Know Your Environment. Protect Your Health.

Bromoform

Denton County Fresh Water Supply District 8-a Paloma

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
20190.275 ppb41ND - 1.10 ppb
20200.860 ppb42ND - 2.16 ppb
2021ND40ND
20221.000 ppb42ND - 2.23 ppb
20231.25 ppb43ND - 1.82 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
2018-01-03Q1800337001ND
2018-04-05Q1814182001ND
2018-07-05Q1826566001ND
2018-10-03Q1839721001ND
2019-01-08Q1900596001ND
2019-04-09Q1914509001ND
2019-08-05Q19507290011.10 ppb
2019-10-02Q1971116002ND
2020-01-15Q20015910012.16 ppb
2020-05-18Q20196720011.28 ppb
2020-09-10Q2036112001ND
2020-11-24Q2047159001ND
2021-02-24Q2104755002ND
2021-05-26Q2113815001ND
2021-08-24Q2123029001ND
2021-11-10Q2131594001ND
2022-02-15Q22054300021.77 ppb
2022-05-09Q22137870012.23 ppb
2022-08-18Q2224619001ND
2022-10-18Q2231732001ND
2023-01-25Q23035530011.41 ppb
2023-06-12Q2322116001ND
2023-08-29Q23373220011.77 ppb
2023-11-08Q23480510011.82 ppb