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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Warren Water District

NOTE: Warren Water District purchases water from Des Moines Water Works which is required to test for chlorodifluoromethane. Sample information shown below was taken by Des Moines Water Works.

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND20ND
2014ND20ND
2015ND60ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

NOTE: Warren Water District purchases water from Des Moines Water Works which is required to test for chlorodifluoromethane. Sample information shown below was taken by Des Moines Water Works.

Date Lab ID Result
2014-07-30180955ND
2014-07-30180953ND
2014-07-30180959ND
2014-10-08196216ND
2014-10-08196222ND
2014-10-08196219ND
2015-01-26211478ND
2015-01-26211497ND
2015-01-26211477ND
2015-04-01226435ND
2015-04-01226530ND
2015-04-01226431ND