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BIZBITE

Oil-Water Separator Cleaning

Auto shops, car washes, and industrial sites have one filthy compliance tank nobody wants to touch

Bottom line

Worth studying, but do not buy without strong local proof.

Oil-water separator cleaning companies pump sludge, grit, hydrocarbons, and wastewater from separators at car washes, fleet garages, fuel terminals, factories, and parking facilities. The surprise is ticket size: industry operators cite separator cleanouts that can reach five figures when tanks are neglected, while routine maintenance prevents environmental fines and flooding. It is an ugly vacuum-truck niche with sticky compliance-driven demand.

Acquisition score
Margin · multiple · SBA data
61Strong
Avg revenue
$650K/yr
$220K–$1.8M range
Profit margin
28%
~$182K SDE
Multiple
2–4×
of SDE
Est. buy price
$364K–$728K
startup: $90K–$280K

How It Works

Operators use a vacuum truck or trailer unit to pump separators, sumps, and pits on a scheduled basis. Revenue comes from per-cleanout fees, emergency callouts, waste transport, disposal markups, inspections, and bundled storm-drain or liquid-waste routes. Customers include car washes, dealerships, maintenance shops, industrial plants, and property managers that need records for regulators or insurers.

BizBite verdict

Watch / verify

Oil-Water Separator Cleaning has enough high-level data for a first look, but BizBite has not assigned a category-specific operating model yet. Treat the score as preliminary.

61Strong
low data confidence · 40/100medium financing fit

Why it may work

  • No strong positives yet. More verified data needed.

Be careful

  • !Source link status has not been verified yet
  • !No last-checked date yet
  • !No SBA category enrichment yet
  • !No category operating model yet
  • !Low data confidence

Deal Calculator

Priced off $182K SDE — can this deal service its own debt?

2.29×
DSCR · Lender-comfortable
Purchase multiple — 3.0× SDE ($545K)
Category range: 2×–4× SDE
Down payment — 10% ($55K)
SBA minimum equity injection is 10% for change-of-ownership
Interest rate — 10.50%
Typical SBA 7(a) range: 9.5–12% (prime-based)
Loan term — 10 years
Standard SBA 7(a): 10 years for business acquisition
Purchase price
$545K
3.0× of $182K SDE
Cash to close
$71K
$55K down + ~3% closing
Debt service
$7K/mo
$79K/yr on $491K loan
Cash-on-cash
145%
cash back in ~9 mo
Debt service coverage · what the lender sees
2.29×+$9K/mo after debt
Most SBA lenders want ≥1.25× coverage; 1.5×+ is a strong file.

SDE = revenue × margin estimate for this niche; it includes owner compensation, so budget your salary out of cash flow. Excludes working-capital injection, capex reserves, and taxes. Actual SBA terms vary by lender and borrower.

Pros

  • +Compliance-driven repeat work
  • +High ticket sizes when tanks are neglected
  • +Adjacent to grease, storm drain, and liquid-waste services
  • +Disgust factor limits casual competition

Cons

  • -Requires waste handling, manifests, and disposal partners
  • -Vacuum equipment is capital intensive
  • -Environmental liability must be managed carefully

Best For

Operators comfortable with environmental services, route logistics, and ugly work

Operating Costs

Major costs include vacuum truck payments, fuel, disposal fees, technician labor, insurance, PPE, permits, and admin time for manifests. Margins improve with dense recurring routes and bundled services at each facility.

Where to Buy

Crystal Clean – Oil Water Separator Cleaning

Provider page showing separator and sump cleaning as a commercial vacuum-truck service

Containment & Filtration Solutions – OWS Maintenance

Maintenance article noting separator cleanouts can become very expensive when poorly managed

BizBuySell – Environmental Service Businesses

Marketplace category where liquid-waste and environmental service routes are listed

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