Septic Connections: Where Plumbing Ends and Septic Begins
The pipe from your house to the tank is plumbing. The tank, the distribution box and the drain field are not. Knowing which one is failing saves you paying the wrong trade.
Sewage surfacing in the yard is a health hazard. Keep people and pets away and call.
Boundaries, stated plainly
Two trades, one drain system
Roughly a quarter of Georgia households are on septic, and far more in the rural counties. A septic system has a plumbing half and a septic half, and Georgia licenses them separately for good reason.
Plumbing work, ours. All drain and waste piping inside the house. The building sewer from the house to the tank inlet. Blockages, roots, bellies and breaks in that line. Clean-out installation. Camera inspection and locating of the house-to-tank run. Venting problems. Fixture-level work. Reconnection when a tank is replaced or a sewer conversion happens.
Septic contractor work, not ours. Tank pumping and tank inspection. Baffles, filters and risers. The distribution box. Drain field and leach field evaluation, repair or replacement. Percolation testing and system design. Permits for septic installation, which in Georgia run through county environmental health.
Why the distinction matters practically: the symptoms overlap almost completely. A house that drains slowly might have a root-filled building sewer or a drain field that has stopped accepting water, and those are different contractors with different equipment. Cabling a line that is not blocked achieves nothing, and pumping a tank that is not full achieves nothing either.
What we will do is diagnose which side of the line your problem is on, and say so, including when the answer is "call a septic contractor, not us."
Know your last pump-out date
Typical guidance is every three to five years depending on tank size and household. If nobody in your household knows when the tank was last pumped, that is the first question to answer before spending anything on drain work.
Diagnosis
Which half of the system is telling you something
One fixture slow, everything else fine. Fixture or branch. Nothing to do with the septic system at all.
Everything slow, no smell outside, no wet ground. Could be either. A camera in the building sewer settles it quickly: if the line is blocked, that is plumbing; if the line is clear and the tank is full to the inlet, that is septic.
Blocks at the same distance from the house, repeatedly. The building sewer, roots at a joint, or a belly. Plumbing. See root intrusion removal.
Soggy ground or lush green grass over the drain field. The field is not accepting water. Septic contractor, and often a significant job.
Sewage smell outdoors near the tank or field. Septic side. Smell indoors is usually a dry trap or a venting fault, which is plumbing.
Backups that coincide with heavy rain. On septic, a saturated drain field cannot accept effluent when the ground is already full. Septic side, though groundwater entering a cracked building sewer adds to the load and is plumbing.
Gurgling in fixtures, drains running slower over months. Progressive, and usually the tank filling or the field failing. Get the tank checked before paying for drain cleaning.
Sewage surfacing in the yard. Stop using water, keep people and pets away, and call. This is a health hazard and usually a septic-side failure, though a broken building sewer can do it too.
Not sure which trade you need? That is a diagnosis, and it is worth getting right before spending.
Get It DiagnosedThe pipe we work on
House to tank: same failures as any sewer
Same story as a city lateral
Old clay or cast iron joints leaking moisture, trees within reach, roots inside the pipe. On septic properties the runs are often longer and through more planting, so root intrusion is if anything more common. Cutting, jetting, then camera, and repair at the entry point if you want it to stop.
Grade matters even more here
A building sewer needs consistent fall to the tank inlet. Georgia clay moves, a section settles, solids drop out in the sag and it blocks there permanently. Lining will not fix it; that run has to be re-laid to grade.
Vehicles, digging and shallow runs
Rural properties drive over more of their own ground. A shallow building sewer under a track, a trailer parking spot or a new driveway takes loads it was never laid for. Fence posts and landscaping do the rest. Locate before you dig, including your own digging.
Often missing entirely
Many older septic properties have no accessible clean-out between house and tank, which makes every clearing and every inspection harder and more expensive. Fitting one is a modest job that pays back on the first visit after it.
One caution specific to septic: jetting a building sewer is fine, but there is no point jetting into a tank that is full, and high pressure should not be used to push solids where they should not go. That is why the tank status question comes first.
