That's an excellent and practical question many city maintenance teams consider. The short answer is: it depends entirely on the specific trash can's construction and materials.
Most modern urban trash cans, especially those designed for heavy public use, are built to withstand rigorous cleaning methods including pressure washing. Municipalities typically invest in durable units made from materials like:
- Powder-coated steel
- Heavy-duty polyethylene plastic
- Galvanized metal
- Commercial-grade polymers
These materials are selected specifically for their ability to endure weather extremes and cleaning protocols. The key factors determining pressure washing suitability include:
1. Material thickness and density
2. Quality of protective coatings
3. Seam and weld integrity
4. Drainage system design
For properly manufactured commercial trash receptacles, low to medium-pressure washing (around 500-1500 PSI) with appropriate nozzles is generally safe and recommended for sanitation. This method effectively removes grime, disinfects surfaces, and maintains appearance without harsh chemicals.
However, precautions are necessary:
- Avoid direct high-pressure streams on decals, locks, or plastic components
- Check manufacturer guidelines for specific models
- Ensure proper drainage to prevent water accumulation
- Use appropriate temperature settings to avoid material warping
Regular pressure washing, when correctly performed, actually extends the lifespan of urban trash cans by preventing corrosive buildup and bacterial growth. Many cities have integrated pressure washing into their routine maintenance schedules with excellent results.
The most vulnerable elements are usually the mechanical parts (lids, hinges) rather than the main body. With proper technique and equipment selection, pressure washing remains one of the most efficient methods for maintaining clean, hygienic, and odor-free public trash receptacles in urban environments.