Know Your Environment. Protect Your Health.

Bromoform

Pennsylvania American Royersford

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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

22

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.438 ppb166ND - 1.90 ppb
20190.413 ppb165ND - 2.90 ppb
20200.450 ppb166ND - 3.10 ppb
20210.169 ppb162ND - 1.60 ppb
20220.288 ppb165ND - 2.30 ppb
20230.0875 ppb162ND - 0.900 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
2018-01-09381619011.40 ppb
2018-01-09381617011.90 ppb
2018-01-09381626011.50 ppb
2018-01-09381616010.800 ppb
2018-04-1039072801ND
2018-04-1039074101ND
2018-04-1039073201ND
2018-04-1039072701ND
2018-07-10402078010.800 ppb
2018-07-1040208801ND
2018-07-1040208101ND
2018-07-1040207701ND
2018-10-0841311601ND
2018-10-08413117010.600 ppb
2018-10-0841311901ND
2018-10-0841312601ND
2019-01-0842499901ND
2019-01-0842500201ND
2019-01-0842500001ND
2019-01-0842500901ND
2019-04-0843660101ND
2019-04-0843659901ND
2019-04-0843659801ND
2019-04-0843660001ND
2019-07-0845018901ND
2019-07-0845019101ND
2019-07-08450192011.000 ppb
2019-07-0845019001ND
2019-10-09468328011.10 ppb
2019-10-09468329012.90 ppb
2019-10-09468327010.700 ppb
2019-10-09468326010.900 ppb
2020-01-08ND
2020-01-08ND
2020-01-08ND
2020-01-08ND
2020-04-08ND
2020-04-08ND
2020-04-08ND
2020-04-08ND
2020-07-070.700 ppb
2020-07-073.10 ppb
2020-07-07ND
2020-07-070.700 ppb
2020-10-08ND
2020-10-080.500 ppb
2020-10-081.30 ppb
2020-10-080.900 ppb
2021-01-07ND
2021-01-07ND
2021-01-07ND
2021-01-07ND
2021-04-07ND
2021-04-07ND
2021-04-07ND
2021-04-07ND
2021-07-12ND
2021-07-121.60 ppb
2021-07-12ND
2021-07-12ND
2021-10-07ND
2021-10-071.10 ppb
2021-10-07ND
2021-10-07ND
2022-01-10ND
2022-01-10ND
2022-01-100.600 ppb
2022-01-10ND
2022-04-07ND
2022-04-07ND
2022-04-070.500 ppb
2022-04-07ND
2022-07-11ND
2022-07-11ND
2022-07-112.30 ppb
2022-07-110.500 ppb
2022-10-10ND
2022-10-10ND
2022-10-100.700 ppb
2022-10-10ND
2023-01-09ND
2023-01-09ND
2023-01-09ND
2023-01-09ND
2023-04-10ND
2023-04-100.500 ppb
2023-04-10ND
2023-04-10ND
2023-07-07ND
2023-07-070.900 ppb
2023-07-07ND
2023-07-07ND
2023-10-09ND
2023-10-09ND
2023-10-09ND
2023-10-09ND