Know Your Environment. Protect Your Health.

Bromoform

North Cherokee Water Supply Corporation

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.

 

54

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND90ND
2019ND90ND
2020ND90ND
2021ND90ND
2022ND90ND
2023ND90ND

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
2018-02-08Q1805473005ND
2018-02-08Q1805473006ND
2018-02-08Q1805473001ND
2018-05-03Q1817977001ND
2018-05-03Q1817977002ND
2018-08-16Q1832892001ND
2018-08-16Q1832892002ND
2018-10-25Q1843098001ND
2018-10-25Q1843098002ND
2019-01-30Q1904614001ND
2019-01-30Q1904614002ND
2019-06-06Q1932706005ND
2019-06-06Q1932706011ND
2019-06-06Q1932706012ND
2019-07-02Q1941675001ND
2019-07-02Q1941675002ND
2019-11-25Q1978273002ND
2019-11-25Q1978273003ND
2020-02-18Q2006064001ND
2020-02-18Q2006064002ND
2020-04-16Q2015088001ND
2020-04-16Q2015088002ND
2020-07-23Q2028987001ND
2020-07-23Q2028987002ND
2020-10-01Q2038627001ND
2020-10-01Q2038627003ND
2020-10-01Q2038627004ND
2021-02-26Q2105148001ND
2021-02-26Q2105148005ND
2021-02-26Q2105148004ND
2021-05-04Q2111274002ND
2021-05-04Q2111274003ND
2021-08-12Q2121672001ND
2021-08-12Q2121672002ND
2021-11-02Q2130686001ND
2021-11-02Q2130686002ND
2022-02-02Q2203975001ND
2022-02-02Q2203975002ND
2022-04-13Q2211382001ND
2022-04-13Q2211382002ND
2022-08-25Q2225373002ND
2022-08-25Q2225373001ND
2022-10-10Q2230470003ND
2022-10-10Q2230470010ND
2022-10-10Q2230470011ND
2023-01-11Q2301812001ND
2023-01-11Q2301812002ND
2023-04-06Q2312899001ND
2023-04-06Q2312899002ND
2023-04-06Q2312899003ND
2023-07-12Q2327359001ND
2023-07-12Q2327359002ND
2023-10-26Q2346262001ND
2023-10-26Q2346262002ND