Know Your Environment. Protect Your Health.

Bromoform

St Bernard Parish Waterworks

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.

 

128

Samples

0

Samples exceeding legal limit (MCL)

10

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND320ND
2019ND320ND
2020ND160ND
2021ND160ND
20220.127 ppb164ND - 0.570 ppb
20230.889 ppb168ND - 3.50 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
2018-02-0235371881001ND
2018-02-0235371881002ND
2018-02-0235371881003ND
2018-02-0235371881004ND
2018-02-0235371881001ND
2018-02-0235371881002ND
2018-02-0235371881003ND
2018-02-0235371881004ND
2018-05-1735393024001ND
2018-05-1735393024002ND
2018-05-1735393024003ND
2018-05-1735393024004ND
2018-05-1735393024001ND
2018-05-1735393024002ND
2018-05-1735393024003ND
2018-05-1735393024004ND
2018-08-0835409845001ND
2018-08-0835409845002ND
2018-08-0835409845003ND
2018-08-0835409845004ND
2018-08-0835409845001ND
2018-08-0835409845002ND
2018-08-0835409845003ND
2018-08-0835409845004ND
2018-11-1535431696001ND
2018-11-1535431696002ND
2018-11-1535431696003ND
2018-11-1535431696004ND
2018-11-1535431696001ND
2018-11-1535431696002ND
2018-11-1535431696003ND
2018-11-1535431696004ND
2019-02-2135450025001ND
2019-02-2135450025002ND
2019-02-2135450025003ND
2019-02-2135450025004ND
2019-02-2135450025001ND
2019-02-2135450025002ND
2019-02-2135450025003ND
2019-02-2135450025004ND
2019-05-1035467865001ND
2019-05-1035467865002ND
2019-05-1035467865003ND
2019-05-1035467865004ND
2019-05-1035467865001ND
2019-05-1035467865002ND
2019-05-1035467865003ND
2019-05-1035467865004ND
2019-08-1335490047001ND
2019-08-1335490047002ND
2019-08-1335490047003ND
2019-08-1335490047004ND
2019-08-1335490047001ND
2019-08-1335490047002ND
2019-08-1335490047003ND
2019-08-1335490047004ND
2019-11-1435512855001ND
2019-11-1435512855002ND
2019-11-1435512855003ND
2019-11-1435512855004ND
2019-11-1435512855001ND
2019-11-1435512855002ND
2019-11-1435512855003ND
2019-11-1435512855004ND
2020-02-2135533044001ND
2020-02-2135533044002ND
2020-02-2135533044003ND
2020-02-2135533044004ND
2020-05-0835548863001ND
2020-05-0835548863002ND
2020-05-0835548863003ND
2020-05-0835548863004ND
2020-08-1335572259001ND
2020-08-1335572259002ND
2020-08-1335572259003ND
2020-08-1335572259004ND
2020-11-0635590485001ND
2020-11-0635590485002ND
2020-11-0635590485003ND
2020-11-0635590485004ND
2021-02-1935613606001ND
2021-02-1935613606002ND
2021-02-1935613606003ND
2021-02-1935613606004ND
2021-05-0635631704001ND
2021-05-0635631704002ND
2021-05-0635631704003ND
2021-05-0635631704004ND
2021-08-1235655692001ND
2021-08-1235655692002ND
2021-08-1235655692003ND
2021-08-1235655692004ND
2021-11-0435677155001ND
2021-11-0435677155002ND
2021-11-0435677155003ND
2021-11-0435677155004ND
2022-02-1635698069001ND
2022-02-1635698069002ND
2022-02-1635698069003ND
2022-02-1635698069004ND
2022-05-1935719224001ND
2022-05-1935719224002ND
2022-05-1935719224003ND
2022-05-1935719224004ND
2022-08-2535742710001ND
2022-08-2535742710002ND
2022-08-2535742710003ND
2022-08-2535742710004ND
2022-11-21357615790010.490 ppb
2022-11-21357615790020.430 ppb
2022-11-21357615790030.570 ppb
2022-11-21357615790040.540 ppb
2023-02-0235776764001ND
2023-02-0235776764002ND
2023-02-0235776764003ND
2023-02-0235776764004ND
2023-05-1035798909001ND
2023-05-1035798909002ND
2023-05-1035798909003ND
2023-05-1035798909004ND
2023-08-16358214290010.750 ppb
2023-08-16358214290020.640 ppb
2023-08-16358214290030.700 ppb
2023-08-16358214290040.740 ppb
2023-11-02358389970013.10 ppb
2023-11-02358389970023.50 ppb
2023-11-02358389970032.60 ppb
2023-11-02358389970042.20 ppb