That's an excellent question that many urban dwellers face when setting up their waste management system. The compatibility between standard 30-gallon bags and your specific urban trash can model really depends on several factors.
Most urban trash cans designed for residential use typically range from 20 to 32 gallons in capacity. If your trash can falls within the 30-gallon range, standard 30-gallon bags should work perfectly. However, urban trash cans often have unique dimensions - some are taller and slimmer to fit in tight spaces, while others might be wider and shorter.
I'd recommend checking your trash can's manufacturer specifications first. Look for a capacity label usually located on the bottom or inside the lid. If it specifies 30 gallons, you're good to go with standard bags. If your can is labeled as 32 gallons, you might find standard 30-gallon bags slightly short, requiring you to fold the top edge over the rim.
Another consideration is the bag material and drawstring design. Urban environments often require durable bags that can handle various types of waste without tearing. If you find standard bags don't fit quite right, you might want to try contractor-grade bags which often have more flexibility in sizing.
The best way to test compatibility? Purchase a small box of standard 30-gallon bags and try one in your can. If it fits snugly without excessive overhang or doesn't require stretching to fit over the rim, you've found your match. Many urban residents successfully use standard 30-gallon bags, but it's always wise to verify with your specific model.