Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Trichlorofluoromethane

Clwsc Canyon Lake Shores

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.

 

84

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND120ND
2015ND170ND
2016ND160ND
2017ND120ND
2018ND160ND
2019ND110ND

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
2014-02-18AC43359ND
2014-02-18AC43351ND
2014-04-30AC52368ND
2014-04-30AC52372ND
2014-04-30AC52370ND
2014-09-03AC65659ND
2014-09-03AC65649ND
2014-10-08AC69203ND
2014-10-08AC69195ND
2014-10-08AC69199ND
2014-10-08AC69205ND
2014-10-08AC69197ND
2015-02-03AC79028ND
2015-02-03AC79030ND
2015-02-03AC79026ND
2015-03-26AC86267ND
2015-03-26AC86265ND
2015-03-26AC86275ND
2015-03-26AC86261ND
2015-03-26AC86247ND
2015-03-26AC86279ND
2015-03-26AC86307ND
2015-05-13AC91851ND
2015-05-13AC91861ND
2015-08-12AD03858ND
2015-08-12AD03864ND
2015-08-12AD03860ND
2015-08-12AD03868ND
2015-12-07AD15798ND
2016-02-03AD21854ND
2016-02-03AD21858ND
2016-02-03AD21852ND
2016-03-09AD27913ND
2016-03-09AD27899ND
2016-03-09AD27907ND
2016-03-09AD27915ND
2016-03-09AD27909ND
2016-04-27AD34448ND
2016-04-27AD34446ND
2016-07-26AD45731ND
2016-07-26AD45723ND
2016-07-26AD45729ND
2016-07-26AD45719ND
2016-10-04AD52487ND
2016-12-01AD59880ND
2017-01-25AD66838ND
2017-01-25AD66818ND
2017-02-24AD72107ND
2017-04-11AD79228ND
2017-04-11AD79210ND
2017-04-11AD79218ND
2017-06-27AD87924ND
2017-06-27AD87926ND
2017-06-27AD87930ND
2017-07-24AD90374ND
2017-07-24AD90376ND
2017-10-05AD99589ND
2018-02-07AE12781ND
2018-02-07AE12783ND
2018-02-07AE12787ND
2018-05-16AE26610ND
2018-05-16AE26608ND
2018-05-16AE26612ND
2018-05-17AE26793ND
2018-05-17AE26807ND
2018-05-17AE26811ND
2018-05-17AE26795ND
2018-05-17AE26813ND
2018-05-17AE26809ND
2018-07-26AE34700ND
2018-07-26AE34682ND
2018-07-26AE34680ND
2018-11-06AE45425ND
2019-02-06AE53216ND
2019-02-06AE53214ND
2019-02-06AE53212ND
2019-04-23AE63384ND
2019-04-23AE63386ND
2019-08-20AE79908ND
2019-08-20AE79904ND
2019-10-30AE88008ND
2019-10-30AE88002ND
2019-10-30AE88004ND
2019-10-30AE88006ND