Know Your Environment. Protect Your Health.

Bromoform

Woodward Resource Center

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.

 

46

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND100ND
2019ND80ND
2020ND80ND
2021ND80ND
20220.113 ppb81ND - 0.900 ppb
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
2018-02-15OE623337ND
2018-02-15OE623336ND
2018-04-23OE648663ND
2018-04-23OE648662ND
2018-05-23OE661412ND
2018-05-23OE661413ND
2018-08-08OE695555ND
2018-08-08OE695556ND
2018-11-19OE741564ND
2018-11-19OE741565ND
2019-02-13OE770429ND
2019-02-13OE770430ND
2019-05-20OE810103ND
2019-05-20OE810104ND
2019-08-22OE854937ND
2019-08-22OE854938ND
2019-11-20OE896087ND
2019-11-20OE896088ND
2020-02-26OE933363ND
2020-02-26OE933364ND
2020-05-14OE1008268ND
2020-05-14OE1008269ND
2020-08-18OE1182961ND
2020-08-18OE1182933ND
2020-11-18OE1435042ND
2020-11-18OE1435043ND
2021-02-23OE1599455ND
2021-02-23OE1599456ND
2021-05-17OE1698766ND
2021-05-17OE1698767ND
2021-08-09OE1788578ND
2021-08-09OE1788579ND
2021-11-03OE1918693ND
2021-11-03OE1918694ND
2022-02-15OE20452260.900 ppb
2022-02-15OE2045227ND
2022-05-18OE2101783ND
2022-05-18OE2101784ND
2022-08-23OE2159431ND
2022-08-23OE2159432ND
2022-11-17OE2206983ND
2022-11-17OE2206984ND
2023-02-15OE2242410ND
2023-05-11OE2279124ND
2023-08-21OE2325089ND
2023-11-20OE2365472ND