppb