Know Your Environment. Protect Your Health.

Bromoform

Spearman Municipal Water System

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
20200.340 ppb31ND - 1.02 ppb
2021ND30ND
20220.333 ppb31ND - 1.000 ppb
20230.400 ppb31ND - 1.20 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
2018-08-16Q1832823006ND
2018-08-16Q1832823007ND
2018-08-16Q1832823002ND
2019-05-09Q1923445005ND
2019-05-09Q1923445006ND
2019-05-09Q1923445008ND
2020-05-05Q2017201005ND
2020-05-05Q2017201015ND
2020-05-05Q20172010211.02 ppb
2021-06-30Q2117198001ND
2021-06-30Q2117198007ND
2021-06-30Q2117198003ND
2022-06-22Q2217555001ND
2022-06-22Q2217555003ND
2022-06-22Q22175550091.000 ppb
2023-06-27Q2324615007ND
2023-06-27Q2324615009ND
2023-06-27Q23246150191.20 ppb