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EWG's Tap Water Database — 2021 UPDATE

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Trichlorofluoromethane

California Water Service Co-leona Valley

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.

 

31

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015ND60ND
2016ND40ND
2017ND40ND
2018ND40ND
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
2014-01-215701-008-1129ND
2014-02-185701-006-1123ND
2014-02-185701-001-1113ND
2014-05-275701-006-1215ND
2014-05-275701-001-1212ND
2014-08-255701-008-1025ND
2014-08-255701-006-1055ND
2014-08-255701-001-1040ND
2014-11-185701-006-1130ND
2014-11-185701-001-1124ND
2015-01-205701-008-1108ND
2015-02-175701-001-1116ND
2015-02-175701-006-1128ND
2015-05-195701-001-1028ND
2015-05-195701-006-1021ND
2015-08-185701-008-1055ND
2016-01-195701-008-1500ND
2016-05-245701-001-1244ND
2016-05-245701-006-1238ND
2016-08-039590-008-1045ND
2017-01-245701-008-1506ND
2017-05-025701-006-1241ND
2017-05-025701-001-1245ND
2017-08-225701-008-1525ND
2018-01-095701-008-1108ND
2018-05-155701-006-1038ND
2018-05-155701-001-1052ND
2018-08-215701-008-1337ND
2019-01-225810-008-1125ND
2019-08-205701-008-0839ND
2019-10-155701-001-1500ND