Know Your Environment. Protect Your Health.

Bromoform

Western Allegheny County Mun A

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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

35

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.261 ppb164ND - 1.60 ppb
20190.440 ppb167ND - 1.40 ppb
20200.974 ppb168ND - 3.00 ppb
20210.685 ppb168ND - 2.28 ppb
20220.0559 ppb161ND - 0.894 ppb
20230.487 ppb167ND - 1.55 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
2018-02-1402181715ND
2018-02-1402181714ND
2018-02-1402181712ND
2018-02-1402181713ND
2018-05-1518E1306-03ND
2018-05-1518E1306-01ND
2018-05-1518E1306-04ND
2018-05-1518E1306-02ND
2018-08-1418H0527-030.784 ppb
2018-08-1418H0527-011.60 ppb
2018-08-1418H0527-041.17 ppb
2018-08-1418H0527-020.625 ppb
2018-11-1418K1387-02ND
2018-11-1418K1387-03ND
2018-11-1418K1387-04ND
2018-11-1418K1387-01ND
2019-02-1319B0577-02ND
2019-02-1319B0577-04ND
2019-02-1319B0577-03ND
2019-02-1319B0577-01ND
2019-05-1419E0304-03ND
2019-05-1419E0304-02ND
2019-05-1419E0304-01ND
2019-05-1419E0304-04ND
2019-08-1319H0345-010.879 ppb
2019-08-1319H0345-030.830 ppb
2019-08-1319H0345-020.880 ppb
2019-08-1319H0345-040.727 ppb
2019-11-1219K0332-041.21 ppb
2019-11-1219K0332-031.40 ppb
2019-11-1219K0332-02ND
2019-11-1219K0332-011.12 ppb
2020-02-13ND
2020-02-13ND
2020-02-13ND
2020-02-13ND
2020-05-14ND
2020-05-14ND
2020-05-14ND
2020-05-14ND
2020-08-131.56 ppb
2020-08-131.69 ppb
2020-08-131.48 ppb
2020-08-132.12 ppb
2020-11-122.40 ppb
2020-11-121.82 ppb
2020-11-121.52 ppb
2020-11-123.00 ppb
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-05-13ND
2021-05-13ND
2021-05-13ND
2021-05-13ND
2021-08-122.28 ppb
2021-08-121.46 ppb
2021-08-121.94 ppb
2021-08-122.02 ppb
2021-11-110.663 ppb
2021-11-110.910 ppb
2021-11-110.999 ppb
2021-11-120.685 ppb
2022-02-15ND
2022-02-15ND
2022-02-15ND
2022-02-15ND
2022-05-17ND
2022-05-17ND
2022-05-17ND
2022-05-17ND
2022-08-16ND
2022-08-16ND
2022-08-16ND
2022-08-16ND
2022-11-15ND
2022-11-150.894 ppb
2022-11-15ND
2022-11-15ND
2023-02-15ND
2023-02-15ND
2023-02-15ND
2023-02-15ND
2023-05-16ND
2023-05-16ND
2023-05-16ND
2023-05-16ND
2023-08-151.51 ppb
2023-08-151.41 ppb
2023-08-151.55 ppb
2023-08-151.51 ppb
2023-11-140.673 ppb
2023-11-14ND
2023-11-140.541 ppb
2023-11-140.595 ppb