Know Your Environment. Protect Your Health.

Bromoform

Sundance Addition

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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

21

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.766 ppb52ND - 2.30 ppb
20191.79 ppb551.16 ppb - 2.92 ppb
20201.39 ppb54ND - 2.59 ppb
20211.29 ppb53ND - 2.50 ppb
20221.35 ppb54ND - 2.19 ppb
20231.18 ppb53ND - 2.70 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
2018-03-27Q18125800182.30 ppb
2018-03-27Q18125800201.53 ppb
2018-03-27Q1812580009ND
2018-06-19Q1824313001ND
2018-06-19Q1824313002ND
2019-09-09Q19629750011.16 ppb
2019-09-09Q19629750032.92 ppb
2019-09-09Q19629750051.92 ppb
2019-09-09Q19629750141.52 ppb
2019-09-09Q19629750151.42 ppb
2020-07-22Q20288700012.59 ppb
2020-07-22Q20288700031.60 ppb
2020-07-22Q2028870009ND
2020-07-22Q20288700121.50 ppb
2020-07-22Q20288700131.28 ppb
2021-09-09Q21246280012.03 ppb
2021-09-09Q21246280021.90 ppb
2021-12-09Q2134714007ND
2021-12-09Q21347140092.50 ppb
2021-12-09Q2134714011ND
2022-09-26Q22287790011.20 ppb
2022-09-26Q22287790021.74 ppb
2022-10-21Q2232010003ND
2022-10-21Q22320100052.19 ppb
2022-10-21Q22320100071.64 ppb
2023-03-20Q2310440001ND
2023-03-20Q23104400032.70 ppb
2023-03-20Q23104400051.75 ppb
2023-05-18Q23187810011.45 ppb
2023-05-18Q2318781002ND