Remember before you start any project be sure the area is void of utilities. Use a can of spray paint if possible and paint an outline of your project. Get it close to level but don’t worry about getting things perfectly level at this point, we will do that in a later step. Place your waterfall filter unit or water diffuser at the desired height you wish your stream to start. Now that you have all of your dimensions figured out and you’ve decided on a location it’s time to get to work.
This way you can be sure all of the pieces are sized right and will fit together perfectly, and you won’t forget anything. Your best option is to get a pondless waterfall kit. This helps protect the liner from shifting rocks and roots underneath the liner once it is in place.
You can purchase precut liner in various sizes, just don’t forget to order the geotextile underlayment to go with it. If you do this now before you break ground, there is a good chance everything will show up right when you are ready for it. Ok, you know how much liner you will need, it’s time to order your materials. It is better to be oversized than undersized. Dig a hole with the dimensions of 6’wide X 4’long X 2’deep and it would offer a 360-gallon reservoir. This is calculated by taking the gallons of water in the reservoir and dividing by 7.5. In the case above example the reservoir would need to be approximately 48 cubic feet. 25’ (3inches) deep X 7.5 = 112.5 gallons of water in the stream and waterfallġ12.5 X 3 = 337.5 gallons of water in reservoir Here is an example: For a 3’ wide stream that is 20’ long with an average depth of 3”ģ’wide X 20’length X. To calculate water volume, the formula is Length X Width X Depth X 7.5 = water volume in gallons This will ensure that your pump doesn’t take on any damage due to it running dry. The rule of thumb for the size of your reservoir is to have three times the volume of water your stream and waterfall hold. Keep in mind, dirt that has been freshly disturbed is going to settle, so compact it as you go as best you can. If your plan is to incorporate a waterfall, more dirt may need to be brought in. If you are starting on level ground, you will create a pitch by placing the dirt you excavate from the reservoir to the start of your stream. Be sure to put a thin layer of dirt, or even a piece of old carpet over top of them to act as a cushion between the blocks and the liner.Īlthough the rubber liner is very durable, I would rather not take my chances with a tear due to the liner rubbing on the course cinder blocks. You could use them throughout as you step down from start to finish. When they are placed on undisturbed ground they will settle very little. Instead of using dirt under your starting point, stacked cinder blocks work very well. Or you could order a few yards of top soil to help with raising the elevation. The higher your waterfall the deeper you will need to dig to provide the right amount of excavated dirt for your drop off. If you are starting with level ground this could be a challenge. If your goal is a robust waterfall with ledges and spill overs, then you will need to increase your elevation from start to finish. Move the hose around until it looks exactly the way you want it to. Use a garden hose to outline either side of your waterfall or stream. Once you have decided what you want, and where you want it, it’s time to lay out your project. It creates a beautiful backdrop without completely taking over. The above image is a stream at a venue for a wedding. Just the mere sound of water winding down over the rocks to its destination is a tranquil sound that won’t completely disrupt the atmosphere, and adds a bit of seemingly natural ambiance to the space. When going the pondless route, you may not find a need for a waterfall at all. Just keep this in mind if you plan on a roaring waterfall next to your outdoor dining area. The sound of the water eliminates the chance of someone eavesdropping in on what you are saying. I have noticed from personal experience that conversations around my waterfall are somewhat private. This is important to keep in mind when choosing location. The white noise it creates almost completely eliminates any other sound from the space. I had no idea the impact a waterfall had on the noise, even in the outdoors. A stream with rushing water is one thing, but if a waterfall is added it’s entirely something else as far as sound is concerned.
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