Know Your Environment. Protect Your Health.

Bromoform

Pontchatoula 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)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.320 ppb42ND - 0.640 ppb
2019ND40ND
20200.250 ppb21ND - 0.500 ppb
2021ND20ND
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
2018-07-06354027780010.640 ppb
2018-07-0635402778002ND
2018-07-06354027780010.640 ppb
2018-07-0635402778002ND
2019-07-1135482024003ND
2019-07-1135482024004ND
2019-07-1135482024003ND
2019-07-1135482024004ND
2020-07-1735564220001ND
2020-07-17355642200020.500 ppb
2021-07-0135644899001ND
2021-07-0135644899002ND
2022-07-12357316280010.670 ppb
2022-07-1235731628002ND
2023-07-1235812988001ND
2023-07-1235812988002ND