Ponds are extremely beneficial for wildlife and balance ecosystems and create habitat.
Creating a pond in a garden is one of the most beneficial things that you can do for insects, pollinators and other native wildlife.
A well thought out pond can even help replenish your local watershed and ecological cycles by rerouting the water from your downspout into a rain barrel and then into the pond itself. This can create a spectacular earthworks.
Beyond a ponds inherent ascetic beauty, they also provide very crucial habitat, refuge, shelter and breeding grounds to an array of wildlife like, dragonflies, damselflies, hoverflies, bees, birds, frogs and many other amphibians.
Learn more
Principles of backyard ponds
https://xerces.org/publications/guidelines/backyard-ponds
How ponds can balance mosquito populations
https://xerces.org/pesticides/effective-mosquito-management
Ponds help dragonflies
http://www.migratorydragonflypartnership.org/index/welcome
The importance of ponds