615 Septic Tank Pumping

Septic Effluent Filter Cleaning in Nashville, TN

The cheapest component in the system, and the one whose neglect most often looks like a failing drain field.

Call (615) 234-9048 Estimate the cost

from $0

Cleaned as part of a pump-out at no separate charge; replacement $230–$280 if the filter is damaged or missing

Septic Effluent Filter Cleaning 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 septic effluent filter cleaning is one of the services it provides across the county. The cheapest component in the system, and the one whose neglect most often looks like a failing drain field.

When people call us about this

These are the situations that bring most septic effluent filter cleaning calls in:

  • Drains slowing gradually over weeks
  • Backup shortly after a pump-out
  • A filter that has never been cleaned since installation
  • Tank installed recently but no filter maintenance record
  • Effluent carrying visibly to the outlet

What is included

Every septic effluent filter cleaning job includes all of the following. Nothing on this list is an upsell presented once we are on site.

  • Outlet baffle located and the filter cartridge withdrawn
  • Filter rinsed back into the tank so nothing washes to the field
  • Cartridge inspected for cracking, warping and missing sections
  • Filter housing checked for seating and displacement
  • Replacement fitted where the cartridge is damaged or absent
  • Assessment of whether a tank without a filter should have one fitted
  • Cleaning interval advised against your household loading
  • Done as part of every pump-out, not sold as an extra

What it costs, and what moves the price

Filter replacement runs $230–$280. Cleaning is included in our pump-out. Set against a $7,000–$15,000 drain field, it is the highest-leverage maintenance on the system.

The published range for this service is Cleaned as part of a pump-out at no separate charge; replacement $230–$280 if the filter is damaged or missing. 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 septic effluent filter cleaning runs, start to finish

  1. 01

    Access through the outlet

    The filter sits inside the outlet baffle — the side facing the drain field, not the house. That is where we go in, through the outlet riser or rear inspection port.

  2. 02

    Rinse into the tank

    The cartridge is rinsed back into the tank so the captured solids stay where they can be pumped, rather than being washed toward the field.

  3. 03

    Inspect the cartridge

    Filters crack and warp with age. A cartridge that looks intact from above can be split at the base and passing everything through.

  4. 04

    Advise the interval

    Most households need the filter cleaned at every pump-out. Heavy users, garbage disposals and high-occupancy properties need it more often.

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

Decision Guide

What is a septic effluent filter and does my tank have one?

The cheapest component in the system, protecting the most expensive one. Many local tanks do not have it at all.

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

How do I know if my septic baffle has failed?

You almost certainly cannot tell from the surface — which is exactly why this failure is so expensive.

Need septic effluent filter cleaning 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

Septic Effluent Filter Cleaning — questions people ask

What is a septic effluent filter and does my tank have one?

It is a cartridge that sits inside the outlet baffle, on the drain-field side of the tank, catching fine solids before they reach the field. Tanks installed in recent decades usually have one; many older Davidson County systems, particularly those from the 1970s to 1990s, were never fitted with one at all. We check on every visit.

What happens if the filter is never cleaned?

It blocks. A blocked filter backs effluent up into the tank and then the house, which is why a backup shortly after a pump-out so often turns out to be a filter nobody touched. The failure is inconvenient but harmless to the system — far better than the alternative, where no filter exists and solids reach the field.

My tank has no filter. Should I have one fitted?

In most cases yes. Fitting a filter to a tank that lacks one is inexpensive relative to a drain field, and the field is what it protects. On a system already showing field distress it is a sensible part of stopping further damage, though it will not reverse damage already done.

How often does the filter need cleaning?

At minimum every pump-out, so every three to five years. Households with a garbage disposal, higher occupancy or a smaller tank should have it done more often — and if you have ever had a slow-drain episode that cleared by itself, the filter is the first thing to check.

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

Residential Septic Tank Pumping

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

Septic Baffle Repair

Corroded and displaced baffles send solids straight to the drain field for years before anything shows up at the house. This is the repair that prevents the expensive one.

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