Septic to sewer
Connecting to public sewer when it arrives
As Georgia's suburbs extend, public sewer reaches streets that have always been on septic. Sometimes connection is mandatory within a set period; sometimes it is optional but sensible, particularly if the existing system is ageing or the property is being sold.
What the work involves. A new lateral from the house to the public main at the point of connection, at correct depth and fall, with a clean-out. Abandoning the old system properly, the tank pumped and either crushed and filled or removed, according to county environmental health requirements. Reconnecting the building drain to the new lateral. Permits from both the sewer authority and, for the abandonment, environmental health.
Costs to expect. A connection or tap fee from the sewer authority, which can be substantial and is entirely outside a plumber's control. The excavation and pipe work, which depends on distance, depth, and what is between the house and the street. Tank abandonment. Restoration of the ground, driveway or paving. And ongoing sewer charges thereafter, which septic owners have never paid.
Worth considering. Whether the existing drain field could be repurposed once decommissioned, whether the route can avoid a driveway, and, if a large tree sits between house and street, whether boring rather than trenching preserves it. Also whether a new lateral is best routed on a different alignment from the old septic line entirely.
What we can and cannot do. The plumbing (the new lateral, the connection, the reconnection at the house) is ours. Tank decommissioning is generally the septic contractor's, coordinated with ours. We will say clearly which parts of a quote belong to which trade.
Ownership
What actually keeps a septic system working
- Pump the tank on schedule. Every three to five years for most households. It is the single most effective thing you can do, and skipping it is what destroys drain fields, solids carry over and clog the field, which is the expensive failure.
- Know where everything is. Tank, lids, distribution box, field. Keep a sketch. It saves money on every visit and prevents someone building a patio over an access lid.
- Nothing down the toilet but waste and paper. Wipes, cotton products and paper towel do not break down and go straight to the tank as solids. This matters more on septic than on sewer.
- Go easy on the disposal. A garbage disposal substantially increases solids loading and shortens the pumping interval. See garbage disposal repair.
- Spread out the water. Four loads of washing in one day can hydraulically overload a tank and push solids into the field. Spread laundry across the week.
- Keep traffic and planting off the field. No vehicles, no trailers, no sheds, no patios, no trees. Grass is the correct cover.
- Keep rainwater away. Downspouts and surface drainage directed away from the field. A saturated field cannot accept effluent.
- Do not bother with additives. A functioning tank has the bacteria it needs. No additive substitutes for pumping, and some do harm.
- Fix leaking fixtures. A running toilet on septic sends hundreds of gallons a day into the tank and field. On septic, a leak is not just a bill.
Line from house to tank is ours. Tank and field are a septic contractor's. We will tell you which you need.
Book Drain DiagnosisQuestions we get on the phone
Answered plainly
No. Tank pumping and inspection, baffles and filters, the distribution box and the drain field are licensed septic contractor work, and in Georgia that is regulated separately through county environmental health. What we do is everything on the plumbing side, including the building sewer from the house to the tank inlet, and we will tell you clearly which one your problem is.
Either, and the symptoms overlap almost completely. The fastest way to settle it is a camera in the building sewer: a blocked line is plumbing, and a clear line into a tank that is full to the inlet is septic. If nobody knows when the tank was last pumped, that question comes before spending on drain work.
Every three to five years for most households, depending on tank size and occupancy, a septic contractor will advise for your system. It is the most important maintenance there is, because skipped pumping lets solids carry over into the drain field, and a clogged field is the genuinely expensive failure.
The field is no longer accepting water properly, effluent is surfacing. That is septic-side work and it needs a septic contractor rather than a plumber. Keep people and pets off the area, reduce water use in the house in the meantime, and get it assessed promptly.
A new lateral from the house to the point of connection at correct depth and fall with a clean-out, reconnection of the building drain, and proper abandonment of the old tank to county requirements. Budget for the sewer authority’s connection fee, which is often the largest single item and is set by them, not by any contractor.
You can, but it increases solids loading on the tank noticeably, which means shorter pumping intervals and more demand on the drain field. If you use one heavily, plan on more frequent pumping and be strict about what goes into it. Composting food waste instead is measurably kinder to the system.
Septic property with a drain problem?
We will find out whether it is the line or the tank before you pay the wrong trade.
(866) 559-0826