As promised almost a year ago, here is the update on what's happened with my small garden ponds
project(s)
In all I built 4 small garden ponds, more like frog ponds, using 4 different recipes for "gleying";
They all held
water with varying degrees of seepage over the summer, but not to worry, they'll eventually seal... right?
What I learned about gleying ponds is as follows;
1) It is of the utmost importance to check the Geology in your area, soil types, and depths
2) Your climate has more to do with the success of your
pond being able to hold water, seals in shallow ponds do not survive -40 C. So every winter the ice crystals expand and there goes the seal.
3) There are very different types of clay, with different properties and that goes back to the Geology in your area.
4) My area was part of a glacial sea, my property is sitting on rough terrain bedrock, has shallow non calcareous sandy loam, we have heavy precipitation and -40 C winters. This makes for "slip" terrain on higher ground, so my garden pond's never had a chance. I cannot seal by gleying, so I've turned to plastic liners overlayed with clay, and the frogs love it.
I have one last spot to build a pond, at the very bottom of my acreage, nothing but clay left by the glacial sea, and right on the water table. There I dig to my heart's content and it fills of its own accord with water. I use the clay as a building material for other works on the property. Eventually I will have a pond, and a rather big one at that if I bring in an excavator to help it along.
Cheers! K