Know Your Environment. Protect Your Health.

Bromoform

Pardeeville Waterworks

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
20200.125 ppb41ND - 0.500 ppb
20210.370 ppb110.370 ppb
2022ND10ND
20230.168 ppb41ND - 0.670 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
2018-07-231068987ND
2019-09-031144963ND
2020-05-20421557ND
2020-05-20421560ND
2020-05-20421565ND
2020-08-054572100.500 ppb
2021-09-0110442770.370 ppb
2022-07-201165784ND
2023-03-221302667ND
2023-03-221302663ND
2023-03-221302669ND
2023-07-1913505660.670 ppb