Just assure that it is good sandy loam. Solid loam can crack when dry and sand is porous.

Assure that the dozer guy is a pond builder, not just a dirt pusher. There’s a difference and that difference is important.

Find neighbors with ponds or pond owners in the area. Stop and ask who built it and whether they would use them again.

Get several bids.

It's not about the fish. It's about the pond. Take care of the pond and the fish will be fine. PB subscriber since before it was in color.

Without a sense of urgency, Nothing ever gets done.

Boy, if I say "sic em", you'd better look for something to bite. Sam Shelley Rancher and Farmer Muleshoe Texas 1892-1985 RIP Grandpa