The soil at the Trau Kod Dam site is a bit inconsistent, and we've heard reports of past flooding on the "dry" side of the dam. Now we're measuring the permeability of the soil at a few locations to determine what can be done to address this.
The bore hole permeameter is based on some fancier specifications from the US Bureau of Reclamation, but our building supplies were limited to whatever we could find at the local market. We built this thing using a big garbage can, some clear plastic tubing, and a plastic valve. Not too bad as far as improvised engineering goes.
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