That's an excellent and very practical question! The short answer is: it depends entirely on the material and construction of the trash can. Many modern, heavy-duty outdoor and commercial bins are absolutely designed to withstand power washing, which is often the most efficient way to remove grime, odors, and bacteria.
For durable materials like high-density polyethylene (HDPE), thick galvanized steel, or powder-coated metal, a standard pressure washer on a medium setting is perfectly suitable. These materials won't rust, warp, or degrade from the water pressure and cleaning agents. Municipalities and waste management companies regularly power-wash their large commercial bins for this reason.
However, you must exercise caution. Avoid using a power washer on:
* Thin, lightweight plastic residential bins, which can crack.
* Any can with existing rust or structural weakness.
* Areas around the lid hinges or labels that might not be fully sealed.
The best practice is to use a wide-angle (40-degree) nozzle, keep the washer at a moderate pressure (around 1200-1800 PSI), and maintain a safe distance of about 2-3 feet. Always use an eco-friendly, biodegradable cleaner designed for pressure washers to break down grease and organic matter first. This method blasts away debris without damaging the bin's integrity.
So, for sturdy outdoor cans, yes—power washing is a highly effective cleaning method. Just match the tool's power to the bin's durability for a deep, sanitary clean that extends its lifespan.