Know Your Environment. Protect Your Health.

Bromoform

Quail Ridge Estates 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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20184.30 ppb444.20 ppb - 4.40 ppb
20190.190 ppb42ND - 0.380 ppb
20200.630 ppb220.540 ppb - 0.720 ppb
20210.340 ppb21ND - 0.680 ppb
2022ND20ND
20230.420 ppb220.420 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
2018-08-01354087180014.40 ppb
2018-08-01354087180024.20 ppb
2018-08-01354087180014.40 ppb
2018-08-01354087180024.20 ppb
2019-08-0735489023001ND
2019-08-07354890230020.380 ppb
2019-08-0735489023001ND
2019-08-07354890230020.380 ppb
2020-08-07355690230010.540 ppb
2020-08-07355690230020.720 ppb
2021-08-0635653763001ND
2021-08-06356537630020.680 ppb
2022-08-1735741539001ND
2022-08-1735741539002ND
2023-08-09358199050010.420 ppb
2023-08-09358199050020.420 ppb