Know Your Environment. Protect Your Health.

Bromoform

Westwood Beach

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.

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND80ND
2022ND50ND
2023ND40ND

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
2018-09-11Q1835876001ND
2018-10-10Q1840455005ND
2018-10-10Q1840455006ND
2018-10-10Q1840455012ND
2019-06-13Q1935800007ND
2019-06-13Q1935800008ND
2019-06-13Q1935800010ND
2019-06-13Q1935800012ND
2020-05-14Q2019532007ND
2020-05-14Q2019532009ND
2020-05-14Q2019532011ND
2020-05-14Q2019532025ND
2021-05-13Q2112500010ND
2021-05-13Q2112500012ND
2021-05-13Q2112500009ND
2021-05-13Q2112500001ND
2021-07-20Q2118896001ND
2021-07-20Q2118896003ND
2021-12-15Q2135518001ND
2021-12-15Q2135518003ND
2022-07-26Q2221164001ND
2022-07-26Q2221164003ND
2022-07-26Q2221164005ND
2022-07-26Q2221164013ND
2022-12-05Q2236047001ND
2023-02-28Q2307933002ND
2023-09-05Q2338104001ND
2023-10-02Q2342089004ND
2023-10-02Q2342089006ND