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What is the accepted attitude towards placing a water main supply line through a footer then under a slab to feed the house?
We have a 20-year-old berm house (so we are living on the slab) with the main supply line running under the slab. The slab floats free of the footers. (That's a whole other discussion.) We have develped a leak (800 gallons a month) between the main valve at the road and the main shutoff in the house. Question is: Is the leak in the plastic pipe from the road to the house entry point or from the house entry point under the slab to the valve? About 20 feet of schedule 40 PVC runs under the slab.
BTW: No soil here. Just clay and rock.
Any thoughts on this rather immediate issue? We may be excavating soon.