what county is pompton plains nj in
Pompton Plains (in Morris County, NJ) Populated Place Profile. Pompton Plains (GNIS FID: 879417) is a populated place located within the Township of Pequannock, a minor civil division (MCD) of Morris County. The elevation of Pompton Plains is 197 feet. Pompton Plains appears on the Pompton Plains U.S. Geological Survey Map. Morris County is in the Eastern Time Zone (UTC -5 hours).