Know Your Environment. Protect Your Health.

Bromoform

The Village of Bald Head Island

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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.832 ppb42ND - 1.84 ppb
20191.55 ppb21ND - 3.09 ppb
2020ND70ND
20210.469 ppb41ND - 1.87 ppb
20220.312 ppb41ND - 1.25 ppb
20230.453 ppb41ND - 1.81 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
2018-03-1937729_18-108121.84 ppb
2018-06-2037729_18-249381.49 ppb
2018-09-2837729_18-40103ND
2018-12-1737729_18-52583ND
2019-06-1137729_19-23762ND
2019-09-1037729_19-386083.09 ppb
2020-03-0437729_20-09323ND
2020-03-0437729_20-09324ND
2020-06-0937729_20-23641ND
2020-06-0937729_20-23642ND
2020-09-2337729_20-41556ND
2020-09-2337729_20-41557ND
2020-12-1537729_20-53871ND
2021-03-1637729_21-11158ND
2021-06-2237729_21-254591.87 ppb
2021-09-0937729_21-39340ND
2021-12-2837729_21-57364ND
2022-03-2937729_22-13567ND
2022-06-1537729_22-27063ND
2022-09-2737729_22-46923ND
2022-12-1437729_22-610711.25 ppb
2023-03-1437729_23-12609ND
2023-06-1437729_23-30388ND
2023-09-2037729_23-53225ND
2023-12-2037729_23-721241.81 ppb