Know Your Environment. Protect Your Health.

Bromoform

Southport, City 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.

 

43

Samples

0

Samples exceeding legal limit (MCL)

17

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.314 ppb41ND - 1.25 ppb
2019ND60ND
2020ND80ND
20212.11 ppb86ND - 5.32 ppb
20222.40 ppb85ND - 6.02 ppb
20231.30 ppb95ND - 2.81 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
2018-03-0737729_18-08768ND
2018-03-0737729_18-087671.25 ppb
2018-06-2037729_18-24958ND
2018-06-2037729_18-24957ND
2019-06-0637729_19-23380ND
2019-06-0637729_19-23381ND
2019-07-0337729_19-27915ND
2019-07-0337729_19-27916ND
2019-09-0437729_19-38175ND
2019-09-0437729_19-38177ND
2020-03-0337729_20-08800ND
2020-03-0337729_20-08798ND
2020-06-0337729_20-22734ND
2020-06-0337729_20-22735ND
2020-09-0337729_20-38311ND
2020-09-0337729_20-38312ND
2020-12-0837729_20-52776ND
2020-12-0837729_20-52777ND
2021-03-0537729_21-09279ND
2021-03-0537729_21-09280ND
2021-06-0237729_21-220531.44 ppb
2021-06-0237729_21-220521.34 ppb
2021-09-0137729_21-378733.10 ppb
2021-09-0137729_21-378775.32 ppb
2021-12-0237729_21-533732.22 ppb
2021-12-0237729_21-533743.44 ppb
2022-03-0437729_22-09659ND
2022-03-0437729_22-09660ND
2022-06-0237729_22-246251.90 ppb
2022-06-0237729_22-246276.02 ppb
2022-09-0937729_22-435764.84 ppb
2022-09-0937729_22-435775.00 ppb
2022-12-0737729_22-598341.43 ppb
2022-12-0737729_22-59835ND
2023-03-0237729_23-105412.81 ppb
2023-03-0237729_23-105422.72 ppb
2023-06-0737729_23-28844ND
2023-06-0737729_23-28845ND
2023-09-0637729_23-49435ND
2023-09-0637729_23-49436ND
2023-12-0637729_23-689761.84 ppb
2023-12-0637729_23-689802.18 ppb
2023-12-0637729_23-68980A2.18 ppb