Geez, I read the whole thread. Quite the stories. I didn't know you could do anything for a clogged leach field. This is my first place with a septic tank (it's only 5 years old or so). I can second that part about being upwind from the truck. I was able to find the cover myself under the lawn, thankfully. The guy had what looked like a big weedwacker on a long stick to break stuff up in the tank.