Getting rid of water

Our sump runs all the time in the basement. The result is that we always have soggy places in our yard where we put the outlet tube. Compounding this is the fact that the water table seems to be high here, so low places on our property are prone to being soggy anyway, after rains and such. We live in a rural area with no city service such as storm drains.
Over the summer, we found some old field tile in the yard and it seemed to be "working" in that I could stick the garden hose in there and it would seemingly take as much as I could dump in. We decided to tie the sump outlet into this tile, and ran it through some perforated tile along the way thinking that we could maybe dry up the yard a little while we're at it.
It seemed to be working until recently (spring) when the perforated section began overflowing and causing water to pool up above where it is. We have a lot of snow that is melting right now. The hole where we dug down to the tile is still open since we never got around to filling it, and it is full of water all the way up to about 4-6" below the surface of the yard. I dug another small hole nearby, and it fills in with water at that depth too. It seems as though the whole water table is barely below the surface of the yard.
I have two questions after all that. How the heck might we get rid of all this water? And second, how can our septic tank still be functional with the water so high? Could it be that in clay soil, the water level can be significantly different within a few hundred feet?
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You might contact a county agent or local pier drilling contractor to see if anyone in your area has tried punching a dry well. It is sometimes quite effective to drill a large diameter and deep hole and fill it with gravel to drop the water table in a limited area. Your sump piping should deliver water to daylight or to a well graded area, it sounds a bit like you are pouring your own water back in.
Clay is not good about allowing surface water percolate into the subsoil. I, too, wonder how your septic system seems to work with the problems you indicate. I assume you have drainage away from the house for gutters/downspouts, you don't hold water against the building, you don't have flower beds and plantings against the house.
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DanG wrote:

I considered something like this, but the concern is with mixing surface water with the well water people drink. I simply don't know whether the two currently mix, or if we have a layer of clay or rock between the two.
Your

Well, it's possible, but my thought was that the tile took the water someplace "else". There are retaining ponds fairly close, there just happens to be 3-4 properties in between.

Yeah, we graded away from the house and all the downspouts run far away. The sump runs year round, even when the grass is dying from lack of rain. It's a strange situation.
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I am lucky to live on the side of a hill, inasmuch as the water runs down and away. However, when we moved here the place was damp because of the water running through cracks in the clay and into the back of our home. We solved the problem by making a French drain right across the top of the property, its about six feet deep and twenty five yards long. While we were digging we could see the water running through the clay and into the drain.Now all the water is diverted round our home and away. This is also how our septic tank works as the lines were dug in clay. If you dig a large hole and study how the water arrives and departs, you may well solve your problem. Perry
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