DIY Natural Pond

Learn how to build a natural pond that stays clean and algae-free without the use of pumps, filters or chemicals.

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by Robert Pavlis
Plants and wildlife thrive in the author's southern Ontario natural pond, where mechanical systems and chemicals are strictly off-limits.

Water, soil, plants and animals live together in a harmonious balance in a natural pond. No one needs to scoop out algae. The water doesn’t need pumps and filters to stay clean and oxygenated, and required maintenance is minimal. Years ago, I dreamed of having such a backyard pond, but everything I read claimed that pumps, filters, chemicals and constant care would be necessary. So, I set out to prove the experts wrong.

Backyard Natural Pond Design

In a conventional backyard pond design, algae levels are controlled by adding chemicals and using a mechanical filter and a circulating pump that cost up to several hundred dollars. These filtering systems are essential because a standard design doesn’t provide a hospitable environment for the beneficial microorganisms that would otherwise keep the water clean. I have found that by changing the design so the pond itself becomes the filter, you can eliminate the need for such systems.

This article will focus on how to create a low-maintenance, natural pond in your backyard by applying these principles:

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