By runoff area, I mean the source of water coming into the pond. You can never be assured of land useage on adjoining properties. If they change, your water accessability could be affected. Also, see other threads here regarding chemicals used on adjoining lands.

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