Know Your Environment. Protect Your Health.

Bromoform

Western Cass Water Supply Corporation

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.

 

83

Samples

0

Samples exceeding legal limit (MCL)

39

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.670 ppb115ND - 1.96 ppb
20190.641 ppb135ND - 2.55 ppb
20201.25 ppb1710ND - 3.96 ppb
20212.65 ppb145ND - 30.7 ppb
20222.43 ppb147ND - 25.0 ppb
20232.85 ppb147ND - 30.1 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
2018-03-08Q1809687004ND
2018-03-08Q18096870021.10 ppb
2018-03-08Q1809687009ND
2018-03-08Q1809687006ND
2018-03-08Q1809687007ND
2018-06-25Q1825196002ND
2018-06-25Q18251960011.50 ppb
2018-09-20Q18378080011.96 ppb
2018-09-20Q18378080021.19 ppb
2018-12-05Q1850103001ND
2018-12-05Q18501030021.62 ppb
2019-02-27Q19082660011.58 ppb
2019-02-27Q1908266002ND
2019-05-02Q19182360031.11 ppb
2019-05-02Q1918236016ND
2019-05-02Q19182360151.66 ppb
2019-05-02Q1918236009ND
2019-05-02Q1918236007ND
2019-05-02Q1918236005ND
2019-05-02Q1918236001ND
2019-08-14Q19548740012.55 ppb
2019-08-14Q19548740021.43 ppb
2019-10-21Q1973228001ND
2019-10-21Q1973228002ND
2020-02-25Q20069470011.87 ppb
2020-02-25Q2006947002ND
2020-03-19Q20119970051.52 ppb
2020-03-19Q20119970131.29 ppb
2020-04-21Q20157670342.36 ppb
2020-04-21Q20157670361.40 ppb
2020-04-21Q20157670351.08 ppb
2020-04-21Q2015767017ND
2020-04-21Q20157670153.07 ppb
2020-04-21Q2015767013ND
2020-04-21Q2015767011ND
2020-07-28Q20294400032.41 ppb
2020-07-28Q2029440004ND
2020-07-28Q2029440005ND
2020-10-22Q20412220032.33 ppb
2020-10-22Q2041222004ND
2020-10-22Q20412220053.96 ppb
2021-03-23Q21073770011.78 ppb
2021-03-23Q2107377002ND
2021-05-11Q21121260011.37 ppb
2021-05-11Q2112126002ND
2021-08-17Q21224090011.62 ppb
2021-08-17Q2122409002ND
2021-10-25Q2129911014ND
2021-10-25Q2129911019ND
2021-10-25Q21299110181.67 ppb
2021-10-25Q2129911016ND
2021-10-25Q212991101230.7 ppb
2021-10-25Q2129911010ND
2021-10-25Q2129911008ND
2021-10-25Q2129911006ND
2022-02-08Q22042760011.47 ppb
2022-02-08Q2204276002ND
2022-04-14Q22115930172.41 ppb
2022-04-14Q2211593018ND
2022-04-14Q2211593011ND
2022-04-14Q2211593007ND
2022-04-14Q2211593005ND
2022-04-14Q22115930031.20 ppb
2022-04-14Q2211593009ND
2022-08-11Q22233270011.53 ppb
2022-08-11Q22233270021.08 ppb
2022-11-16Q223454800125.0 ppb
2022-11-16Q22345480061.37 ppb
2022-11-16Q2234548007ND
2023-02-13Q23055860011.93 ppb
2023-02-13Q2305586002ND
2023-06-07Q23214350011.75 ppb
2023-06-07Q2321435002ND
2023-08-01Q233111100630.1 ppb
2023-08-01Q2331111008ND
2023-08-01Q23311110201.80 ppb
2023-08-01Q2331111021ND
2023-10-02Q23421200071.30 ppb
2023-10-02Q2342120009ND
2023-10-02Q2342120011ND
2023-10-02Q2342120013ND
2023-10-02Q23421200331.78 ppb
2023-10-02Q23421200341.30 ppb