615 Septic Tank Pumping

Residential Septic Tank Pumping in Nashville, TN

Scheduled pumping for Davidson County homes, with the tank opened, both baffles checked and the sludge and scum depths recorded before we leave.

Call (615) 234-9048 Estimate the cost

from $375

$300–$525 for a typical 1,000-gallon residential tank

Residential Septic Tank Pumping in Nashville, TN
  • Tenn. Comp. R. & Regs. 0400-48-01-.20 governs septic pumping contractors
  • Davidson County administers its own septic program as a TDEC contract county
  • Tennessee guidance: pump every 3–5 years
  • Grease traps serviced every 30 days · interceptors every 90
  • Sludge and scum depth recorded on every visit

Last updated: August 31, 2026

615 Septic Tank Pumping is a septic tank pumping company serving Nashville and Davidson County, Tennessee, and residential septic tank pumping is one of the services it provides across the county. Scheduled pumping for Davidson County homes, with the tank opened, both baffles checked and the sludge and scum depths recorded before we leave.

When people call us about this

These are the situations that bring most residential septic tank pumping calls in:

  • Drains across the house slowing at the same time
  • Gurgling from the lowest drain when the washing machine empties
  • Grass over the tank or field greener and faster-growing than the rest of the yard
  • Odour outdoors near the tank or field after rain
  • Three or more years since the last pump-out with no record of what was found

What is included

Every residential septic tank pumping job includes all of the following. Nothing on this list is an upsell presented once we are on site.

  • Locate and uncover both tank lids, including hand-digging where a lid is buried
  • Full pump-out of liquid, scum and settled sludge — not a partial liquid draw-down
  • Sludge and scum depth measured and recorded before pumping
  • Inlet baffle inspected for the corrosion that lets solids run to the field
  • Outlet baffle and effluent filter inspected, and the filter rinsed back into the tank
  • Tank walls and lids checked for cracks, root intrusion and infiltration
  • Backflush of the tank and a check that the inlet line runs free
  • Written record of tank condition, depths and the interval we recommend next

What it costs, and what moves the price

Tennessee septic pumping runs $275–$525; Davidson County homeowner-reported figures span $199–$796. Access difficulty is the single largest swing factor.

The published range for this service is $300–$525 for a typical 1,000-gallon residential tank. We give you a band before we come out and a firm number before we do anything that changes it. If you want a figure right now without talking to anyone, the cost estimator takes three questions.

How residential septic tank pumping runs, start to finish

  1. 01

    Call and scheduling

    You tell us the property, roughly when the tank was last pumped and what the house is doing. We give you a price band before we come out and confirm what could move it.

  2. 02

    Locate and open

    We find both access points. If risers are fitted the lids are at grade; if not we probe and hand-dig to the lid, which is the most common reason one job costs more than another.

  3. 03

    Pump and inspect

    Depths measured, then the tank is pumped down completely and backflushed. Both baffles and the effluent filter are inspected while the tank is empty and visible.

  4. 04

    Report and interval

    You get what was in the tank, the condition of the baffles and filter, anything that needs watching, and a pumping interval based on your tank size and household — not a generic three years.

Doing it yourself, hiring cheap, and doing it properly

The difference between a cheap pump-out and a proper one is not the truck. It is whether anybody looked inside the tank while it was empty.

  Doing it yourself Cheapest quote Done properly
Solids actually removed Surface liquid only — no way to remove settled sludge Liquid draw-down; tank looks emptied, sludge stays Liquid, scum and sludge pumped, then backflushed
Baffles inspected Not visible without emptying the tank Rarely — the tank is not pumped down far enough to see them Both baffles inspected while the tank is empty, and reported
Effluent filter Usually not known to exist Left alone Removed, rinsed back into the tank, inspected, replaced if split
Interval set by Guesswork or a number off the internet A flat three years for every customer Measured sludge and scum depth against your tank capacity
Disposal of septage No lawful route for a homeowner Varies — ask where it goes Licensed disposal under Tennessee pumping contractor rules
What it costs Nothing up front Slightly less than proper $300–$525 typical
What it risks Solids reach the drain field. Field replacement $7,000–$15,000+ Same failure, delayed. The field pays for the saving The field is what you are protecting

Worth reading before you book

Cost Guide

What does septic tank pumping cost in Nashville?

Published ranges for Davidson County, what actually drives the price up, and the figure nobody quotes you against.

Decision Guide

How often should a septic tank be pumped in Tennessee?

The standard answer, why it is only a starting point, and how to work out the interval your tank actually needs.

What To Do Now

What are the signs a septic tank is full?

Systems signal for months before they fail. Here is the sequence, and where in it you currently are.

Decision Guide

What happens if you never pump your septic tank?

The tank keeps working long after the damage starts. That is exactly why this failure is so expensive.

Cost Guide

Why is septic tank pumping so expensive?

A breakdown of where the money goes, and why the cheapest quote is often the most expensive thing you can buy.

Need residential septic tank pumping in Nashville?

Call for a price, or use the estimator if you would rather not talk to anyone yet.

Call (615) 234-9048 Get a price

Residential Septic Tank Pumping — questions people ask

How often does a Davidson County septic tank need pumping?

Every three to five years for most households, and every two to three where there is a garbage disposal, a larger household or a smaller tank. The interval depends on tank size against daily flow, which is why we measure sludge and scum depth on every visit and give you a number based on your tank rather than a rule of thumb.

What makes one pumping job cost more than another?

Access, almost always. A tank with risers bringing the lids to grade is quick. A lid buried under eight inches of soil, a deck, or landscaping adds hand-digging, and national cost data puts that surcharge at $50–$200. Tank size is the second factor: a 1,500-gallon tank holds half again what a 1,000-gallon tank does.

Do you pump the tank completely or just the liquid?

Completely. A liquid-only draw-down leaves the settled sludge that actually threatens your drain field, and it makes the tank look serviced while the problem stays put. We pump liquid, scum and sludge, then backflush.

Can you pump if you cannot find the lid?

We locate the tank as part of the job — probing from the outlet line and the house's plumbing exit. If the tank has been paved or built over and cannot be reached, we will tell you before any digging starts rather than after.

How do you price the work, and will the price change once you are here?

You get a range before we come out, based on your tank size and how buried the lids are. Tennessee pumping runs $275–$525 and Davidson County figures span $199–$796, so the honest answer is that access and capacity move it. If we open the tank and find something that changes the job — compacted sludge needing a clean, a corroded baffle, a split effluent filter — we tell you what it costs and let you decide before we do it. We do not do the work and present the bill afterwards.

Related services

Septic Tank Cleaning

A step beyond pumping: the tank is emptied, then the walls, baffles and floor are washed down and the hardened scum mat and compacted sludge are broken up and removed.

Septic Tank Inspection

A documented assessment of tank, baffles, filter and field condition — for owners who want to know where they stand rather than wait for a symptom.

Septic Tank Riser Installation

Bringing buried tank lids up to ground level so every future service is a two-minute open instead of an hour of digging.

Call (615) 234-9048 — a person answers