Know Your Environment. Protect Your Health.

Bromoform

Crawford County Rural Water District 1c

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)

17

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.577 ppb32ND - 1.10 ppb
20190.760 ppb43ND - 1.30 ppb
20201.15 ppb440.540 ppb - 1.90 ppb
20211.06 ppb43ND - 3.10 ppb
20221.16 ppb42ND - 4.00 ppb
20234.30 ppb440.890 ppb - 12.0 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
2018-01-29907998ND
2018-07-1010042841.10 ppb
2018-10-1610619980.630 ppb
2019-01-141106002ND
2019-04-2911391740.840 ppb
2019-07-3012139761.30 ppb
2019-10-2812663260.900 ppb
2020-01-2113130910.550 ppb
2020-04-0613514670.540 ppb
2020-07-2114534511.90 ppb
2020-10-2516156961.60 ppb
2021-01-241753085ND
2021-04-2718265820.650 ppb
2021-08-2319289403.10 ppb
2021-11-2820398280.500 ppb
2022-01-3021790000.630 ppb
2022-04-042231379ND
2022-07-1023000484.00 ppb
2022-10-232383929ND
2023-01-2324363950.890 ppb
2023-04-2624894001.90 ppb
2023-07-26254458812.0 ppb
2023-11-1526115432.40 ppb