Know Your Environment. Protect Your Health.

Bromoform

Erie, 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)

13

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.650 ppb41ND - 2.60 ppb
20190.420 ppb42ND - 0.880 ppb
20200.425 ppb41ND - 1.70 ppb
20210.953 ppb43ND - 2.30 ppb
20221.02 ppb42ND - 3.20 ppb
20230.843 ppb440.630 ppb - 1.10 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
2018-03-05931274ND
2018-06-259939862.60 ppb
2018-09-101041928ND
2018-12-031084524ND
2019-03-111135275ND
2019-06-171188298ND
2019-09-0912393040.800 ppb
2019-12-0912856220.880 ppb
2020-03-091339183ND
2020-06-2214135221.70 ppb
2020-09-081517739ND
2020-12-071702706ND
2021-03-0817894720.730 ppb
2021-07-061875259ND
2021-09-0719492160.780 ppb
2021-12-0720566892.30 ppb
2022-03-0722120430.870 ppb
2022-06-202283755ND
2022-09-1223574273.20 ppb
2022-12-052411633ND
2023-03-2824728660.630 ppb
2023-07-1825401000.940 ppb
2023-09-1125744071.10 ppb
2023-12-0426201580.700 ppb