Natural swimming pools are based on ponds and pools that were once found so abundantly in the landscape. They are a chemical free combination of swimming area and aquatic plant garden, and so form an intimate part of the garden landscape. Natural swimming pools can also make a very important contribution to the restoration of aquatic flora and fauna.
They always take the form of a swimming area and a regeneration area. Sometimes these are at the same (water) level and sometimes the regeneration area is at a separate level.
Natural Swimming Pools - Basic Rules
There are some basic rules for their construction:-
1) You will need a deep area for swimming, between 5 feet (1500mm) and 7 feet (2200mm) with vertical walls.
2) You will need a similar expanse for the regeneration area, which will vary in water depth (down to nothing at the edges). The regeneration area will contain aggregate for filtration in a mass from 2inches (50mm) to eighteen inches (450mm) and averaging 1 foot (300mm).
3) You will need to follow local laws (sometimes quite stringent) for safety fencing.
4) A total area of 50 square metres (25 for the swimming area and 25 for the regeneration area) is recommended by some, but many people are now finding that 100 square metres (50 each for swimming area and regeneration area) gives better, more stable, and more predictable results.
5) You will need a circulating pump to draw water through the gravel bed of the regeneration zone, if the regeneration area and the pond are on the same level. If the regeneration area is above the pond it may drain naturally into the pond, but you will still need a pump to feed it.
Running Cost
You will save money on running costs and you will save on some special features (such as chemical treatment units) but the capital cost is at present quite high reflecting to a degree the complexity of organizing the biological processes. It is arguable that installing a ?normal? swimming pool is a entirely mechanical process that can be handled by competent builders/engineers without much specialist knowledge. On the other hand a ?natural? swimming pool requires specialized skills and knowledge, for which at the moment you are paying a premium.
You will have to allow for slightly higher maintenance. The regeneration area will be actively managed ? removal of excess vegetable matter, replacement of plants that are not doing well, and so on.
You will also have a pool which integrates much better into the garden landscape. If you always wanted a pool for exploring the attractions of pond life, aquatic plants and so on then this is your excuse.
Extra Sources of Information
There are good but slightly academic sources of information on the internet about natural pools. The best is from Europe, where hundreds of natural swimming pools have been built, but really what you must do is make contact with natural swimming pool builders, who not only know the practical wrinkles of building and landscaping a pool, but who will also be able to point you to actual examples.
Natural Swimming Pool Design
A Memorial area family commissioned us to create a natural swimming pool in their back yard. The family already had a standard pool on premises, but it was isolated in an area of the yard not particularly suited to seating guests or hosting get-togethers. What they wanted was a second, natural swimming pool built that would serve as the hub of a new home outdoor entertainment area consisting of a new stone patio, comfortable outdoor seating, and a fire pit. They wanted to create something unique that would preserve as much of the natural features of the landscape as possible, but that would also be completely safe and fully functional as a swimming pool.
We decided to design this new landscaping plan around a pre-existent waterfall that was already on the property. This feature was too attractive to ignore, and provided the ideal anchor point for a new gathering area. The fountain had been designed to mimic a natural waterfall, with stones laid on top of one another in such a way as to look like a mountain cliff where water spontaneously springs from the top and cascades down the rocks. At first glance, many would miss the opportunity that such a structure provides; assuming that a fountain designed like a cliff would have to be completely replaced to install a natural swimming pool. Our landscaping designers, however, came up with a plan to transform one archetypal form into the other by simply adding to what was already there.
At the base of the rocks we dug a basin. This basin was oblong in shape and varied in degrees of depth ranging from a few inches on the end to five feet in the middle. We directed the flow of the water toward one end of the basin, so that it flowed into the depression and created a swimming pool at the base of the rocks. This was easy to accomplish because the fountain lay parallel to the top of a natural ravine located toward the back of the property, so water flow was maintained by gravity. This had the secondary effect of creating a new natural aesthetic. The addition of the basin transformed the fountain's appearance to look more like a cliff you would see in a river, where the elevation suddenly drops, and water rushes over a series of rocks into a deeper pool below. Children and guests swimming in this new structure could actually imagine themselves in a Rocky Mountain River.
We then heated the swimming pool so it could be enjoyed in the winter as well as the summer, and we also lit the pool using two types of luminaires for complimentary effects. For vegetation, we used mercury vapor down lights to backlight surrounding trees and to bring out the green color of foliage in and around the top of the rocks. For the brown color of the rocks themselves, and to create a sparkling luminance rising up and out of the water, we installed incandescent, underwater up lights. The lights were GFIC protected to make the natural swimming pool shock proof and safe for human use.
Across from the waterfall at the top of the fountain, we built a stone patio large enough to seat a number of guests, and we built the fire pit at the base of this patio. To create a sense of visual unity between the seating area and the swimming area, we laid down flat stone rocks to create a natural walkway that would mimic stones along a pathway in the wilderness. This provided the functional benefit of letting people step down stones into the water to the swimming pool below, and it offered the additional aesthetic benefit of a visual focal point that directs the eye from the patio to the fountain regardless of time of year, day, or night.
Natural swimming pools like the one we did in Memorial are a great way to preserve the indigenous vegetation and appeal of your property and still provide something very enjoyable on a practical, recreational level. For more information on these and other unique water features call Exterior Worlds today for a free consultation.
Both Chas And Daff & Jeff Halper are contributors for EditorialToday. The above articles have been edited for relevancy and timeliness. All write-ups, reviews, tips and guides published by EditorialToday.com and its partners or affiliates are for informational purposes only. They should not be used for any legal or any other type of advice. We do not endorse any author, contributor, writer or article posted by our team.
Chas And Daff has sinced written about articles on various topics from Travel and Leisure, Dieting and French Vacation. Chas and Daff run a website which is devoted to new landscaping ideas which they try out in their own gardens in France. They live in Brittany and run three. Chas And Daff's top article generates over 6600 views. Bookmark Chas And Daff to your Favourites.
Jeff Halper has sinced written about articles on various topics from Gardening, Swimming Pool and Gardening. Jeff Halper is passionate for Landscaping and wants to share infomation about that passion. At Exterior Worlds you can read more about. Jeff Halper's top article generates over 18100 views. Bookmark Jeff Halper to your Favourites.
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