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EWG's Tap Water Database — 2021 UPDATE

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Trichlorofluoromethane

Mount Olive Township Water Department Main

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND90ND
2016ND80ND
2017ND50ND
2018ND50ND
2019ND50ND

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
2014-03-12340312114ND
2014-03-25340325049ND
2014-06-10340610138ND
2014-06-10340610137ND
2014-08-12340812109ND
2014-08-12340812108ND
2014-10-30341030058ND
2014-10-30341030057ND
2015-03-17350317085ND
2015-03-17350317084ND
2015-06-09350610201ND
2015-06-09350610204ND
2015-06-09350610200ND
2015-07-21350721094ND
2015-07-21350721095ND
2015-11-04351104123ND
2015-11-04351104124ND
2016-03-23360323100ND
2016-03-23360323101ND
2016-06-14360614175ND
2016-06-14360614176ND
2016-08-17360817120ND
2016-08-17360817119ND
2016-10-27361027099ND
2016-10-27361027098ND
2017-03-22370322078ND
2017-05-24370524109ND
2017-07-25370725097ND
2017-11-08371108146ND
2017-11-08371108145ND
2018-03-20380320178ND
2018-06-13380613158ND
2018-07-18380718184ND
2018-10-16381016235ND
2018-10-16381016234ND
2019-01-15390115193ND
2019-04-17390417216ND
2019-07-25390725039ND
2019-10-16391016243ND
2019-10-16391016244ND