For a small neighborhood park with moderate foot traffic, I’d choose a 45-gallon urban trash bin as the primary size. It is the practical middle ground: large enough to handle daily cups, wrappers, pet waste bags, and picnic leftovers without overflowing too quickly, but still light enough for park staff to empty and maneuver. In most small parks, a 45-gallon bin at each main entrance and one near the central gathering area is a sensible starting point.
I would use 32-gallon bins only in secondary spots, such as beside benches or along quieter paths, where waste builds more slowly. A 65-gallon bin can work if the park hosts weekend events or if pickup is less frequent, but it may look bulky and become unpleasant if it sits half-full for too long. The better choice is usually to match bin size to pickup frequency rather than simply buying the biggest container.
Placement matters as much as size. Put the 45-gallon bins where people naturally leave the park, near playground edges, and close to high-use seating areas. Use animal-resistant lids, sturdy liners, and a consistent emptying schedule. For a small neighborhood park with moderate foot traffic, a 45-gallon urban trash bin is the most reliable all-around choice.