Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Trichlorofluoromethane

Bastrop County Water Control and Improvement District 2

Trichlorofluoromethane (Freon 11) is a refrigerant, solvent and aerosol propellant banned in 2000 under the Montreal Protocol because of its ozone-depleting properties. Freons can cause heart, nervous system and liver damage.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND30ND
2016ND30ND
2017ND30ND
2018ND30ND
2019ND30ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 1,300 ppb

The EWG Health Guideline of 1,300 ppb for trichlorofluoromethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-01AC52619ND
2015-02-02AC78811ND
2015-02-02AC78805ND
2015-02-02AC78817ND
2016-02-04AD22187ND
2016-02-04AD22189ND
2016-02-04AD22183ND
2017-01-10AD63978ND
2017-01-10AD63986ND
2017-01-10AD63980ND
2018-04-11AE22095ND
2018-04-11AE22079ND
2018-04-11AE22083ND
2019-01-16AE50158ND
2019-01-16AE50152ND
2019-01-16AE50156ND