That's a great question, and one that parks departments grapple with all the time. Based on my experience with municipal projects, durability isn't about just one brand, but the right *type* of can from a reputable commercial manufacturer. For a public park, you need something that can withstand constant use, vandalism, and all weather conditions.
For absolute top-tier durability, I consistently recommend heavy-duty stainless steel cans from brands like United Receptacle or Pilot Rock. Their welded, 12-gauge stainless steel models are virtually indestructible. They resist corrosion, won't fade, and their smooth surfaces discourage graffiti (or make it easy to clean). The one-piece, tamper-proof designs are excellent for preventing theft of the inner liner.
A fantastic and often-overlooked option for high-vandalism areas is powder-coated steel. Brands like Victory and Pelsue make incredibly tough units where the steel is coated in a bonded, colored finish that's much more resilient than paint. They offer great impact resistance and come in various colors to blend with park aesthetics.
For a more budget-friendly yet still highly durable choice, look at commercial-grade polyethylene from Toter (known for their carts) or Rubbermaid Commercial Products. These are rotationally molded from thick, UV-stabilized plastic. They won't rust, dent, or chip, and they're naturally graffiti-resistant. The material is also quieter than metal.
My top pick for an all-around champion? The "stadium-style" barrel cans with a galvanized steel inner liner and a perforated powder-coated steel outer shell. They're heavy, hard to tip over, allow airflow, and contain fires. Whether from Pilot Rock or United Receptacle, this style offers the perfect balance of longevity, security, and maintenance for a busy city park. Always opt for models with secure, locking lids and sturdy mounting options to anchor them in place.