Know Your Environment. Protect Your Health.

Bromoform

Lane, City of

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

18

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.538 ppb42ND - 1.40 ppb
20190.568 ppb43ND - 1.20 ppb
20201.39 ppb43ND - 2.80 ppb
20210.878 ppb440.690 ppb - 1.10 ppb
20221.22 ppb43ND - 2.90 ppb
20230.775 ppb43ND - 1.80 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
2018-03-149379791.40 ppb
2018-06-109878380.750 ppb
2018-09-181045984ND
2018-12-121090157ND
2019-03-0511320950.520 ppb
2019-06-1111850100.550 ppb
2019-09-021233168ND
2019-12-0312825421.20 ppb
2020-03-031333573ND
2020-06-1514069560.970 ppb
2020-09-2815688162.80 ppb
2020-12-1517124211.80 ppb
2021-03-1617973261.10 ppb
2021-06-0818544360.790 ppb
2021-09-2219659730.690 ppb
2021-12-1220640000.930 ppb
2022-03-1322150420.780 ppb
2022-06-122277381ND
2022-09-2623657692.90 ppb
2022-12-1924183581.20 ppb
2023-03-1224651210.520 ppb
2023-06-1125162620.780 ppb
2023-09-1725770021.80 ppb
2023-12-102624631ND