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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Dayton Valley Water System

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND180ND
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-02-201302607-001AND
2013-02-201302601-001AND
2013-02-201302604-001AND
2013-02-201302608-001AND
2013-02-201302606-001AND
2013-02-201302605-001AND
2013-02-201302600-001AND
2013-02-201302602-001AND
2013-02-201302603-001AND
2013-06-101306237-001FND
2013-08-261308887-001AND
2013-08-261308882-001AND
2013-08-261308880-001AND
2013-08-261308883-001AND
2013-08-261308886-001AND
2013-08-261308884-001AND
2013-08-261308885-001AND
2013-08-261308881-001AND