Know Your Environment. Protect Your Health.

Bromoform

City of Chandler

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.

 

35

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND60ND
2020ND50ND
20212.35 ppb63ND - 8.44 ppb
20220.532 ppb61ND - 3.19 ppb
20230.517 ppb62ND - 1.58 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
2018-05-31Q1821776006ND
2018-05-31Q1821776002ND
2018-09-11Q1835874002ND
2018-10-15Q1840931002ND
2018-10-15Q1840931004ND
2018-10-15Q1840931006ND
2019-03-19Q1911348006ND
2019-03-19Q1911348009ND
2019-03-19Q1911348011ND
2019-03-19Q1911348012ND
2019-09-11Q1963871003ND
2019-09-11Q1963871012ND
2020-03-24Q2012436007ND
2020-03-24Q2012436009ND
2020-03-24Q2012436011ND
2020-06-23Q2025085008ND
2020-06-23Q2025085009ND
2021-05-04Q2111316005ND
2021-05-04Q21113160184.58 ppb
2021-05-04Q2111316011ND
2021-05-04Q2111316009ND
2021-05-04Q21113160078.44 ppb
2021-12-15Q21355080021.07 ppb
2022-03-31Q2210090007ND
2022-03-31Q2210090009ND
2022-03-31Q2210090011ND
2022-03-31Q2210090013ND
2022-03-31Q2210090015ND
2022-09-16Q22279250023.19 ppb
2023-01-12Q2301951016ND
2023-01-12Q2301951018ND
2023-01-12Q2301951020ND
2023-09-05Q23380990021.52 ppb
2023-10-02Q2342088004ND
2023-10-02Q23420880061.58 ppb