Know Your Environment. Protect Your Health.

Bromoform

Holden Beach, Town of

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.

 

44

Samples

0

Samples exceeding legal limit (MCL)

24

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.967 ppb82ND - 4.07 ppb
20190.998 ppb42ND - 2.86 ppb
2020ND80ND
20214.35 ppb86ND - 9.57 ppb
20223.68 ppb881.30 ppb - 7.30 ppb
20231.58 ppb86ND - 3.55 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
2018-03-0937729_18-092314.07 ppb
2018-03-0937729_18-092303.67 ppb
2018-06-1237729_18-23170ND
2018-06-1237729_18-23169ND
2018-10-0437729_18-41043ND
2018-10-0437729_18-41044ND
2018-12-0537729_18-50874ND
2018-12-0537729_18-50875ND
2019-06-0537729_19-22966ND
2019-06-0537729_19-22967ND
2019-09-1337729_19-393742.86 ppb
2019-09-1337729_19-393751.13 ppb
2020-03-0437729_20-09159ND
2020-03-0437729_20-09160ND
2020-06-0337729_20-22712ND
2020-06-0337729_20-22713ND
2020-09-0237729_20-37989ND
2020-09-0237729_20-37990ND
2020-12-0937729_20-53211ND
2020-12-0937729_20-53212ND
2021-03-1037729_21-10118ND
2021-03-1037729_21-10119ND
2021-06-0237729_21-220392.81 ppb
2021-06-0237729_21-220412.89 ppb
2021-09-0337729_21-383355.20 ppb
2021-09-0337729_21-383365.01 ppb
2021-12-0937729_21-546999.57 ppb
2021-12-0937729_21-547009.32 ppb
2022-03-0337729_22-093142.33 ppb
2022-03-0337729_22-093172.46 ppb
2022-06-0837729_22-255091.56 ppb
2022-06-0837729_22-255101.30 ppb
2022-09-0737729_22-429656.98 ppb
2022-09-0737729_22-429647.30 ppb
2022-12-0837729_22-601653.61 ppb
2022-12-0837729_22-601663.89 ppb
2023-03-1537729_23-131041.54 ppb
2023-03-1537729_23-131071.62 ppb
2023-06-0737729_23-288421.33 ppb
2023-06-0737729_23-288431.34 ppb
2023-09-0637729_23-49337ND
2023-09-0637729_23-49338ND
2023-12-1337729_23-706843.55 ppb
2023-12-1337729_23-706893.25 ppb