DIY KOI Pond with Waterfall #koipond

Are you looking to add a peaceful and serene feature to your backyard? A DIY Koi pond with a waterfall can be the perfect solution. Not only will it enhance the aesthetics of your outdoor space, but it will also provide a relaxing atmosphere. Building your own Koi pond may seem intimidating, but with the right knowledge and guidance, it can be a rewarding and fun project. In this blog post, we will provide you with all the necessary steps to create your very own DIY Koi pond with a beautiful waterfall. #koipond

DIY KOI Pond with Waterfall: A Step-by-Step Guide

Are you looking for a new project to tackle? Consider building your own KOI pond with a waterfall! Not only is it a unique addition to your backyard, but also it can serve as a peaceful oasis for you to relax by after a long day. With our step-by-step guide, you can create a beautiful water feature that will impress your neighbors and provide a comfortable home for your KOI fish.

What You Need

Here is a list of supplies to help you get started:

  • Pond liner
  • Waterfall spillway
  • Pump
  • Rocks and boulders
  • KOI fish
  • Water plants
  • PVC piping and fittings
  • Water additives (optional)

Digging the Hole

Begin by selecting a spot in your yard that is level and gets some shade during the day to prevent algae growth. Then, mark the perimeter of the pond with stakes and spray paint. Dig the hole at least 3 feet deep and 2 feet wider than the pond liner.

Installing the Pond Liner

Next, lay out the pond liner inside the hole and trim the edges, leaving a few inches above the ground level. Be sure to smooth out the wrinkles in the liner. You can also add rocks or sand to weigh down the liner and prevent it from shifting.

Adding the Waterfall

Place the waterfall spillway onto the edge of the pond liner and secure it with rocks or adhesive. Lay out the PVC piping from the spillway to the pump, making sure to hide it with rocks and boulders. Test the waterfall by connecting the pump to the spillway and filling the pond with water.


Once the waterfall is functioning correctly, landscape the area around the pond with rocks, boulders, and water plants. Arrange the rocks and boulders in a natural-looking way to give your KOI pond a more authentic look. Plant water plants around the edge of the pond and waterfall to add color and texture.

Adding the KOI Fish

The moment of truth has arrived! Introduce your KOI fish to their new home. Carefully place them in the water and watch them as they explore their new habitat.


Building a KOI pond with a waterfall is an exciting DIY project that can bring so much joy and beauty to your backyard. Be sure to check out the YouTube video about building a 7000 gallon pond for large mouth bass and offers deals on pond kits. The channel focused on equipment and rural living that offers merchandise for sale. Subscribing to the channel and following on Facebook is encouraged, and it’s a fantastic way to support the channel by buying a coffee. A series of videos about building the pond are available on the channel. The final moment of truth in the video is the successful water run.


  1. Can I use any kind of rocks and boulders for my KOI pond?
    A: Yes, as long as the rocks are not sharp and are safe for fish.

  2. Do I need to add water additives to my pond?
    A: It depends on the type of water you are using. If your water contains high levels of chlorine or other chemicals, water additives are recommended.

  3. How many KOI fish can I have in my pond?
    A: A general rule of thumb is 1 inch of fish per 10 gallons of water.

  4. How often do I need to clean my pond?
    A: It’s best to aim for a once-a-week cleaning schedule, including removing debris from the bottom of the pond and cleaning the filter.

  5. Do I need special equipment to maintain my KOI pond?
    A: You should have a pond pump, filter, and net to remove dead leaves and debris from the water. You may also need a water testing kit to maintain the water chemical balance.

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