Know Your Environment. Protect Your Health.

Bromoform

Maxbass, City of

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

16

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.380 ppb42ND - 0.820 ppb
20193.62 ppb41ND - 14.5 ppb
20200.646 ppb54ND - 0.970 ppb
20210.515 ppb43ND - 0.730 ppb
20220.667 ppb32ND - 1.000 ppb
20230.893 ppb440.640 ppb - 1.13 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
2018-01-1618-S390.820 ppb
2018-04-1818-S5750.700 ppb
2018-07-1818-S1190ND
2018-10-1618-S2289ND
2019-01-1519-S46ND
2019-04-1519-S420ND
2019-07-1819-S126514.5 ppb
2019-10-2119-S2344ND
2020-01-14360281ND
2020-04-133630680.970 ppb
2020-07-063683470.930 ppb
2020-10-143723740.760 ppb
2020-12-083741700.570 ppb
2021-01-123759130.630 ppb
2021-04-12378783ND
2021-07-133828960.700 ppb
2021-10-123891100.730 ppb
2022-04-11394224ND
2022-07-113984651.000 ppb
2022-10-034025441.000 ppb
2023-01-114058420.640 ppb
2023-04-104100570.690 ppb
2023-07-114140351.11 ppb
2023-10-104179201.13 ppb