Liquid Waste Disposal & Storm Drain Service
The nastier the job, the less competition — and the more stable the contracts
Bottom line
Worth studying, but do not buy without strong local proof.
Liquid waste disposal businesses handle non-hazardous liquid waste, storm drain cleaning, grease trap work, lift station service, and related pumping jobs for commercial and municipal customers. The niche sits in the sweet spot of essential infrastructure, ugly work, and recurring compliance-driven demand — exactly where boring business economics get interesting.
Avg Revenue
$700K
Profit Margin
26%
Acquisition Multiple
3x - 4.5x
Startup Cost
$75K - $400K
How It Works
The operator runs vacuum trucks and service crews to pump, clean, transport, and dispose of non-hazardous liquid waste. Revenue comes from recurring maintenance contracts, emergency callouts, municipal or commercial service agreements, and project-based cleanup work. The best operators stack route density, dispatch efficiency, and compliance trust, then layer adjacent services like grease traps or septic-related work.
Revenue Range
Real Acquisitions in This Category
SBA 7(a) change-of-ownership loans · NAICS 562998 · All Other Miscellaneous Waste Management Services
Deal Size Distribution
Deal Flow Over Time
Financing Profile
Recent Comparable Deals
| Closed | State | Loan | Implied deal |
|---|---|---|---|
| Nov 2025 | MN | $312K | $367K |
| Sep 2025 | AZ | $333K | $392K |
| Mar 2025 | FL | $619K | $728K |
| Oct 2024 | WI | $166K | $195K |
| Sep 2024 | IA | $4.5M | $5.3M |
| Jul 2024 | MI | $2.8M | $3.3M |
| May 2024 | CA | $215K | $253K |
| Dec 2023 | WY | $150K | $177K |
| Sep 2023 | CA | $1.8M | $2.1M |
| Sep 2023 | NY | $629K | $740K |
Source: SBA 7(a) FOIA dataset, filtered to acquisitions (loans where business age is "Change of Ownership"). Implied deal size assumes an 85% loan-to-purchase ratio, a common SBA change-of-ownership structure. Charge-off rate shown only when 10+ loans have resolved (paid in full or charged off). Interest rates reflect last 24 months only. Actual deal values vary with equity injections, seller financing, and working capital terms.
Pros
- +Essential infrastructure work with real repeat demand
- +Recurring maintenance contracts create stable baseline revenue
- +Ugly, regulated work means less casual competition
- +Multiple adjacent upsells from the same customer base
Cons
- -Truck and equipment costs are meaningful
- -Compliance, disposal procedures, and safety training matter
- -Emergency work can create after-hours operational strain
- -Hiring dependable operators for dirty work is not easy
Best For
Buyers who want an infrastructure-like service business with contract revenue and are comfortable managing trucks, crews, and compliance
Operating Costs
Key costs are vacuum trucks, fuel, payroll, disposal fees, maintenance, insurance, and permits. Search results surfaced a Florida liquid waste servicing company active for 17+ years with recurring maintenance contracts, plus equipment-heavy operators indicating current fleet capacity that could support around $1.4M in annual income when utilized well.
SBA Financing Estimator
Adjust the deal — see if it cash flows after debt service
Estimates only. Excludes owner compensation, capex, working capital draws, and taxes. Margin assumes average occupancy and volume. Actual SBA terms vary by lender and borrower profile.
Where to Buy
Specialty listing for a long-running Florida liquid waste and drainage service operator
Marketplace results showing equipment-heavy waste service operators with seven-figure capacity
Search results included liquid waste servicing and environmentally friendly drainage-focused operators
Acquisition Score
Scores margin (30), entry multiple (25), SBA market depth (20), category risk (15), and deal momentum (10). Higher = better acquisition candidate.
Quick Facts
- Category
- service
- Difficulty
- 4/5
- Buy price
- $2.1M–$3.1M
Buyer's Toolkit
Essential tools to get started
Some links may be affiliate links. We only recommend tools we'd use ourselves.
Ready to Buy? Start Here →
Largest business-for-sale marketplace in the US
SBA loans and business acquisition financing — get funded fast
ROBS financing — use retirement funds to buy a business tax-free
Bookkeeping for small business owners — hands-off financials
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