Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Trichlorofluoromethane

Kingsland Water Supply Corporation

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
2014ND20ND
2015ND60ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

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
2014-08-14AC63689ND
2014-08-14AC63673ND
2015-01-28AC78146ND
2015-01-28AC78144ND
2015-04-14AC88115ND
2015-04-14AC88113ND
2015-09-02AD05437ND
2015-10-19AD11004ND
2016-02-02AD21530ND
2016-02-02AD21528ND
2017-02-13AD70402ND
2017-02-28AD72446ND
2018-02-26AE15431ND
2018-02-26AE15433ND
2019-01-09AE49191ND
2019-01-09AE49187ND