Know Your Environment. Protect Your Health.

Bromoform

Denton County Fresh Water Supply District 11-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.

 

46

Samples

0

Samples exceeding legal limit (MCL)

16

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.178 ppb61ND - 1.07 ppb
2019ND80ND
20200.845 ppb84ND - 2.20 ppb
20210.148 ppb81ND - 1.18 ppb
20220.824 ppb84ND - 1.87 ppb
20231.18 ppb86ND - 2.09 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
2018-01-03Q1800338002ND
2018-04-05Q1814183001ND
2018-07-05Q18265670011.07 ppb
2018-10-03Q1839722003ND
2018-12-05Q1849641001ND
2018-12-05Q1849641002ND
2019-01-08Q1900597001ND
2019-01-08Q1900597002ND
2019-04-09Q1914510001ND
2019-04-09Q1914510002ND
2019-08-05Q1950730001ND
2019-08-05Q1950730002ND
2019-10-02Q1971117001ND
2019-10-02Q1971117002ND
2020-01-15Q20015920012.20 ppb
2020-01-15Q20015920022.19 ppb
2020-05-18Q20196730011.21 ppb
2020-05-18Q20196730021.16 ppb
2020-09-10Q2036113001ND
2020-09-10Q2036113002ND
2020-11-24Q2047160001ND
2020-11-24Q2047160002ND
2021-02-24Q21047560031.18 ppb
2021-02-24Q2104756002ND
2021-05-26Q2113816001ND
2021-05-26Q2113816002ND
2021-08-24Q2123027001ND
2021-08-24Q2123027002ND
2021-11-10Q2131593001ND
2021-11-10Q2131593002ND
2022-02-15Q22054290021.69 ppb
2022-02-15Q22054290031.46 ppb
2022-05-09Q22137860011.57 ppb
2022-05-09Q22137860021.87 ppb
2022-08-18Q2224618001ND
2022-08-18Q2224618002ND
2022-10-18Q2231733001ND
2022-10-18Q2231733002ND
2023-01-27Q23043990011.63 ppb
2023-01-27Q23043990021.45 ppb
2023-06-12Q2322115001ND
2023-06-12Q2322115002ND
2023-08-29Q23373210011.52 ppb
2023-08-29Q23373210021.59 ppb
2023-11-08Q23480500011.13 ppb
2023-11-08Q23480500022.09 ppb