Tarrytown also produced the 50 millionth Chevrolet, a special gold-colored 1963 Impala SS with the 409 cubic-inch V8.

These were the Chevrolet Lumina APV, Pontiac TranSport, and Oldsmobile Silhouette, but sluggish sales spelled the end for GM's Tarrytown operations with its 2100 employees.

The plant's industrial waste (primarily lead chromate and other painting, cleaning, and soldering chemicals) would be emptied directly into the river.

Around 1971, the village's Sewer and Water Superintendent assured that the pollution reports were exaggerated, and that he and other residents would swim by a beach nearby, however Dominick Pirone, an ecologist and former director of the Hudson River Fishermen's Association (now Riverkeeper) was quoted as saying: "You can tell what color cars they are painting on a given day by what color the river is.

"[5] The site today is now being developed, with the parcel west of the railroad becoming a mainly-residential Toll Brothers development named "Edge-on-Hudson" and the east parcel retained by the Village of Sleepy Hollow for a new Department of Public Works garage and other facilities for the public.