Know Your Environment. Protect Your Health.

Bromoform

Leicester Water Supply District

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.

 

59

Samples

0

Samples exceeding legal limit (MCL)

43

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.43 ppb881.60 ppb - 4.40 ppb
20190.914 ppb1612ND - 2.46 ppb
20201.09 ppb85ND - 2.63 ppb
20210.644 ppb74ND - 1.58 ppb
20221.06 ppb85ND - 3.20 ppb
20231.35 ppb129ND - 5.78 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 Result
2018-02-131.60 ppb
2018-02-131.60 ppb
2018-05-091.80 ppb
2018-05-091.80 ppb
2018-08-144.40 ppb
2018-08-144.40 ppb
2018-11-131.90 ppb
2018-11-131.90 ppb
2019-02-120.910 ppb
2019-02-120.910 ppb
2019-05-141.54 ppb
2019-05-141.54 ppb
2019-05-28ND
2019-05-280.610 ppb
2019-05-280.610 ppb
2019-05-280.680 ppb
2019-05-280.680 ppb
2019-05-28ND
2019-05-28ND
2019-05-28ND
2019-08-132.46 ppb
2019-08-132.46 ppb
2019-11-121.11 ppb
2019-11-121.11 ppb
2020-02-111.40 ppb
2020-05-121.77 ppb
2020-06-240.900 ppb
2020-06-24ND
2020-06-24ND
2020-06-24ND
2020-08-112.63 ppb
2020-11-101.99 ppb
2021-02-091.17 ppb
2021-05-111.23 ppb
2021-06-16ND
2021-06-16ND
2021-06-16ND
2021-06-160.530 ppb
2021-08-101.58 ppb
2022-02-110.620 ppb
2022-05-101.04 ppb
2022-05-12ND
2022-05-12ND
2022-05-12ND
2022-05-121.28 ppb
2022-08-093.20 ppb
2022-11-302.36 ppb
2023-02-140.960 ppb
2023-02-141.26 ppb
2023-05-090.710 ppb
2023-05-091.06 ppb
2023-05-100.590 ppb
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-08-080.820 ppb
2023-08-083.41 ppb
2023-11-141.61 ppb
2023-11-145.78 ppb