Know Your Environment. Protect Your Health.

Bromoform

Trophy Club Municipal Utility District 1

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.

 

54

Samples

0

Samples exceeding legal limit (MCL)

42

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20183.55 ppb97ND - 10.00 ppb
20193.67 ppb991.10 ppb - 11.4 ppb
20200.980 ppb95ND - 3.45 ppb
20211.64 ppb95ND - 6.09 ppb
20224.75 ppb991.72 ppb - 9.70 ppb
20233.60 ppb97ND - 12.2 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
2018-01-08Q18005620029.39 ppb
2018-01-08Q180056200110.00 ppb
2018-04-11Q1815187002ND
2018-04-11Q1815187003ND
2018-04-11Q18151870061.70 ppb
2018-07-16Q18281970012.04 ppb
2018-07-16Q18281970021.89 ppb
2018-10-17Q18417470013.01 ppb
2018-10-17Q18417470023.94 ppb
2019-02-06Q19056140012.23 ppb
2019-02-06Q19056140022.97 ppb
2019-04-18Q19157180028.56 ppb
2019-04-18Q19157180032.38 ppb
2019-04-18Q191571800611.4 ppb
2019-07-29Q19497700011.10 ppb
2019-07-29Q19497700021.12 ppb
2019-10-21Q19734660011.68 ppb
2019-10-21Q19734660021.57 ppb
2020-02-03Q20045030011.92 ppb
2020-02-03Q20045030023.45 ppb
2020-05-12Q2018406005ND
2020-05-12Q2018406010ND
2020-05-12Q2018406011ND
2020-09-09Q20359760011.26 ppb
2020-09-09Q20359760021.05 ppb
2020-11-16Q2045210001ND
2020-11-16Q20452100021.14 ppb
2021-01-27Q21020380022.50 ppb
2021-01-27Q2102038004ND
2021-01-27Q21020380033.22 ppb
2021-05-20Q21132410011.73 ppb
2021-05-20Q21132410026.09 ppb
2021-07-19Q2118848001ND
2021-07-19Q2118848002ND
2021-10-21Q2129765001ND
2021-10-21Q21297650021.19 ppb
2022-02-17Q22059640021.72 ppb
2022-02-17Q22059640053.19 ppb
2022-02-17Q22059640063.65 ppb
2022-04-25Q22123310015.95 ppb
2022-04-25Q22123310024.50 ppb
2022-09-12Q22269800012.35 ppb
2022-09-12Q22269800022.62 ppb
2022-11-15Q22342770019.70 ppb
2022-11-15Q22342770029.09 ppb
2023-01-26Q23037440019.58 ppb
2023-01-26Q230374400212.2 ppb
2023-04-24Q2315256003ND
2023-04-24Q23152560092.05 ppb
2023-04-24Q23152560102.80 ppb
2023-07-03Q2326093001ND
2023-07-03Q23260930021.81 ppb
2023-10-25Q23460530011.53 ppb
2023-10-25Q23460530022.46 ppb