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A few interesting facts: we used over 18 tons of boulders, rock and gravel to build the pond and stream; the pond is 16x20 and 2 feet deep at it's deepest point and holds around1,400gallons of water and is good for 150 inches of fish; )
the stream is about 40 feet long and about 3 feet wide; there is about 1,000 pounds of flagstone in the falls; we also got a couple pieces of limestone that totaled about 1,000 poundsto use for landscaping near the Biofalls
Once the rocks and boulders were in place, it was time to shovel 'potato' rock and gravel onto the horizontal areas.
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In this picture you can see that we've trimmed the liner and underlayment and Rocke has already started working on the stream which is 40 feet long. In the lower right corner you can see the 2 inch flexible, reinforced pipe that will be attached to the ball valve (white with red handle).
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I really wish I had taken some shots of Rocke digging the stream. He built it as a series of steps that work their way up to the Biofalls. Once he had them dug, we put down the liner for the stream. Rocke then put the pieces of flagstone in place for the falls and the rocks and boulders along the sides of the falls.
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Marilyn used a garden hose to hose the pond down. She just kept spraying it until the bottom level was full, at which point an old pump was used to pump the dirty water out. She did that 3-4 times, until the water was somewhat clear. Then we filled the pond and all the level places in the stream that would hold water.