Know Your Environment. Protect Your Health.

Bromoform

Allen County Rural Water District 16

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.

 

37

Samples

0

Samples exceeding legal limit (MCL)

22

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.40 ppb111.40 ppb
2019ND40ND
20200.655 ppb86ND - 1.30 ppb
20210.443 ppb84ND - 1.20 ppb
20224.53 ppb84ND - 17.0 ppb
20231.31 ppb87ND - 2.90 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
2018-07-1010042831.40 ppb
2019-07-161205464ND
2019-07-161205467ND
2019-10-071256528ND
2019-10-071256527ND
2020-01-0612986001.30 ppb
2020-01-0612985991.30 ppb
2020-04-131357175ND
2020-04-131357172ND
2020-07-1314412680.660 ppb
2020-07-1314412670.670 ppb
2020-10-1916071270.640 ppb
2020-10-1916071260.670 ppb
2021-01-2517541621.20 ppb
2021-01-2517541631.10 ppb
2021-04-051812119ND
2021-04-051812117ND
2021-07-121881964ND
2021-07-121881963ND
2021-10-1119892960.670 ppb
2021-10-2520031610.570 ppb
2022-01-0321075441.10 ppb
2022-01-0321075421.10 ppb
2022-04-182239649ND
2022-04-182239650ND
2022-07-042291808ND
2022-07-042291809ND
2022-10-16238096517.0 ppb
2022-10-16238096617.0 ppb
2023-01-1624331931.10 ppb
2023-01-1624331921.10 ppb
2023-04-1724850550.830 ppb
2023-04-1724850540.820 ppb
2023-07-1025341411.80 ppb
2023-07-1025341401.90 ppb
2023-10-1625956922.90 ppb
2023-12-202629200ND