Usually the young will imprint and return to the general area. But if say a drought happens, they will go find more suitable nesting and feeding conditions elsewhere.
Migrators like food, and if the pond in deep, that is a problem as puddle ducks (Mallards, woodies, etc... like shallow water, 2' or less is norm. they love 6" deep water it seems as the food source is avaiable. You may consider planting sago pond weed, etc... in the spring. Check with a place that sells it like Wildlife Nurseries and other COs.
The Audacity of Bull Crap.
"Typical: Gun-loving, bitter bible-thumping white person" Barack Obama.
Hey I resemble that comment!!! Those are FIGHTING WORDS!!!