How to Create Natural Pools Backyard Swimming Ponds: A Complete Guide

Natural pools and backyard swimming ponds offer a beautiful, eco-friendly alternative to traditional chlorine pools. They blend seamlessly into the landscape, support biodiversity, and require minimal chemicals. In this guide, we’ll explore how to build a natural swimming pool, design ideas, maintenance tips, and the benefits of these stunning water features.

What is a Natural Pool?

A natural pool (also known as a swimming pond) is a self-sustaining aquatic ecosystem that uses biological filtration instead of chemicals to keep the water clean. These pools typically have two zones:

1. Swimming Zone – The deeper section meant for swimming.
2. Regeneration Zone – A shallow area with aquatic plants that naturally filter and oxygenate the water.

Benefits of a Natural Pool

• Eco-Friendly – No need for chlorine or harmful chemicals.
• Lower Maintenance Costs – Uses natural filtration rather than expensive pool treatments.
• Aesthetic Appeal – Blends harmoniously with your backyard landscape.
• Supports Wildlife – Encourages biodiversity by attracting birds, frogs, and beneficial insects.
• Healthier Swimming Experience – No skin or eye irritation from chemicals.

Planning Your Natural Pool

1. Choosing the Right Location

Pick a site with ample sunlight to support aquatic plant growth and reduce algae buildup. Avoid areas under large trees to minimize falling leaves.

2. Determining the Size and Depth

• Small Pools: 15×20 feet (ideal for compact yards).
• Medium Pools: 25×40 feet (perfect for families).
• Large Pools: 50 feet and beyond (for a spacious, lagoon-like experience).
• Depth should range from 4-6 feet in the swimming zone, with the regeneration zone being shallower.

3. Design and Shape

Natural pools can be designed in organic, freeform shapes or in modern geometric styles. Consider integrating:

• Waterfalls for aeration.
• Rock formations for a natural look.
• Wooden decks or stone paths for easy access.

How to Build a Natural Pool

Step 1: Excavation

• Mark the pool’s outline and dig out the swimming and regeneration zones.
• Create a slope between the two zones to allow water circulation.

Step 2: Lining the Pool

• Use bentonite clay or a rubber liner to prevent water seepage.
• Natural stone or gravel can be added on top for aesthetic appeal.

Step 3: Installing a Filtration System

• Add gravel beds and biofilters to promote water purification.
• Install a small pump to circulate water between zones.
• Include aquatic plants like water lilies, reeds, and cattails.

Step 4: Filling the Pool

• Use rainwater or well water for an eco-friendly approach.
• Avoid using chemically treated tap water.

Step 5: Landscaping Around the Pool

• Add native plants and shrubs to complement the pond’s ecosystem.
• Consider natural seating areas like stone benches or wooden docks.

Best Plants for a Natural Pool

Aquatic plants are essential for filtration and oxygenation. Consider these options:

• Submerged Plants (oxygenators): Hornwort, Eelgrass
• Floating Plants: Water Lilies, Duckweed
• Marginal Plants (edge plants): Cattails, Irises, Pickerelweed

Maintaining a Natural Pool

1. Balancing the Ecosystem

• Ensure a good mix of plants to prevent algae growth.
• Introduce beneficial bacteria to break down organic matter.

2. Water Circulation

• Keep the pump running to maintain water movement.
• Add aeration features like a small waterfall or fountain.

3. Regular Cleaning

• Remove fallen leaves and debris.
• Trim overgrown plants in the regeneration zone.
• Check for leaks or liner damage.

Cost of Building a Natural Pool

Conclusion

A backyard natural pool is an investment in beauty, sustainability, and wellness. By following these steps, you can create a stunning eco-friendly retreat that enhances your outdoor space while promoting a healthier swimming environment.

Would you like personalized design suggestions for your space? Let me know, and I’ll be happy to help!