Know Your Environment. Protect Your Health.

Bromoform

Pennsylvania American Water Company Clarion

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)

16

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
20190.250 ppb163ND - 1.40 ppb
20200.388 ppb165ND - 1.70 ppb
20210.0313 ppb161ND - 0.500 ppb
20220.169 ppb164ND - 0.900 ppb
20230.350 ppb166ND - 1.40 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
2018-01-0238164601ND
2018-01-0238165301ND
2018-01-0238164901ND
2018-01-0238164501ND
2018-04-0339077301ND
2018-04-0339077901ND
2018-04-0339077401ND
2018-04-0339077001ND
2018-07-0340212401ND
2018-07-0340211901ND
2018-07-0340212001ND
2018-07-0340211601ND
2018-10-0241314101ND
2018-10-0241314401ND
2018-10-0241313901ND
2018-10-0241314201ND
2019-01-0242503301ND
2019-01-0242503501ND
2019-01-0242503001ND
2019-01-0242503201ND
2019-04-0243663601ND
2019-04-0243663501ND
2019-04-0243663701ND
2019-04-0243663401ND
2019-07-0245022801ND
2019-07-0245022701ND
2019-07-0245022901ND
2019-07-0245022601ND
2019-10-02468349011.40 ppb
2019-10-02468347011.20 ppb
2019-10-0847390901ND
2019-10-08473908011.40 ppb
2020-01-020.500 ppb
2020-01-02ND
2020-01-02ND
2020-01-02ND
2020-04-02ND
2020-04-02ND
2020-04-02ND
2020-04-02ND
2020-07-06ND
2020-07-06ND
2020-07-06ND
2020-07-06ND
2020-10-051.50 ppb
2020-10-051.50 ppb
2020-10-051.70 ppb
2020-10-051.000 ppb
2021-01-05ND
2021-01-05ND
2021-01-05ND
2021-01-05ND
2021-04-050.500 ppb
2021-04-05ND
2021-04-05ND
2021-04-05ND
2021-07-02ND
2021-07-02ND
2021-07-02ND
2021-07-02ND
2021-10-04ND
2021-10-04ND
2021-10-04ND
2021-10-04ND
2022-01-03ND
2022-01-03ND
2022-01-03ND
2022-01-03ND
2022-04-04ND
2022-04-04ND
2022-04-04ND
2022-04-04ND
2022-07-05ND
2022-07-050.900 ppb
2022-07-050.600 ppb
2022-07-050.700 ppb
2022-10-030.500 ppb
2022-10-03ND
2022-10-03ND
2022-10-03ND
2023-01-03ND
2023-01-03ND
2023-01-03ND
2023-01-03ND
2023-04-03ND
2023-04-03ND
2023-04-03ND
2023-04-03ND
2023-07-050.600 ppb
2023-07-051.40 ppb
2023-07-051.10 ppb
2023-07-051.20 ppb
2023-10-020.700 ppb
2023-10-02ND
2023-10-020.600 ppb
2023-10-02ND