Know Your Environment. Protect Your Health.

Bromoform

Sterling 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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
20210.615 ppb220.520 ppb - 0.710 ppb
20220.335 ppb21ND - 0.670 ppb
2023ND20ND

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
2018-04-19CA22798VOC1ND
2018-08-27CB19162ND
2019-10-07CE28081ND
2019-10-08CE29258ND
2020-08-24CG60063ND
2020-08-24CG60064ND
2021-07-07CI687160.710 ppb
2021-08-26CJ143010.520 ppb
2022-08-31CM189400.670 ppb
2022-08-31CM18941ND
2023-08-11CO72770ND
2023-08-11CO72771ND