The Mercer County Improvement Authority operates a curbside recycling program for residents and small businesses in the following municipalities: Ewing, Hamilton, Hopewell Borough, Township of Hopewell, Township of Lawrence, Borough of Pennington, Princeton, Township of Robbinsville, City of Trenton, Township of West Windsor.
Recycling in East Windsor & Hightstown is under the jurisdiction of the municipality.
Residents of multi-family complexes, including condominiums and townhouses should contact the management office for information on recycling.
Accepted Recycling Material

ACCEPTED MATERIALS INCLUDE:
- Mixed Paper, Office Paper & Window Envelopes
- Corrugated Cardboard (flatten boxes and/or cut into manageable bundles)
- Telephone Books & “Soft” Cover Books
- Hard Cover Books (Hard cover must be removed)
- Glass Food & Beverage Jars/Bottles (all colors)
- Aluminum & Metal Beverage Containers
- Pet Food Cans
- Milk Jugs & Plastic Beverage Bottles
- Detergent & Shampoo Containers
- Juice Boxes & Juice/Beverage Cartons
- Plastics with #1, #2, #5 Symbols
RECYCLE RIGHT!
FOLLOW THESE RULES TO ENSURE YOUR MATERIAL IS COLLECTED!
- USE OFFICIAL MERCER COUNTY RECYCLING BINS
- PLACE MATERIAL ON THE CURB BY 7:00 AM
- PLACE MATERIAL LOOSLEY INSIDE BIN (NO PLASTIC BAGS, LINERS, ETC.)
- REVIEW ACCEPTED MATERIALS LIST ABOVE AND AVOID ANY CONTAMINATION LISTED BELOW
KEEP CONTAMINATION OUT OF YOUR BINS!
THE FOLLOWING MATERIALS ARE NOT ACCEPTED IN YOUR CURBSIDE RECYCLING:
- PLASTIC BAGS
- PIZZA BOXES
- BATTERIES
- Light Bulbs
- Aluminum Foil/Baking Pans
- Drinking Glasses, Dishes & Broken Window Glass
- Ceramics & Pottery
- Aerosol Cans
- Motor Oil & Anti-Freeze Containers
- Clothes Hangers
- Bandage Tins & Cookie Tins
- Carbon & Waxed Paper
- Tissue Paper, Napkins, Paper Plates & Paper Towels
- Styrofoam
- Plastics with #3, #4, #6, #7 Symbols
RECYCLING EDUCATION VIDEOS
For a resource guide to recycling uncommon objects for the residents of Mercer County, New Jersey please follow the link below:
Official Buckets
For replacement buckets, please contact your town's Recycling Coordinator by clicking on the following link: RECYCLING COORDINATORS AND PUBLIC WORKS DIRECTORS CONTACT INFORMATION Buckets are also available to all Mercer County residents at Mercer County Connections, Route 33, at the Acme Shopping Center in Hamilton. Please call 609.890.9800 for bucket availability.
For general information and missed recycling collection on weekdays or after hours, please call 609-278-8086
Contact UsMCIA
Hours: 8:30-4:30 M-F |
Director of Environmental Programs
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