Great informative post guys. I am averaging the info. Also great to find a neighbor or two here.

To answer a couple of questions above.

No threat of upstream fish entering the pond. The spring water comes out of the ground only about 100 yards above the pond.

Yes, I can easily find folks to catch and eat any fish that we feel are overpopulating.

Tom, We may have had the same pond guy. My guy's name was Tim??