Know Your Environment. Protect Your Health.

Bromoform

Northeast Knox U D

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.

 

74

Samples

0

Samples exceeding legal limit (MCL)

44

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.530 ppb42ND - 1.50 ppb
20190.285 ppb41ND - 1.14 ppb
20200.791 ppb110.791 ppb
20210.968 ppb199ND - 3.21 ppb
20221.13 ppb2519ND - 2.27 ppb
20230.839 ppb2112ND - 2.22 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
2018-01-170.621 ppb
2018-04-12ND
2018-07-11ND
2018-10-161.50 ppb
2019-01-15ND
2019-04-09ND
2019-07-16ND
2019-10-171.14 ppb
2020-01-150.791 ppb
2021-01-210.870 ppb
2021-03-16ND
2021-03-16ND
2021-03-16ND
2021-03-16ND
2021-05-20ND
2021-06-16ND
2021-06-16ND
2021-06-16ND
2021-06-16ND
2021-08-19ND
2021-09-211.88 ppb
2021-09-211.65 ppb
2021-09-211.85 ppb
2021-09-211.65 ppb
2021-12-142.32 ppb
2021-12-142.12 ppb
2021-12-143.21 ppb
2021-12-142.84 ppb
2022-01-201.28 ppb
2022-01-201.28 ppb
2022-03-161.02 ppb
2022-03-161.20 ppb
2022-03-161.63 ppb
2022-03-161.24 ppb
2022-03-161.20 ppb
2022-03-161.24 ppb
2022-03-161.63 ppb
2022-03-161.02 ppb
2022-04-21ND
2022-06-14ND
2022-06-14ND
2022-06-14ND
2022-06-14ND
2022-07-19ND
2022-09-201.59 ppb
2022-09-201.51 ppb
2022-09-201.71 ppb
2022-09-201.56 ppb
2022-10-171.66 ppb
2022-12-122.03 ppb
2022-12-121.32 ppb
2022-12-122.27 ppb
2022-12-121.89 ppb
2023-01-170.937 ppb
2023-01-170.937 ppb
2023-01-170.937 ppb
2023-03-14ND
2023-03-14ND
2023-03-14ND
2023-03-14ND
2023-04-19ND
2023-06-19ND
2023-06-19ND
2023-06-19ND
2023-06-20ND
2023-09-201.87 ppb
2023-09-202.22 ppb
2023-09-202.00 ppb
2023-09-202.09 ppb
2023-10-171.11 ppb
2023-12-041.26 ppb
2023-12-041.39 ppb
2023-12-041.51 ppb
2023-12-041.36 ppb