Mill Seat Landfill is owned by Monroe County and operated by Waste Management of New York, LLC. The facility is located on the western edge of Monroe County in the Town of Riga. Mill Seat Landfill was permitted in 1991 and began operation in 1993. In 2002, Monroe County partnered with Waste Management to operate the site. Waste Management is proud to partner with the towns of Riga and Bergen, the villages of Churchville and Bergen, as well as Monroe County.

Notable is how much of this landfill is surrounded by regulated wetlands, as shown in green and yellow on this map.

LEFT - Circa 1995, a few years after opening
RIGHT - Circa 2020, a contemporary aerial photo