Know Your Environment. Protect Your Health.

Bromoform

Pepperell DPW Water Division

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.

 

58

Samples

0

Samples exceeding legal limit (MCL)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.1000 ppb142ND - 0.700 ppb
20190.106 ppb142ND - 0.740 ppb
20200.169 ppb71ND - 1.18 ppb
20210.237 ppb91ND - 2.13 ppb
2022ND60ND
20230.1000 ppb81ND - 0.800 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 Result
2018-04-02ND
2018-04-02ND
2018-04-02ND
2018-04-02ND
2018-04-02ND
2018-04-02ND
2018-04-02ND
2018-04-02ND
2018-04-02ND
2018-04-020.700 ppb
2018-04-020.700 ppb
2018-04-02ND
2018-08-14ND
2018-08-14ND
2019-05-06ND
2019-05-06ND
2019-05-06ND
2019-05-06ND
2019-05-06ND
2019-05-06ND
2019-05-06ND
2019-05-06ND
2019-05-060.740 ppb
2019-05-060.740 ppb
2019-05-06ND
2019-05-06ND
2019-08-06ND
2019-08-06ND
2020-06-02ND
2020-06-02ND
2020-06-02ND
2020-06-02ND
2020-06-02ND
2020-06-02ND
2020-08-041.18 ppb
2021-05-12ND
2021-05-12ND
2021-05-122.13 ppb
2021-05-12ND
2021-05-12ND
2021-08-17ND
2021-08-17ND
2021-08-17ND
2021-08-20ND
2022-04-19ND
2022-04-19ND
2022-04-19ND
2022-04-19ND
2022-04-19ND
2022-04-19ND
2023-04-04ND
2023-04-04ND
2023-04-04ND
2023-04-04ND
2023-04-04ND
2023-04-04ND
2023-05-03ND
2023-08-110.800 ppb