Know Your Environment. Protect Your Health.

Bromoform

City of Aubrey

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

18

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.612 ppb62ND - 2.67 ppb
20190.197 ppb61ND - 1.18 ppb
20200.799 ppb73ND - 3.03 ppb
20210.412 ppb62ND - 1.47 ppb
20220.635 ppb62ND - 1.97 ppb
20231.38 ppb98ND - 2.43 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
2018-03-15Q1810837004ND
2018-03-15Q1810837006ND
2018-03-15Q1810837008ND
2018-03-15Q1810837002ND
2018-07-10Q18274570012.67 ppb
2018-07-10Q18274570021.000 ppb
2019-05-15Q19262330151.18 ppb
2019-05-15Q1926233014ND
2019-05-15Q1926233007ND
2019-05-15Q1926233005ND
2019-05-15Q1926233003ND
2019-05-15Q1926233001ND
2020-03-26Q2012850003ND
2020-05-18Q20196510011.02 ppb
2020-05-18Q20196510033.03 ppb
2020-05-18Q20196510041.54 ppb
2020-10-05Q2038828008ND
2020-10-05Q2038828010ND
2020-10-05Q2038828012ND
2021-07-01Q2117370012ND
2021-07-01Q21173700211.47 ppb
2021-07-01Q2117370018ND
2021-07-01Q21173700141.000 ppb
2021-07-01Q2117370011ND
2021-07-01Q2117370016ND
2022-08-24Q22252000011.84 ppb
2022-08-24Q22252000021.97 ppb
2022-10-13Q2231065002ND
2022-10-13Q2231065004ND
2022-10-13Q2231065006ND
2022-10-13Q2231065008ND
2023-04-11Q23133000121.27 ppb
2023-09-26Q23412710061.48 ppb
2023-09-26Q23412710081.26 ppb
2023-09-26Q2341271010ND
2023-09-26Q23412710121.20 ppb
2023-09-26Q23412710341.56 ppb
2023-09-26Q23412710351.60 ppb
2023-09-26Q23412710372.43 ppb
2023-11-14Q23487520051.60 ppb