Septic Tank Replacement in Asheville, NC
Asheville Drain Field Pros is a septic system contractor replacing tanks and drain fields, installing complete systems, building mound and alternative systems, arranging soil testing and design, repairing lines and baffles, and doing commercial septic work. We serve homeowners, cabin owners, and small commercial property across Buncombe, Madison, and Henderson counties, North Carolina.
We set precast concrete tanks where a truck and boom can reach the hole, and Infiltrator IM-series poly tanks where the drive is too steep or too narrow for one. Every replacement leaves with a Polylok effluent filter in the outlet tee and Polylok risers carrying both lids to grade, so the next service call needs a screwdriver instead of a probe rod and a spade. A tank set that way protects the field behind it. Set that against an old tank with a rotted outlet baffle, quietly passing solids into ground that was never meant to receive them.
Baffles Are the Part Nobody Looks At
The inlet baffle drops incoming flow down into the tank instead of letting it shoot across the surface and stir up what has settled. The outlet baffle draws liquid from the middle of the tank, below the floating grease and above the sludge. Concrete baffles rot off. Steel tees corrode. Once either is gone, the tank has stopped separating anything, and everything it was holding heads for the field.
Cracks, Seams, and Groundwater
A cracked tank works in both directions. Effluent leaks out where it should not, and on a wet mountain lot groundwater leaks in. Water coming in is the sneakier problem, because it fills the tank from outside and pushes that extra volume straight through to the field. A system that suddenly cannot keep up after a wet spell sometimes has nothing wrong with the field at all.
Pumping Down Before Removal
This is the one place we pump. A tank has to be emptied before it is dug out or crushed in place, so a pump-down is part of a replacement. That is not a maintenance service and we are not the people to call for a routine cleanout. An old tank left in the ground gets its lid removed, gets pumped, and gets filled so nothing can collapse into it later.
Booking
Tank work moves faster than field work, because a like-for-like replacement is a smaller permitting question than a new field. We still confirm what your county wants before the machine arrives. Call (828) 555-0119.
How do I know if my septic tank needs replacing?
Four things send a tank to the scrap pile. A lid that has corroded or cracked, which is a falling hazard before it is anything else. Baffles that have rotted off the inlet or outlet, so the tank no longer holds solids and grease where they belong. Cracks and open seams letting groundwater in or effluent out. And an inlet or outlet connection crushed by settlement. A pumper who opens your tank will usually spot all four in one visit and tell you which ones you have.
Concrete or plastic: which septic tank is better?
Both work, and access usually picks the winner rather than performance. Precast concrete is the default here. It is heavy, it stays put, and it does not care about a high water table. It also needs a truck and a boom that can reach the hole, which rules it out on plenty of mountain lots. A molded polyethylene tank is light enough to carry to places concrete cannot go, and it needs careful bedding and backfill because it is the ground around it that holds it in place.
What does an effluent filter do?
It sits in the outlet tee and catches the small solids that would otherwise ride out of the tank and into your field. Those solids are what end a field early, because they plug the soil interface that is supposed to be doing the treating. A filter costs almost nothing next to a field, and it screws out for cleaning at pumping time. Older tanks around here often have no filter at all, and that is the cheapest upgrade on this whole site.
Is a cracked septic tank lid dangerous?
Yes, and treat it as the emergency it is rather than a repair to schedule. A concrete lid that has corroded around its rebar can hold a person's weight right up until it does not, and what is under it is a tank of liquid with no footing. Keep children, animals, and equipment off it. Put something heavy and obvious over it, weighted so it cannot be slid aside, and call. Replacing a lid is a small job compared with what it prevents.