Know Your Environment. Protect Your Health.

Bromoform

Telford Borough Authority

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)

28

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20183.72 ppb96ND - 11.2 ppb
20192.76 ppb85ND - 9.45 ppb
20202.69 ppb84ND - 9.40 ppb
20211.90 ppb94ND - 6.00 ppb
20221.37 ppb125ND - 4.90 ppb
20232.32 ppb84ND - 8.77 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
2018-01-1520180218ND
2018-01-15201802172.63 ppb
2018-04-16201814640.548 ppb
2018-04-16201814633.51 ppb
2018-07-1620182708ND
2018-07-16201827076.88 ppb
2018-10-158103930-04REND
2018-10-158103930-03RE11.2 ppb
2018-10-15201839318.70 ppb
2019-01-14201901673.70 ppb
2019-01-1420190168ND
2019-04-1520191418ND
2019-04-15201914172.78 ppb
2019-07-1520192692ND
2019-07-15201926919.45 ppb
2019-10-14201940400.508 ppb
2019-10-14201940395.67 ppb
2020-01-133.16 ppb
2020-01-13ND
2020-04-135.30 ppb
2020-04-13ND
2020-07-13ND
2020-07-139.40 ppb
2020-10-143.67 ppb
2020-10-14ND
2021-01-133.69 ppb
2021-01-13ND
2021-04-143.04 ppb
2021-04-14ND
2021-07-146.00 ppb
2021-07-14ND
2021-07-14ND
2021-10-13ND
2021-10-134.41 ppb
2022-01-122.40 ppb
2022-01-12ND
2022-02-07ND
2022-04-132.10 ppb
2022-04-13ND
2022-04-262.20 ppb
2022-05-12ND
2022-06-06ND
2022-07-134.90 ppb
2022-07-13ND
2022-10-124.80 ppb
2022-10-12ND
2023-01-161.83 ppb
2023-01-16ND
2023-04-122.41 ppb
2023-04-12ND
2023-07-125.54 ppb
2023-07-12ND
2023-10-128.77 ppb
2023-10-12ND