Know Your Environment. Protect Your Health.

Bromoform

Middleton Water Department

NOTE: Middleton Water Department purchases water from Danvers Water Department which is required to test for bromoform. Sample information shown below was taken by Danvers Water Department.

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.

 

159

Samples

0

Samples exceeding legal limit (MCL)

10

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
2019ND200ND
2020ND80ND
2021ND60ND
2022ND80ND
2023ND80ND

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

NOTE: Middleton Water Department purchases water from Danvers Water Department which is required to test for bromoform. Sample information shown below was taken by Danvers Water Department.

Date Result
2018-01-161.11 ppb
2018-01-161.11 ppb
2018-01-16ND
2018-01-16ND
2018-03-07ND
2018-03-07ND
2018-03-07ND
2018-03-07ND
2018-03-07ND
2018-03-07ND
2018-03-07ND
2018-03-07ND
2018-05-101.08 ppb
2018-05-101.08 ppb
2018-05-10ND
2018-05-10ND
2018-06-06ND
2018-06-06ND
2018-06-06ND
2018-06-06ND
2018-06-06ND
2018-06-06ND
2018-06-06ND
2018-06-06ND
2018-08-02ND
2018-08-02ND
2018-08-131.79 ppb
2018-08-131.79 ppb
2018-08-13ND
2018-08-13ND
2018-09-06ND
2018-09-06ND
2018-09-06ND
2018-09-06ND
2018-09-06ND
2018-09-06ND
2018-09-06ND
2018-09-06ND
2018-10-15ND
2018-10-15ND
2018-10-151.44 ppb
2018-10-151.44 ppb
2018-10-15ND
2018-10-15ND
2018-12-05ND
2018-12-05ND
2018-12-05ND
2018-12-05ND
2018-12-05ND
2018-12-05ND
2018-12-05ND
2018-12-05ND
2019-03-13ND
2019-03-13ND
2019-03-13ND
2019-03-13ND
2019-03-13ND
2019-03-13ND
2019-03-13ND
2019-03-13ND
2019-03-26ND
2019-03-26ND
2019-03-26ND
2019-03-26ND
2019-04-171.24 ppb
2019-04-171.24 ppb
2019-04-17ND
2019-04-17ND
2019-06-06ND
2019-06-06ND
2019-06-06ND
2019-06-06ND
2019-06-06ND
2019-06-06ND
2019-06-06ND
2019-06-06ND
2019-09-05ND
2019-09-05ND
2019-09-05ND
2019-09-05ND
2019-09-05ND
2019-09-05ND
2019-09-05ND
2019-09-05ND
2019-12-05ND
2019-12-05ND
2019-12-05ND
2019-12-05ND
2019-12-05ND
2019-12-05ND
2019-12-05ND
2019-12-05ND
2020-01-21ND
2020-03-05ND
2020-03-05ND
2020-03-05ND
2020-03-05ND
2020-06-03ND
2020-06-03ND
2020-06-03ND
2020-06-03ND
2020-07-09ND
2020-09-02ND
2020-09-02ND
2020-09-02ND
2020-09-02ND
2020-11-30ND
2020-12-02ND
2020-12-02ND
2020-12-02ND
2020-12-02ND
2021-03-03ND
2021-03-03ND
2021-03-03ND
2021-03-03ND
2021-06-02ND
2021-06-02ND
2021-06-02ND
2021-06-02ND
2021-12-08ND
2021-12-08ND
2021-12-08ND
2021-12-08ND
2022-03-02ND
2022-03-02ND
2022-03-02ND
2022-03-02ND
2022-06-07ND
2022-06-07ND
2022-06-07ND
2022-06-07ND
2022-08-22ND
2022-09-07ND
2022-09-07ND
2022-09-07ND
2022-09-07ND
2022-11-21ND
2022-12-06ND
2022-12-06ND
2022-12-06ND
2022-12-06ND
2023-03-07ND
2023-03-07ND
2023-03-07ND
2023-03-07ND
2023-06-07ND
2023-06-07ND
2023-06-07ND
2023-06-07ND
2023-07-13ND
2023-09-08ND
2023-09-08ND
2023-09-08ND
2023-09-08ND
2023-12-05ND
2023-12-05ND
2023-12-05ND
2023-12-05ND
2023-12-18ND