Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Trichlorofluoromethane

D Bar B Mobile Home Ranch

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND
2018ND10ND
2019ND40ND

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
2014-05-22Q1417685002ND
2015-08-06Q1531047008ND
2016-05-19Q1619952001ND
2017-06-27Q1726828003ND
2018-01-31Q1803992001ND
2019-01-08Q1900803008ND
2019-04-11Q1914810001ND
2019-08-07Q1952050002ND
2019-10-01Q1970773002ND