Excavation and Septic in Massena, New York
Massena is the biggest town on the western side of our run, sitting square on the St. Lawrence clay plain.
Massena is a straight run west from Moira and one of the larger towns we cover. We put in septic systems, dig and pack building pads, clear lots, cut in driveways, and trench water, power and drainage for homeowners on rural ground around the town.
On this ground the septic design, the grade around the house and the drainage are not three separate problems. They are the same problem, which is why they are worth planning together rather than bidding separately.
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The Clay Plain Is The Whole Story
Massena sits on the St. Lawrence glacial marine plain. When the ice pulled back at the end of the last glaciation, seawater flooded these lowlands as the Champlain Sea, and it left behind deep calcareous estuarine and glaciolacustrine clays. The result is soils that are clayey right through the profile and range from moderately well drained down to poorly and very poorly drained. It is why this was good farm country and why it is demanding ground to build on.
Clay holds water. It stays saturated well into spring, it is slow to accept anything soaking down through it, and it moves when it is loaded wet. For excavation that means being deliberate about timing, about compaction under a pad, and about where run-off actually goes once you have put a roof and a driveway on a property that used to absorb its own rainfall.
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Septic Systems On Clay Ground
New York's septic rules run straight into the clay plain. Appendix 75-A requires four feet of usable soil above groundwater and bedrock, at least two feet between the bottom of the absorption trenches and any limiting layer, and a soil profile evaluated to six feet. Poorly drained clay with a high seasonal water table frequently cannot deliver that in the ground as it sits.
When it cannot, the field gets built up above natural grade in imported fill that percolates between five and thirty minutes per inch, so the wastewater is treated in decent material rather than sitting in clay that will not take it. That is a bigger job than a straightforward in-ground field: more fill hauled in, more machine time, more of your budget. Only the soil and site evaluation on your particular lot can confirm what you are dealing with, and it is worth having done early.
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What We Do In Massena
Everything on a home site except the building itself. Pick the piece you need, or hand us the whole lot.
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Septic Systems
Massena Questions
Because the town sits on the St. Lawrence clay plain, where deep marine and lake clays drain poorly and the seasonal water table runs high. New York requires four feet of usable soil above groundwater and bedrock, and where the ground cannot give that the field has to be built up in imported fill instead. The soil test on your lot is what settles it.
It can if the grading and drainage are treated as an afterthought. Clay holds water, so the ground around a house has to be shaped to move water away and drain lines have to actually go somewhere. Done properly it is not a problem, it is just work that has to be done.
It is a normal run for us from Moira, west along Route 37 and the roads off it. Call and we will come look at the property.
The clay plain pushes a lot of properties toward a raised design, which published New York figures put at roughly $20,000 to $35,000 against $8,000 to $15,000 for a conventional system. That is a big enough difference that it belongs in your budget before you commit, and only the soil test can tell you which one you are looking at.
Anything but a saturated spring, if the schedule allows. Running loaded machines over soaked clay churns up a site and costs you compaction. We will give you a realistic window when we quote.
Other Towns We Cover
Massena is one stop on the run. The full list is on the service areas page.
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