👉 Millponds are small bodies of water that have been created by a process called "pollination" or "transpiration". These bodies of water are typically found in wetlands and are usually covered with vegetation. Millponds can be large, as they may contain up to 10-20 feet (3-6 meters) of water, and small, as they may only have a few inches (2-5 centimeters) of water. Millponds play an important role