Know Your Environment. Protect Your Health.

Bromoform

North Town Acres

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

9

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.00 ppb43ND - 1.50 ppb
2019ND40ND
2020ND40ND
2021ND40ND
20221.85 ppb43ND - 2.67 ppb
20231.36 ppb43ND - 2.16 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
2018-01-31Q18037200011.12 ppb
2018-04-17Q18155860011.50 ppb
2018-07-17Q18285930011.39 ppb
2018-10-23Q1842773001ND
2019-01-10Q1901451001ND
2019-04-04Q1913770001ND
2019-07-29Q1948670001ND
2019-10-14Q1972415001ND
2020-01-23Q2002757001ND
2020-04-09Q2014417001ND
2020-07-21Q2028409001ND
2020-10-20Q2041066001ND
2021-01-20Q2101386002ND
2021-04-08Q2109062001ND
2021-07-13Q2118257001ND
2021-10-11Q2128079001ND
2022-03-10Q2208300001ND
2022-05-03Q22134530012.28 ppb
2022-08-23Q22249960022.46 ppb
2022-11-15Q22343140012.67 ppb
2023-03-02Q2308472001ND
2023-06-27Q23246330011.57 ppb
2023-09-05Q23381240012.16 ppb
2023-10-31Q23465450021.71 ppb