Know Your Environment. Protect Your Health.

Bromoform

Alexandria Town Water District #2 - Redwood

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)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
20200.225 ppb41ND - 0.900 ppb
2021ND40ND
2022ND30ND
20230.148 ppb41ND - 0.590 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
2018-02-15180216043-002ND
2018-05-10180511024-001ND
2018-08-09180810030-002ND
2018-11-08181109012-002ND
2019-02-07190208032-001ND
2019-05-09190510041-001ND
2019-08-08190809054-001ND
2019-11-07191108043-001ND
2020-02-06200212023-001ND
2020-05-07200508023-002ND
2020-08-26200828031 -0030.900 ppb
2020-11-19201120035-002ND
2021-02-18210219039-002ND
2021-05-17210519074-002ND
2021-08-11210813079-003ND
2021-11-24211130027-002ND
2022-02-17220222070-002ND
2022-05-10220512036-001ND
2022-08-03220805038-001ND
2023-02-1023021149-001ND
2023-05-18230519029-001ND
2023-08-04702664000010.590 ppb
2023-11-07L2366806-02ND