Know Your Environment. Protect Your Health.

Bromoform

Pennsylvania American Water Berwick

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.

 

32

Samples

0

Samples exceeding legal limit (MCL)

13

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.80 ppb220.900 ppb - 4.70 ppb
20190.600 ppb32ND - 1.000 ppb
20201.60 ppb74ND - 8.70 ppb
20210.163 ppb163ND - 1.000 ppb
20220.650 ppb21ND - 1.30 ppb
20230.500 ppb21ND - 1.000 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
2018-07-09401862014.70 ppb
2018-10-08412979010.900 ppb
2019-04-0843643801ND
2019-07-08449954010.800 ppb
2019-10-07468211011.000 ppb
2020-07-068.70 ppb
2020-07-220.700 ppb
2020-08-261.10 ppb
2020-10-06ND
2020-10-060.700 ppb
2020-10-06ND
2020-10-06ND
2021-01-06ND
2021-01-06ND
2021-01-06ND
2021-01-06ND
2021-04-06ND
2021-04-060.600 ppb
2021-04-06ND
2021-04-06ND
2021-07-06ND
2021-07-06ND
2021-07-06ND
2021-07-061.000 ppb
2021-10-061.000 ppb
2021-10-06ND
2021-10-06ND
2021-10-06ND
2022-04-06ND
2022-07-061.30 ppb
2023-04-06ND
2023-07-061.000 ppb