To create a nice "average" looking waterfall or stream, Important - the feet of head is the distance from the surface of the water level in the pond to the top of the waterfall.
To understand this you need to remember that water is heavy at 8 pounds per gallon - and the higher a pump has to push the water the less volume it will provide.
Next to each of our pumps will be a chart showing how many GPH (gallons per hour), GPM (gallons per minute) that pump will provide at 5' of head, 10' of head, etc. If you want more quiet waterfalls, make your waterfalls clear with cut stone or slate, and have the water fall into a pool, or pond. For example if you are trying to cover up road noise - make your waterfalls from jagged stone and have most, or all the water landing on a boulder, or stones before entering a stream or pond. So when designing your waterfalls, first decide what the look you are going for, then decide how quiet or loud you want it to be. Clear waterfalls are more quiet then white water waterfalls.Ī waterfall landing in a pool of water will have a more quiet sound than water falling onto stones. Jagged edge stone creates more "white water" waterfall. Smooth edge stone, or slate creates a "clear" waterfall. For waterfalls made of water falling off boulders, 200-500 gallons per hour per inch wide of waterfalls will create a nice white-water effect. Waterfalls made of water falling off cut stone, 100 to 150 gallons per hour per inch wide of waterfall will work. For more noise and "white-water" from your falls, increase the flow rate to 200 gallons per hour per inch of waterfall width. For waterfalls and streams, your pump should pump at least 100 gallons per hour for every inch wide the waterfall is.
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