Know Your Environment. Protect Your Health.

Bromoform

Navarro Mills 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.

 

55

Samples

0

Samples exceeding legal limit (MCL)

23

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.31 ppb108ND - 3.28 ppb
20194.57 ppb92ND - 21.1 ppb
20200.117 ppb91ND - 1.05 ppb
20215.21 ppb93ND - 41.5 ppb
20221.26 ppb94ND - 3.68 ppb
20230.849 ppb95ND - 2.78 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
2018-01-31Q18037180053.28 ppb
2018-01-31Q1803718002ND
2018-01-31Q18037180061.16 ppb
2018-04-17Q18155840021.03 ppb
2018-04-17Q18155840091.30 ppb
2018-04-17Q18155840101.08 ppb
2018-07-19Q18287980021.63 ppb
2018-07-19Q18287980031.76 ppb
2018-10-23Q18427710021.87 ppb
2018-10-23Q1842771003ND
2019-02-06Q1905806003ND
2019-02-06Q1905806005ND
2019-02-06Q1905806007ND
2019-04-18Q1915792003ND
2019-04-18Q1915792001ND
2019-07-31Q194940200221.1 ppb
2019-07-31Q194940200320.0 ppb
2019-10-17Q1972995002ND
2019-10-17Q1972995003ND
2020-01-29Q2003552001ND
2020-01-29Q2003552006ND
2020-01-29Q20035520071.05 ppb
2020-04-14Q2014705002ND
2020-04-14Q2014705003ND
2020-07-21Q2028410002ND
2020-07-21Q2028410003ND
2020-10-23Q2041396003ND
2020-10-23Q2041396002ND
2021-01-12Q2100675005ND
2021-01-12Q21006750121.05 ppb
2021-01-12Q2100675013ND
2021-04-12Q2109261002ND
2021-04-12Q2109261003ND
2021-07-08Q211792600141.5 ppb
2021-07-08Q2117926002ND
2021-10-11Q21280820024.30 ppb
2021-10-11Q2128082003ND
2022-03-10Q2208301002ND
2022-03-10Q2208301003ND
2022-04-14Q2211616005ND
2022-04-14Q2211616004ND
2022-04-14Q2211616003ND
2022-08-23Q22249930012.40 ppb
2022-08-23Q22249930031.79 ppb
2022-11-15Q22343120023.68 ppb
2022-11-15Q22343120033.48 ppb
2023-02-15Q23062960032.78 ppb
2023-02-15Q23062960041.05 ppb
2023-02-15Q2306296005ND
2023-06-19Q2323093002ND
2023-06-19Q2323093003ND
2023-09-06Q23384310021.16 ppb
2023-09-06Q23384310031.53 ppb
2023-10-31Q2346546002ND
2023-10-31Q23465460031.12 ppb