Know Your Environment. Protect Your Health.

Bromoform

Town North Village Water System

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

10

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20184.88 ppb223.28 ppb - 6.48 ppb
20197.53 ppb335.43 ppb - 10.4 ppb
202012.0 ppb1112.0 ppb
20211.50 ppb21ND - 2.99 ppb
20221.52 ppb31ND - 4.55 ppb
20238.07 ppb228.03 ppb - 8.10 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
2018-05-09Q18190910053.28 ppb
2018-05-09Q18190910136.48 ppb
2019-06-05Q19324480056.76 ppb
2019-06-05Q19324480075.43 ppb
2019-06-05Q193244801410.4 ppb
2020-03-19Q201206400112.0 ppb
2021-06-03Q2114439003ND
2021-08-10Q21211740052.99 ppb
2022-01-31Q22034350034.55 ppb
2022-01-31Q2203435005ND
2022-07-18Q2220650007ND
2023-02-22Q23074530048.10 ppb
2023-02-22Q23074530078.03 ppb