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National Drinking Water Database


Chlorodifluoromethane in New York


Chlorodifluoromethane is a manufactured chemical historically used as a refrigerant and as an intermediate in the production of fluoropolymers; scheduled for phase-out due to its ozone depletion potential and potent greenhouse gas activity.

The Most Polluted Communities in New York

3 water utilities reported detecting Chlorodifluoromethane in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Chlorodifluoromethane level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Manhasset Lakeville Wd
Manhasset, NY
43,00042 of 781.83 ppb
(0 to 15 ppb)
2Jericho Wd
Syosset, NY
58,0004 of 40.65 ppb
(0.6 to 0.7 ppb)
3WA of Great Neck North
Great Neck, NY
31,4002 of 250.03 ppb
(0 to 0.5 ppb)

Health Based Limits for Chlorodifluoromethane

There are no health based standards that EWG is using for this chemical

Violation Summary for Chlorodifluoromethane in New York

There are no violations reported for this contaminant in New York