Commercial Septic Pumping in Nashville, TN

Scheduled pumping for businesses on septic — offices, churches, daycares, campgrounds and rural commercial premises — routed outside your operating hours.

from $650

$550–$1,400 depending on tank capacity, with multi-tank sites quoted per visit

Commercial Septic 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 commercial septic pumping is one of the services it provides across the county. Scheduled pumping for businesses on septic — offices, churches, daycares, campgrounds and rural commercial premises — routed outside your operating hours.

When people call us about this

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

  • Slow drains across multiple fixtures at a commercial premises
  • No documented service history for a leased building
  • Occupancy or use increased since the system was sized
  • A tank that has never been on a schedule
  • Odour complaints from staff or customers

What is included

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

  • Service routed outside your operating hours where the site allows
  • All tanks and compartments on the site pumped, not just the accessible one
  • Capacity assessed against actual daily flow and occupancy
  • Both baffles and any effluent filter inspected on each tank
  • Manifest and written service record for your compliance file
  • Assessment of whether the system is undersized for current use
  • Recurring schedule set to your loading rather than a generic interval
  • Single point of contact for multi-property portfolios

What it costs, and what moves the price

Commercial tanks are substantially larger than residential and are often multi-compartment or multi-tank, so pricing is by capacity and access rather than a flat residential rate.

The published range for this service is $550–$1,400 depending on tank capacity, with multi-tank sites quoted per visit. 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 commercial septic pumping runs, start to finish

  1. 01

    Site walk and capacity check

    We establish how many tanks the site actually has, their capacity, and what the daily flow really is. Commercial systems are frequently sized for an occupancy the building outgrew years ago.

  2. 02

    Schedule around your hours

    Pumping a daycare or a restaurant during operating hours is not workable. We route commercial work to suit the site, which is most of why businesses change provider.

  3. 03

    Pump and document

    Every tank and compartment is pumped and inspected, and you get a written record — because a commercial file with no service documentation is a problem waiting for an inspector.

  4. 04

    Set a real interval

    Interval is set from measured depths against your actual loading. An under-serviced commercial tank sends solids to a field that costs far more to replace than a year of pumping.

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

Need commercial septic pumping in Nashville?

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

Commercial Septic Pumping — questions people ask

How often should a commercial septic system be pumped?

Far more often than residential, and the interval is driven by flow rather than a calendar. A church used twice a week and a daycare running five days at capacity have completely different requirements from identical tanks. We measure depths against capacity and set the interval from that.

Do you service multiple tanks on one site?

Yes, and it matters. Commercial sites frequently have multiple or multi-compartment tanks, and servicing only the accessible one leaves the rest loading up. We establish what is actually on the site before quoting.

Do you provide documentation for compliance files?

Yes. Every commercial visit produces a written service record, and grease work carries a certified hauler manifest. Metro requires manifest use and three-year record retention for grease, and having the paperwork when it is asked for is the entire point.

Our system was sized before we expanded — is that a problem?

It is a common and serious one. A system permitted for an occupancy you have since exceeded will keep failing regardless of how often it is pumped. We will tell you whether you have a maintenance problem or a capacity problem, because the fixes are very different.

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

Call (615) 234-9048 — a person answers