When working in my backyard which has a small vegetable garden and a few fruit trees and some ornamental plants, I often need to repeatedly wash my hands and tools. Occasionally, I will have fish, shellfish, produce and similar items that are ideally washed outside because of soil and odor and pieces that I'd like to gather and throw out immediately without storing in my indoor trash cans.
I'm thinking about installing a permanent outdoor sink or similar for that purpose. My location has rainy falls, winters, and springs, dry summers, occasionally snowy winter months. I'm not sure what types of product or structure I should look into. Mainly I'm concerned that a wrong type will damage my house in some unexpected way, or will not last longer than a few years. Any suggestions or recommendations?
Edit: I do already have a ground level cement sink which is properly plumbed. It's about a foot from the base of the house and the water goes under the sink and I think eventually into the sewage. It looks ideal to have a small size pet dog to wash feet in. So I'm imagining the new sink station which is to be used when standing can piggyback on this existing sink.
The sink is on the ground. The shorter bright green tube is connected to a water spout whose other end is under my kitchen sink.