Know Your Environment. Protect Your Health.

Bromoform

Cape Vincent Town Water District 1 & 5

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)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.175 ppb41ND - 0.700 ppb
20190.183 ppb62ND - 0.600 ppb
20200.350 ppb42ND - 0.800 ppb
20210.200 ppb31ND - 0.600 ppb
20221.20 ppb32ND - 3.00 ppb
20230.138 ppb41ND - 0.550 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
2018-02-14180216051-004ND
2018-05-09180510035-004ND
2018-08-15180816040-004ND
2018-11-13181114035-0040.700 ppb
2019-02-15190219027-0040.600 ppb
2019-05-07190508035-001ND
2019-05-07190508035-002ND
2019-08-06190807026-004ND
2019-08-06190807026-0030.500 ppb
2019-11-15191121078-004ND
2020-02-20200221038-004ND
2020-05-14200515022-004ND
2020-08-03200805129-0040.800 ppb
2020-11-06201111047-0040.600 ppb
2021-02-10210212033-004ND
2021-05-10210511066-0040.600 ppb
2021-11-17211119078-004ND
2022-02-08220211038-0040.600 ppb
2022-05-16220518049-004ND
2022-07-20220722077-0043.00 ppb
2023-02-02230203012-004ND
2023-05-01L2344891-010.550 ppb
2023-05-03230505023-004ND
2023-11-07L2366813ND