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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Cal-water Service Company - Chico

Chlorodifluoromethane (Freon 22) 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.

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76

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.0383 ppb232ND - 0.660 ppb
20140.0410 ppb523ND - 1.30 ppb
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-07-08201307090268AM0.220 ppb
2013-07-10201307110723AMND
2013-07-10201307110714AMND
2013-07-23201307240454AMND
2013-07-24201307250299AMND
2013-08-05201308060209AMND
2013-08-05201308060174AMND
2013-08-07201308080297AMND
2013-08-14201308150519AMND
2013-08-14201308150376AMND
2013-08-14201308150419AMND
2013-08-20201308210545AMND
2013-08-20201308210531AMND
2013-08-21201308220191AMND
2013-08-21201308220228AMND
2013-09-17201309180770AMND
2013-09-17201309180760AMND
2013-09-18201309200057AMND
2013-09-18201309200197AM0.660 ppb
2013-10-08201310090663AMND
2013-10-08201310090475AMND
2013-10-08201310090466AMND
2013-10-15201310160276AMND
2014-01-07201401080521AM0.630 ppb
2014-01-07201401080502AM0.200 ppb
2014-01-08201401090455AM1.30 ppb
2014-01-14201401150423AMND
2014-01-21201401220301AMND
2014-01-22201401230438AMND
2014-01-28201401290592AMND
2014-02-11201402120783AMND
2014-02-11201402120774AMND
2014-02-11201402120765AMND
2014-02-12201402130413AMND
2014-02-12201402130403AMND
2014-02-12201402130422AMND
2014-02-19201402200383AMND
2014-02-26201402270202AMND
2014-02-26201402270253AMND
2014-02-28201403010102AMND
2014-03-04201403050448AMND
2014-03-04201403050602AMND
2014-03-04201403050469AMND
2014-03-05201403060269AMND
2014-03-17201403180308AMND
2014-03-17201403180359AMND
2014-03-18201403190842AMND
2014-03-18201403190857AMND
2014-04-08201404090691AMND
2014-04-09201404100717AMND
2014-04-09201404100762AMND
2014-04-09201404100816AMND
2014-04-09201404100733AMND
2014-04-22201404230616AMND
2014-04-22201404230451AMND
2014-04-23201404240395AMND
2014-04-23201404240503AMND
2014-06-18201406190418AMND
2014-07-09201407100538AMND
2014-07-14201407150436AMND
2014-08-05201408060371AMND
2014-08-05201408060337AMND
2014-08-06201408070479AMND
2014-09-09201409110339AMND
2014-09-09201409110319AMND
2014-09-10201409110685AMND
2014-09-10201409110775AMND
2014-09-23201409240606AMND
2014-09-24201409250613AMND
2014-10-07201410080535AMND
2014-10-07201410080449AMND
2014-10-08201410090312AMND
2014-10-15201410160402AMND
2014-10-27201410290061AMND
2014-12-09201412100746AMND
2015-01-13201501140878AMND