Posted 10-11-2003 at 14:43:54
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An easy way to do it would be to get some bales of hay or straw and stack them tightly together over the tank. Or maybe that would be the perfect place for a compost pile.
If a septic tank is working properly, it produces quite a bit of heat from the bacterial action going on inside it, digesting the solids. That is why the snow melts first over the septic tank and the grass stays green there.
Have you, or any of your neighbors had trouble with septic systems freezing up? If so, I would suspect that they should be buried deeper. But having your tank really deep sure makes it inconvenient when you have to dig it up for pumping.
If you, like some of my neighbors, have been forced to install a pressure mound instead of a conventional drainfield, I could see the possibility of effluent freezing in the main outlet pipe and the system stopping up. A relatively easy fix for this would be to put a waterproof heat tape around the pipe where it is vulnerable. I sure am not impressed with those pressure mounds.....lots of hassle and expense.
Hopefully you would never have a problem. Good luck.