Know Your Environment. Protect Your Health.

Bromoform

Moran, 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)

13

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.980 ppb43ND - 2.70 ppb
2019ND40ND
20200.488 ppb43ND - 0.680 ppb
20210.393 ppb42ND - 0.940 ppb
20226.75 ppb42ND - 26.0 ppb
20231.59 ppb440.850 ppb - 2.80 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
2018-01-169076930.500 ppb
2018-04-15938008ND
2018-07-1510062700.720 ppb
2018-10-1410605762.70 ppb
2019-01-141105937ND
2019-04-221138781ND
2019-07-221208594ND
2019-10-141259673ND
2020-01-1313097410.600 ppb
2020-04-201359991ND
2020-07-1314411620.670 ppb
2020-10-1916071250.680 ppb
2021-01-1817479380.940 ppb
2021-04-191821120ND
2021-07-121882247ND
2021-10-1119892930.630 ppb
2022-01-1021333071.000 ppb
2022-04-112235623ND
2022-07-182307269ND
2022-10-10237727926.0 ppb
2023-01-2324366011.20 ppb
2023-04-1024813430.850 ppb
2023-07-2425433611.50 ppb
2023-10-1625956912.80 ppb