Know Your Environment. Protect Your Health.

Bromoform

Bethlehem

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.

 

49

Samples

0

Samples exceeding legal limit (MCL)

29

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.01 ppb86ND - 5.45 ppb
20190.803 ppb86ND - 1.47 ppb
20201.23 ppb10100.380 ppb - 2.60 ppb
20210.763 ppb85ND - 2.00 ppb
20220.625 ppb83ND - 2.00 ppb
20230.429 ppb72ND - 2.00 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
2018-02-1518022189-02A1.33 ppb
2018-02-1518022187-01A0.820 ppb
2018-05-1018051685-02A2.25 ppb
2018-05-1018051685-01A2.40 ppb
2018-08-1018082367-02A5.45 ppb
2018-08-1018082367-01A3.82 ppb
2018-11-0918111753-02AND
2018-11-0918111753-01AND
2019-02-1319021820-02AND
2019-02-1419021820-04AND
2019-05-0919051447-02A1.47 ppb
2019-05-0919051447-01A1.21 ppb
2019-08-14354915020021.000 ppb
2019-08-15354915020011.30 ppb
2019-11-197389240020.700 ppb
2019-11-197389240010.740 ppb
2020-02-2773193020010.730 ppb
2020-02-2773193020021.10 ppb
2020-02-2773193020010.730 ppb
2020-02-2773193020021.10 ppb
2020-05-1473278860020.500 ppb
2020-05-1473278860010.380 ppb
2020-08-1373387150022.60 ppb
2020-08-1373387150012.10 ppb
2020-11-1273501280021.70 ppb
2020-11-1273501280011.40 ppb
2021-02-2573615930011.60 ppb
2021-02-2573615930022.00 ppb
2021-05-137371339002ND
2021-05-137371339001ND
2021-08-171085129-021.000 ppb
2021-08-171085129-011.000 ppb
2021-11-18810-8661-20.500 ppb
2021-11-18810-8661-1ND
2022-02-172025196-03ND
2022-02-172025196-01ND
2022-05-192054926-02ND
2022-05-192054926-04ND
2022-08-182085472-042.00 ppb
2022-08-182085472-022.00 ppb
2022-11-102114282-05ND
2022-11-102114282-031.000 ppb
2023-02-233024918-02ND
2023-02-233024918-05ND
2023-05-163054640-02ND
2023-05-163054640-04ND
2023-08-173084794-02ND
2023-08-173084794-042.00 ppb
2023-11-163114658-021.000 ppb