Know Your Environment. Protect Your Health.

Bromoform

Pennsylvania American White Deer

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.

 

101

Samples

0

Samples exceeding legal limit (MCL)

21

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20183.15 ppb178ND - 14.4 ppb
20190.200 ppb163ND - 1.20 ppb
20201.48 ppb165ND - 8.70 ppb
20210.381 ppb163ND - 3.70 ppb
20220.0800 ppb202ND - 0.800 ppb
2023ND160ND

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
2018-01-083815250112.7 ppb
2018-01-083815240114.4 ppb
2018-01-0838151401ND
2018-01-08381522016.70 ppb
2018-04-0939062101ND
2018-04-0939062001ND
2018-04-0939061201ND
2018-04-09390618011.20 ppb
2018-07-09401932012.40 ppb
2018-07-09401930013.20 ppb
2018-07-0940192601ND
2018-07-09401929013.60 ppb
2018-09-10377120019.30 ppb
2018-10-0941302801ND
2018-10-0941302601ND
2018-10-0941302201ND
2018-10-0941302501ND
2019-01-0742490101ND
2019-01-0742489901ND
2019-01-0742489501ND
2019-01-0742489801ND
2019-04-0843648701ND
2019-04-0843648601ND
2019-04-0843648901ND
2019-04-0943648801ND
2019-07-0845004701ND
2019-07-0845004001ND
2019-07-0845004101ND
2019-07-0845004401ND
2019-10-07468249011.000 ppb
2019-10-07468246011.000 ppb
2019-10-0746824701ND
2019-10-07468248011.20 ppb
2020-01-06ND
2020-01-06ND
2020-01-06ND
2020-01-06ND
2020-04-06ND
2020-04-06ND
2020-04-06ND
2020-04-06ND
2020-07-060.900 ppb
2020-07-06ND
2020-07-06ND
2020-07-061.000 ppb
2020-10-06ND
2020-10-068.70 ppb
2020-10-066.70 ppb
2020-10-066.30 ppb
2021-01-06ND
2021-01-06ND
2021-01-06ND
2021-01-06ND
2021-04-06ND
2021-04-06ND
2021-04-06ND
2021-04-06ND
2021-07-060.900 ppb
2021-07-063.70 ppb
2021-07-06ND
2021-07-061.50 ppb
2021-10-12ND
2021-10-12ND
2021-10-12ND
2021-10-12ND
2022-01-05ND
2022-01-05ND
2022-01-05ND
2022-01-05ND
2022-01-10ND
2022-01-10ND
2022-01-10ND
2022-01-10ND
2022-04-06ND
2022-04-06ND
2022-04-06ND
2022-04-06ND
2022-07-060.800 ppb
2022-07-06ND
2022-07-06ND
2022-07-060.800 ppb
2022-10-06ND
2022-10-06ND
2022-10-06ND
2022-10-06ND
2023-01-09ND
2023-01-09ND
2023-01-09ND
2023-01-09ND
2023-04-06ND
2023-04-06ND
2023-04-06ND
2023-04-06ND
2023-07-06ND
2023-07-06ND
2023-07-06ND
2023-07-06ND
2023-10-10ND
2023-10-10ND
2023-10-10ND
2023-10-10ND