That's an excellent and very specific question! Frequent power-washing is the ultimate test for any outdoor trash receptacle. For your needs, the absolute best models are heavy-duty commercial-grade stainless steel trash cans.
Forget plastic or coated metals; high-pressure water will degrade them quickly. You need Type 304 or 316 stainless steel. This material is non-porous, rust-resistant, and won't chip or peel under pressure. Look for cans with seamless, welded construction to prevent water from getting trapped in crevices and causing damage.
The best styles are round "bullet" cans or simple rectangular units with smooth, rounded corners and minimal seams. Avoid complex designs with lids that have many hinges or internal mechanisms that can trap debris and moisture. A sturdy, simple lid or an open-top design for high-volume areas is ideal.
Top brands to search for include United Receptacles, Pilot Rock, and Gloucester. Specifically, look for their "Commercial" or "Heavy Duty" lines labeled for municipal or urban use. These are built to withstand not just power-washing, but also vandalism and extreme weather.
Pro Tip: When installing, ensure the can is on a level surface and that the drainage holes at the bottom are clear. Even the best can will corrode if standing water is trapped inside. With a proper stainless steel model, you can power-wash it as often as needed, and it will look clean and professional for years.