Build Your Own Natural Swimming Hole

These beautiful pools are low-tech, easy to maintain and best of all, only need to be filled once.

| July/August 2007


Natural pools are home to frogs, water striders and dragonflies, making them a treasure trove of riches for children to explore.

Courtesy BIOTOP

Whether you like to practice your dolphin dives or lounge away the day on a raft, swimming is one of summer’s perfect pleasures. With a minimum of materials you can build an idyllic water oasis right in your own backyard and thwart summertime’s sultry dog days.

Although fairly common in Europe, natural swimming pools are in their infancy in the United States. Ask most American swimming-pool contractors to build a backyard pool and chances are they’ll roll out a long list of goods, including rebar, sprayed concrete, fiberglass and a complex filtration system. But in recent years, a few builders and a growing number of homeowners have learned how to build pools that look more natural and blend nicely into the landscape.  

In a natural pool, plants enrich the water with oxygen, support beneficial bacteria and other micro-organisms that consume debris, and give habitat to frogs, dragonflies and other water life. The result is a beautiful, ecologically diverse system that is relatively inexpensive to construct. A natural pool can be constructed for as little as $2,000 if you do it yourself, while conventional pools can cost tens of thousands of dollars. But the savings don’t end there. A natural swimming hole is fairly low-tech, and once established requires only a modicum of management. You won’t have to drain the pool each autumn and, except for topping it off now and then, you’ll fill the pool only once.

Dig it

The easiest and least costly way to build a swimming pool is simply to hollow a hole in the ground. You can make your pool as deep as you want, but the key is to make sure the sides slope, which will prevent cave-ins and offer easy entrance and exit. The ratio should be a 1-foot vertical drop for every 3 horizontal feet.

“It’s not a bathtub effect, but more like a soup bowl,” says Tom Zingaro, partner with Denver-based Blue Lotus Designs (, a pool- and pond-architecture company.

One of the main reasons traditional swimming pools are constructed with a steel framework is to ensure the walls stay vertical and perpendicular to the bottom surface of the pool. Construct a pool with sloping sides and you’ll eliminate the need for steel reinforcement.

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8/9/2015 8:58:45 AM

5/15/2015 12:33:04 PM

This is amazing, I would love to build my own natural swimming pool. Chlorine always leaves the nastiest smell, and gives my hair a rough texture. A natural swimming pool is a much better alternative, but I do have a question. Would fish be able to live in the pool as well, since plants can thrive there? I would love to put a few koi in as decoration but I don't want to do anything that would harm the animals. If it's too much trouble I won't bother. Thanks for posting!

7/28/2014 2:31:07 PM

Thanks for posting this useful information. This was just what I was on looking for. I'll come back to this blog for sure! I bookmarked this blog a while ago because of the useful content and I am never being disappointed. |

6/16/2014 5:50:00 AM

I learned some great stuff here. Sure marked for review. Thanks for your efforts!

5/28/2014 12:58:16 PM

I was wondering about the upkeep as well. What has to be done on a daily and weekly basis to maintain it properly? Also, is it more prone to snakes, since it's a natural pond like environment and doesn't have chlorine? I am concerned about poisonous snakes (Arkansas) being present in a pool where my children would play...

5/26/2014 5:28:42 AM is no more a mere luxury; they’re a necessity cum luxury. We have very tiresome routines and naturally we need to pull-off that tiredness in one or the other way. One of the best ways is a hot tub bath which not only refreshes you but also energizes you for further activity. Hydropool pool hot tubs can cater the need of being the best and affordable energizer and refresher.

4/21/2014 6:12:05 AM

Making a natural pool is not all you need to do, taking care of such pools is a tough task and you need to consult a good agent like and get your pool cleaned regularly. Using such pools means you need to take extra care of them to keep it in good form.

3/10/2014 2:25:23 PM

I live in Southeastern Idaho and was curious to know how such a pool would do here.. it gets SUPER cold in the winter and for a lonnnng stretch of time... Thank you!

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