I double checked and it looks to be 220v for the well pump based on the wiring on the pressure switch.
The output from the well to the pressure tank is 1" PVC. The output from the pressure tank is 3/4" PEX so that reduces the volume somewhat. Putting in a Tee with a ball valve might make life easier. I'd just need to run a connection from the mechanical room to the outside and then figure how to get from there to the pond.
The alternative would be to use the existing 3/4" PEX plumbing to the hose bib and get a 3/4" hose to see what kind of flow I could get without having the pressure tank in the middle. If that's close to what's needed then I could do a permanent install with 1" plumbing.
Looks like the first step is to buy a 3/4" or larger hose.
