Know Your Environment. Protect Your Health.

Bromoform

Horsham Water&sewer Authority

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.

 

98

Samples

0

Samples exceeding legal limit (MCL)

33

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.300 ppb167ND - 0.900 ppb
20190.506 ppb1610ND - 1.70 ppb
20200.356 ppb168ND - 1.10 ppb
20210.222 ppb187ND - 0.800 ppb
20220.575 ppb169ND - 3.60 ppb
20230.244 ppb165ND - 1.20 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
2018-02-06AF75263ND
2018-02-06AF74714ND
2018-02-06AF74713ND
2018-02-06AF75264ND
2018-05-02AF82680ND
2018-05-02AF82679ND
2018-05-02AF825980.900 ppb
2018-05-02AF825990.500 ppb
2018-08-09AF92207ND
2018-08-09AF92206ND
2018-08-09AF922040.700 ppb
2018-08-09AF922050.700 ppb
2018-11-06AG003020.800 ppb
2018-11-06AF98514ND
2018-11-06AG003010.500 ppb
2018-11-06AF985130.700 ppb
2019-02-06AG069250.500 ppb
2019-02-06AG069240.600 ppb
2019-02-06AG06309ND
2019-02-06AG063100.700 ppb
2019-05-02AG14764ND
2019-05-02AG152130.700 ppb
2019-05-02AG14763ND
2019-05-02AG152120.600 ppb
2019-08-07AG25943ND
2019-08-07AG244281.70 ppb
2019-08-07AG259471.30 ppb
2019-08-07AG244290.700 ppb
2019-11-07AG372960.500 ppb
2019-11-07AG35539ND
2019-11-07AG355380.800 ppb
2019-11-07AG37290ND
2020-02-06ND
2020-02-06ND
2020-02-06ND
2020-02-06ND
2020-05-04ND
2020-05-040.500 ppb
2020-05-04ND
2020-05-040.500 ppb
2020-08-060.700 ppb
2020-08-06ND
2020-08-060.900 ppb
2020-08-061.10 ppb
2020-11-050.600 ppb
2020-11-050.600 ppb
2020-11-05ND
2020-11-050.800 ppb
2021-02-040.500 ppb
2021-02-04ND
2021-02-04ND
2021-02-04ND
2021-05-06ND
2021-05-06ND
2021-05-06ND
2021-05-06ND
2021-08-050.600 ppb
2021-08-050.500 ppb
2021-08-050.500 ppb
2021-08-05ND
2021-08-310.800 ppb
2021-08-31ND
2021-11-040.500 ppb
2021-11-04ND
2021-11-04ND
2021-11-040.600 ppb
2022-02-030.500 ppb
2022-02-03ND
2022-02-03ND
2022-02-03ND
2022-05-05ND
2022-05-05ND
2022-05-05ND
2022-05-050.800 ppb
2022-08-043.60 ppb
2022-08-040.800 ppb
2022-08-040.600 ppb
2022-08-040.900 ppb
2022-11-030.500 ppb
2022-11-030.600 ppb
2022-11-030.900 ppb
2022-11-03ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-05-040.600 ppb
2023-05-04ND
2023-05-04ND
2023-05-040.700 ppb
2023-08-030.900 ppb
2023-08-031.20 ppb
2023-08-03ND
2023-08-03ND
2023-11-020.500 ppb
2023-11-02ND
2023-11-02ND
2023-11-02ND