Know Your Environment. Protect Your Health.

Bromoform

Aqua Pa West Chester

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)

20

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0476 ppb212ND - 0.500 ppb
20190.819 ppb168ND - 4.60 ppb
20200.456 ppb164ND - 2.40 ppb
20210.463 ppb164ND - 2.30 ppb
20220.588 ppb169ND - 2.80 ppb
20230.638 ppb165ND - 3.30 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
2018-01-02AF72496ND
2018-01-02AF72398ND
2018-01-04AF72757ND
2018-01-04AF72756ND
2018-01-25AF74758ND
2018-04-03AF80281ND
2018-04-03AF797650.500 ppb
2018-04-05AF80584ND
2018-04-05AF80583ND
2018-07-03AF88313ND
2018-07-03AF87837ND
2018-07-05AF88636ND
2018-07-05AF88635ND
2018-07-17AF899620.500 ppb
2018-07-17AF89579ND
2018-07-17AF89983ND
2018-07-31AF91179ND
2018-10-02AF97092ND
2018-10-02AF97091ND
2018-10-04AF97458ND
2018-10-04AF97457ND
2019-01-02AG05058ND
2019-01-03AG048172.00 ppb
2019-01-03AG05076ND
2019-01-03AG04374ND
2019-04-02AG118761.60 ppb
2019-04-02AG130010.500 ppb
2019-04-02AG129930.500 ppb
2019-04-02AG118770.500 ppb
2019-07-02AG204224.60 ppb
2019-07-02AG223770.500 ppb
2019-07-02AG22369ND
2019-07-02AG20423ND
2019-10-01AG318572.90 ppb
2019-10-01AG33795ND
2019-10-01AG33135ND
2019-10-01AG31858ND
2020-01-072.00 ppb
2020-01-07ND
2020-01-07ND
2020-01-07ND
2020-04-071.30 ppb
2020-04-07ND
2020-04-07ND
2020-04-07ND
2020-07-071.60 ppb
2020-07-07ND
2020-07-07ND
2020-07-07ND
2020-10-062.40 ppb
2020-10-06ND
2020-10-06ND
2020-10-06ND
2021-01-051.50 ppb
2021-01-05ND
2021-01-05ND
2021-01-05ND
2021-04-061.50 ppb
2021-04-06ND
2021-04-06ND
2021-04-06ND
2021-07-062.30 ppb
2021-07-06ND
2021-07-06ND
2021-07-06ND
2021-10-052.10 ppb
2021-10-05ND
2021-10-05ND
2021-10-05ND
2022-01-040.500 ppb
2022-01-04ND
2022-01-04ND
2022-01-04ND
2022-04-051.50 ppb
2022-04-05ND
2022-04-05ND
2022-04-05ND
2022-07-062.80 ppb
2022-07-060.500 ppb
2022-07-060.500 ppb
2022-07-060.600 ppb
2022-10-042.00 ppb
2022-10-040.500 ppb
2022-10-04ND
2022-10-040.500 ppb
2023-01-101.80 ppb
2023-01-10ND
2023-01-10ND
2023-01-10ND
2023-04-102.20 ppb
2023-04-10ND
2023-04-10ND
2023-04-10ND
2023-07-113.30 ppb
2023-07-11ND
2023-07-110.500 ppb
2023-07-11ND
2023-10-102.40 ppb
2023-10-10ND
2023-10-10ND
2023-10-13ND