*sigh* Looks like projects will be on hold for awhile. Extreme pain overnight, so saw my doctor today. He put me on flexeril 3x daily, and that stuff makes me really dopey. The good news is he thinks its just a badly pulled muscle, but when I woke up this morning it felt more like the rod in my femur was trying to claw its way out through my hip! I have to keep walking to a minimum, because even just boiling some spaghetti tonight was enough to send me back into pain this evening.
I did manage to get out and look at the pond today, though, and the water quality is definitely improving. Much less sediment floating in the water now. Its not crystal-clear, but at least it looks drinkable now.
I've been thinking about a new project for next year to try and put my graveled areas to better use. I'm considering laying down some small 3/4" sprinkler pipe (drilled for water flow through the sides) into the river bed, and bury it in the gravel. Then hook it to a small (maybe 500gph?) submersible pump that I can drop in the bottom of the larger pond. Seems like this would help stir up any sediment that gets into the gravel, and help ensure a good water flow from the bottom of the pond. On top of that, the gravel bed would have more functional surface area for filtering the water - more like a properly built bog. Anyone think this would work, even with the fast flow of water over the top of the gravel? The gravel itself is only a couple inches deep, but anything I can do to utilize it for filtering the water would be great.