Know Your Environment. Protect Your Health.

Bromoform

Chimney Hill Municipal Utility District

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.

 

52

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.300 ppb92ND - 1.70 ppb
20190.133 ppb91ND - 1.20 ppb
20200.111 ppb91ND - 1.000 ppb
2021ND90ND
2022ND70ND
20230.333 ppb91ND - 3.00 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
2018-02-05AE12175ND
2018-02-05AE12165ND
2018-04-17AE22758ND
2018-04-17AE22797ND
2018-04-17AE22755ND
2018-08-22AE380751.000 ppb
2018-08-22AE380761.70 ppb
2018-12-04AE47769ND
2018-12-04AE47773ND
2019-02-13AE54293ND
2019-02-13AE54294ND
2019-02-13AE54369ND
2019-05-22AE67615ND
2019-05-22AE67616ND
2019-09-24AE84619ND
2019-09-24AE84620ND
2019-12-03AE91004ND
2019-12-03AE910051.20 ppb
2020-02-06AE97305ND
2020-02-06AE97306ND
2020-04-29AF08686ND
2020-04-29AF08687ND
2020-04-29AF08721ND
2020-09-16AF27528ND
2020-09-16AF275301.000 ppb
2020-10-29AF32603ND
2020-10-29AF32598ND
2021-02-09AF43243ND
2021-02-09AF43245ND
2021-02-09AF43277ND
2021-04-20AF50713ND
2021-04-20AF50714ND
2021-08-11AF65858ND
2021-08-11AF65860ND
2021-11-12AF76589ND
2021-11-12AF76591ND
2022-02-14AF84550ND
2022-02-14AF84555ND
2022-02-14AF84626ND
2022-05-19AF97691ND
2022-05-19AF97693ND
2022-07-29AG07038ND
2022-07-29AG07039ND
2023-02-02AG27141ND
2023-02-02AG27150ND
2023-04-27AG38396ND
2023-04-27AG38397ND
2023-04-27AG38462ND
2023-08-24AG53951ND
2023-08-24AG53956ND
2023-10-05AG585873.00 ppb
2023-10-05AG58592ND