Know Your Environment. Protect Your Health.

Bromoform

Tbcd West Treatment Plant

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)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.267 ppb92ND - 1.20 ppb
2019ND90ND
20200.500 ppb92ND - 2.90 ppb
2021ND90ND
20220.311 ppb92ND - 1.50 ppb
20230.167 ppb91ND - 1.50 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
2018-01-23AE09845ND
2018-01-23AE09843ND
2018-04-10AE21872ND
2018-04-10AE21869ND
2018-08-01AE352411.20 ppb
2018-08-01AE352421.20 ppb
2018-08-01AE35331ND
2018-10-22AE44098ND
2018-10-22AE44099ND
2019-01-30AE52188ND
2019-01-30AE52189ND
2019-05-30AE68566ND
2019-05-30AE68579ND
2019-08-05AE77065ND
2019-08-05AE76990ND
2019-08-05AE76989ND
2019-11-05AE88435ND
2019-11-05AE88438ND
2020-01-14AE93415ND
2020-01-14AE93418ND
2020-04-07AF05843ND
2020-04-07AF05846ND
2020-09-24AF28410ND
2020-09-24AF28412ND
2020-09-24AF28449ND
2020-11-16AF345552.90 ppb
2020-11-16AF345651.60 ppb
2021-03-23AF47839ND
2021-03-23AF47840ND
2021-04-13AF50085ND
2021-04-13AF50088ND
2021-07-06AF60923ND
2021-07-06AF60927ND
2021-07-06AF60988ND
2021-10-06AF72405ND
2021-10-06AF72406ND
2022-03-22AF89992ND
2022-03-22AF89993ND
2022-04-07AF92411ND
2022-04-07AF92414ND
2022-08-09AG08544ND
2022-08-09AG08628ND
2022-08-09AG08537ND
2022-11-22AG196171.50 ppb
2022-11-22AG196211.30 ppb
2023-01-26AG26444ND
2023-01-26AG26445ND
2023-04-18AG37051ND
2023-04-18AG37052ND
2023-08-24AG53976ND
2023-08-24AG53979ND
2023-08-24AG54008ND
2023-10-03AG58236ND
2023-10-03AG582391.50 ppb