I am going to get my books out and research, but can I just create a shelf of soil with a depression in it, and rock around to support? Or should I put something more substantial in to create the bowl? (Liner over all, of course.)Looking at you excellent sketch, I would say that your 'turkey platter' plunge pool will need to have a water depth of 6" to 8" to minimize water loss due to splashing.
I've got a big bottle of Motrin PM ready and waiting!oh the work involved and the sore muscles that will come with it
but can I just create a shelf of soil with a depression in it, and rock around to support?
Thank you!!!!!You will have ample spoil from excavating the pond to create whatever size mound that you may need for the waterfall. Create whatever size depression that you deem appropriate in this mound for the plunge pool, cover with liner, add rocks and plants and you are good to go.
If you create the mound with a gentle slope, the plunge pool will be supported by the surrounding soil. Similar to this photo:
View attachment 94967
Doing it this way will keep the height of the waterfall in scale with the pond and will also blend in much better with the surrounding landscape.
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