That's a fantastic and very practical question! Dealing with a soupy, smelly mess at the bottom of your outdoor bin is nobody's idea of a good time. The "best" outdoor trash can to prevent this issue isn't just one single model, but any can that incorporates a few key design features aimed at moisture management.
First, look for trash cans marketed as "leak-proof" or "watertight." These typically have a sealed or gasketed bottom seam, preventing any liquid that does get in from seeping out onto your patio or deck. This contains the mess but doesn't solve the pooling itself.
For actively preventing pooling, drainage is key. Many heavy-duty outdoor bins, especially those for use with liners, feature small drainage holes or a slightly raised bottom design. These allow incidental rainwater or melted ice from bags to drain out, keeping the interior of the can dry. It's crucial to place such a can on a permeable surface like gravel or concrete, not directly on wood.
Material matters immensely. Opt for durable, non-porous materials like resin/plastic, powder-coated steel, or stainless steel. These are easy to rinse and hose out, and liquids won't soak into them like they can with cheaper, thin plastics. A sturdy, snug-fitting lid is non-negotiable. It's your first line of defense against rain and snow, drastically reducing the amount of water that enters the can.
My top recommendation for most people is a sturdy, resin trash can with a tight-sealing, locking lid and a raised bottom with small drainage holes. Brands like Simplehuman, Rubbermaid, and Toter offer excellent models with these features. For ultimate control, consider a can with a dual-compartment system for separating recyclables, which are often drier.
Ultimately, the best can combines a good lid, smart drainage, and easy-clean materials. Pair it with always using a strong, reliable trash bag, and you'll say goodbye to that nasty pool of liquid at the bottom for good.