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EWG's Tap Water Database — 2021 UPDATE

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Trichlorofluoromethane

Middlesex Water Company

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.

 

44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND100ND
2015ND90ND
2016ND50ND
2017ND50ND
2018ND80ND
2019ND70ND

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
2014-02-24142402242014ND
2014-03-07171303072014ND
2014-04-14263104142014ND
2014-04-14262504142014ND
2014-06-09398906092014ND
2014-08-18568608182014ND
2014-09-02600109022014ND
2014-09-29668809292014ND
2014-11-03756211032014ND
2014-11-03756011032014ND
2015-02-23124302202015ND
2015-02-23124502232015ND
2015-03-09157303092015ND
2015-05-04284805042015ND
2015-05-04284905042015ND
2015-08-1015081208-02ND
2015-09-1615091802-02ND
2015-11-0315110409-02ND
2015-11-0315110409-03ND
2016-02-08201602090309ND
2016-02-08201602090312ND
2016-05-23201605240501ND
2016-08-09201608100560ND
2016-11-14201611150663ND
2017-02-0617020706-02ND
2017-02-0617020706-03ND
2017-05-2217052308-02ND
2017-08-0717080809-02ND
2017-11-2717112806-02ND
2018-02-203875951ND
2018-02-203875950ND
2018-04-253920948ND
2018-05-143935709ND
2018-08-064014582ND
2018-08-064014581ND
2018-12-104145918ND
2018-12-174152190ND
2019-02-1119021205-03ND
2019-02-1119021205-02ND
2019-05-0619050704-02ND
2019-06-2419062505-02ND
2019-08-1919082006-02ND
2019-08-1919082006-03ND
2019-11-0419110607-01ND