Recycling in South Plainfield provides information for local residents on drop-off and curbside pickup, including yard waste, textiles, motor oil, paint, tires, electronics and more. See also Middlesex County Recycling. PLEASE NOTE: Middlesex County is now strictly enforcing local recycing rules [NEW!]. The South Plainfield Public Library accepts empty ink and toner cartridges from computer printers or copiers. Our Where to Donate Goods page offers information on local, regional, and national organizations that can make good use of your used goods!