Know Your Environment. Protect Your Health.

Bromoform

Allen County Rural Water District 13

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.

 

41

Samples

0

Samples exceeding legal limit (MCL)

15

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
20190.300 ppb82ND - 1.20 ppb
20201.94 ppb85ND - 6.30 ppb
20210.134 ppb82ND - 0.540 ppb
20220.528 ppb84ND - 1.60 ppb
20230.153 ppb82ND - 0.630 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
2018-07-111004287ND
2019-01-081103468ND
2019-01-081103469ND
2019-04-2211578461.20 ppb
2019-04-2211578471.20 ppb
2019-07-291212055ND
2019-07-291212056ND
2019-10-151259678ND
2019-10-151259677ND
2020-01-1413097451.20 ppb
2020-01-1413097461.30 ppb
2020-04-151357676ND
2020-04-2713626610.550 ppb
2020-07-1314394806.20 ppb
2020-07-1314394776.30 ppb
2020-10-041582233ND
2020-10-041582232ND
2021-01-101739295ND
2021-01-101739294ND
2021-04-2818166090.540 ppb
2021-04-2818166100.530 ppb
2021-07-111880392ND
2021-07-111880391ND
2021-10-041978098ND
2021-10-041978099ND
2022-01-0221023220.620 ppb
2022-01-0221023230.600 ppb
2022-04-182239227ND
2022-04-182239226ND
2022-07-042295016ND
2022-07-042295017ND
2022-10-0623772841.60 ppb
2022-10-0623772851.40 ppb
2023-01-232437026ND
2023-01-232437027ND
2023-04-032477883ND
2023-04-032477884ND
2023-07-092532872ND
2023-07-092532873ND
2023-10-0825895380.630 ppb
2023-10-0825895390.590 ppb