Know Your Environment. Protect Your Health.

Bromodichloromethane

City of Pilot Point

Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

52

Samples

0

Samples exceeding legal limit (MCL)

18

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.144 ppb71ND - 1.01 ppb
20190.407 ppb103ND - 1.79 ppb
20200.830 ppb115ND - 4.12 ppb
20210.555 ppb83ND - 1.71 ppb
20220.694 ppb84ND - 1.99 ppb
20230.373 ppb82ND - 1.84 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.06 ppb

The EWG Health Guideline of 0.06 ppb for bromodichloromethane was 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 and harm to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-15Q1810838004ND
2018-03-15Q18108380021.01 ppb
2018-03-15Q1810838011ND
2018-03-15Q1810838009ND
2018-03-15Q1810838005ND
2018-03-15Q1810838007ND
2018-07-10Q1827458002ND
2019-04-02Q1913162001ND
2019-04-02Q19131620061.79 ppb
2019-04-02Q1913162009ND
2019-04-02Q19131620171.16 ppb
2019-04-02Q1913162020ND
2019-05-30Q1930236002ND
2019-05-30Q19302360071.12 ppb
2019-05-30Q1930236010ND
2019-08-08Q1953061005ND
2019-10-24Q1973669004ND
2020-01-16Q20017320111.38 ppb
2020-01-16Q2001732013ND
2020-01-16Q2001732015ND
2020-01-16Q20017320171.02 ppb
2020-01-16Q2001732019ND
2020-01-16Q2001732021ND
2020-05-11Q2018213003ND
2020-05-11Q20182130051.19 ppb
2020-05-11Q2018213013ND
2020-08-04Q20303570014.12 ppb
2020-12-15Q20496910011.42 ppb
2021-09-13Q2124861002ND
2021-11-09Q2131343006ND
2021-11-09Q2131343015ND
2021-11-09Q2131343017ND
2021-11-09Q21313430191.32 ppb
2021-11-09Q21313430211.71 ppb
2021-11-09Q21313430231.41 ppb
2021-11-09Q2131343025ND
2022-06-21Q2217164006ND
2022-06-21Q2217164008ND
2022-08-24Q22252010021.99 ppb
2022-10-13Q22310680021.21 ppb
2022-10-13Q2231068010ND
2022-10-13Q2231068008ND
2022-10-13Q22310680061.15 ppb
2022-10-13Q22310680041.20 ppb
2023-08-16Q2334321016ND
2023-08-16Q23343210181.84 ppb
2023-08-16Q2334321020ND
2023-08-16Q2334321024ND
2023-11-06Q2347478007ND
2023-11-06Q2347478009ND
2023-11-06Q23474780111.14 ppb
2023-11-06Q2347478013ND