Depth is one of the most important decisions in pond design, and it's driven by what the pond needs to survive and what you want to use it for.
Why depth matters in Texas specifically
North Texas summers bring extended heat and evaporation. A pond that's too shallow can lose a significant portion of its volume during a dry summer, sometimes enough to threaten fish or reduce it to a mudhole by late August. Adequate depth is what keeps a pond functional through dry stretches, not just after it's freshly dug.
Depth for different uses
A fishing pond generally benefits from deeper areas (often in the range recommended by state wildlife guidance for your target species) so fish have thermal refuge during extreme heat. A livestock pond needs enough depth to maintain a reliable water supply through the summer. A primarily aesthetic pond has more flexibility, though very shallow ponds are more prone to algae issues.
We'll evaluate your specific goals, soil, and watershed during a site visit and recommend a depth that fits — rather than defaulting to one number for every property.