Know Your Environment. Protect Your Health.

Bromoform

Wilson County Rural Water District 12

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
20181.60 ppb43ND - 3.00 ppb
20190.135 ppb41ND - 0.540 ppb
20201.13 ppb42ND - 3.60 ppb
2021ND40ND
20221.88 ppb43ND - 3.80 ppb
202311.7 ppb440.580 ppb - 30.0 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
2018-02-259081903.00 ppb
2018-05-209733331.000 ppb
2018-08-2110305262.40 ppb
2018-11-121077217ND
2019-01-281111090ND
2019-05-191157845ND
2019-08-191226248ND
2019-11-1212748170.540 ppb
2020-02-171327515ND
2020-05-1713792740.920 ppb
2020-08-171497888ND
2020-12-0817053603.60 ppb
2021-02-231779986ND
2021-05-231845882ND
2021-11-292041606ND
2021-11-292041607ND
2022-02-2222006353.80 ppb
2022-05-172260814ND
2022-08-2323417581.80 ppb
2022-11-2824048151.90 ppb
2023-02-19245408130.0 ppb
2023-05-2325057010.580 ppb
2023-08-20256145114.0 ppb
2023-12-0526200582.10 ppb