Location and size are the two most important decisions you'll make about your water feature. By some estimates, 90 percent of the original water gardens sold are replaced later with larger ones. An enthusiastic pond hobbyist always finds new plants or interesting fish to add to his investment.

As a general rule, a 180 square-foot or 11' x 16' pond is a good "standard" size water feature. Trace your prospective pond out on the ground with a garden hose to help you visualize what the finished size will be.