Know Your Environment. Protect Your Health.

Bromoform

Clarendon Town WDS

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

11

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.308 ppb42ND - 0.700 ppb
20190.378 ppb42ND - 0.880 ppb
20200.267 ppb31ND - 0.800 ppb
20210.553 ppb42ND - 1.40 ppb
20220.450 ppb42ND - 0.900 ppb
20230.410 ppb43ND - 0.700 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
2018-02-2018P002575ND
2018-05-1518P007114ND
2018-08-2118P0139440.700 ppb
2018-11-2618P0198660.530 ppb
2019-02-2019P002456ND
2019-05-1519P006215ND
2019-08-0719P0113670.880 ppb
2019-11-2019P0179620.630 ppb
2020-02-1920P002644ND
2020-05-2020P010556ND
2020-08-1820P0286070.800 ppb
2021-02-1721P002292ND
2021-05-1921P005456ND
2021-08-2021P0091020.810 ppb
2021-11-1721P0114321.40 ppb
2022-02-1522P0009260.900 ppb
2022-05-1822P002759ND
2022-08-1722P005622ND
2022-11-0422P0079730.900 ppb
2023-02-222302231-0010.330 ppb
2023-05-1823P002832ND
2023-08-1623P0060360.610 ppb
2023-11-1523P0086660.700 ppb