How do you calculate MRF reject stream cost?

Multiply residue tons by the tip fee by the share routed to disposal to get the variable cost, then add fixed haul and handling. For 300 tons at $65/ton, all routed to disposal, plus $1,500 fixed, the total is $21,000.

What is a good residue rate for a MRF?

Single-stream MRFs typically run 5 to 15 percent residue by weight; well-run facilities with clean inbound stay near the low end. The dollar figure matters more than the percentage — at $65/ton tip fee, every point of residue on a large facility is real money.

What's the cost per ton of my reject stream?

Divide total reject cost by residue tons. In the example, $21,000 over 300 tons is $70 per ton — higher than the $65 tip fee alone because the fixed $1,500 haul and handling spreads across the tonnage.

Variable disposal cost vs fixed haul cost — why split them?

Variable cost scales with tonnage and tip fee, so it shrinks when you cut contamination. Fixed haul, transfer, and handling cost is largely there whether you ship one load or many. Splitting them ($19,500 variable plus $1,500 fixed here) shows which lever actually moves with residue reduction.

Does routing share matter if everything goes to landfill?

If 100 percent goes to disposal, routing share is 100 and has no effect. It matters when part of the residue is diverted — for example to waste-to-energy or alternative daily cover — so only the landfilled fraction carries the tip fee.

How do I reduce reject stream cost?

Cut inbound contamination through generator education and load inspection, add or tune optical and screen separation to recover more target material, and negotiate a lower tip fee or shorter haul. Lowering residue tonnage hits the large variable component directly.

Municipal Waste Sorting Equipment calculator

Residue and Reject Stream Cost Calculator

Every material recovery facility produces a reject stream — the residue that falls through the sort as contamination, fines, and non-target material — and it has to be hauled and landfilled at the prevailing tip fee. That residue cost quietly erodes MRF margins because it is dead weight: you paid to receive it, sort it, and now you pay again to throw it away. This calculator totals the variable disposal cost plus the fixed haul, transfer, and handling cost so operations and finance teams can see the real reject burden. It is the number that tells you what your contamination rate is actually costing.

What this calculator does

Estimate the total cost of handling and disposing of residue and reject streams from the MRF, including disposal tip fee and fixed haul cost.
Use it when budgeting residue disposal for the next quarter, pricing a processing contract, or weighing whether a secondary sort would pay back its disposal savings.
It computes total residue and reject cost by adding the variable landfill disposal cost to the fixed haul, transfer, and handling cost.

Formula used

Variable residue disposal cost = residue tons x disposal tip fee x share routed to disposal
Total residue and reject cost = variable residue disposal cost + fixed haul and handling cost

Inputs explained

Residue tons in scope:
Disposal tip fee:
Share of residue routed to disposal:
Fixed haul, transfer, and handling cost:

How to use the result

Use it for monthly cost reporting, contract negotiations on inbound contamination, or building the case for a sort-line upgrade that reduces residue.
It uses a single blended tip fee and routing share; if your residue splits across multiple landfills or some is diverted to waste-to-energy at a different rate, model each stream separately.

Current U.S. benchmarks

Steel mill PPI stands at 348.53 (BLS, May 2026), up 6.7% from a year earlier. New factory orders are up 2.3% year over year (Census).

Common questions

How do you calculate MRF reject stream cost? Multiply residue tons by the tip fee by the share routed to disposal to get the variable cost, then add fixed haul and handling. For 300 tons at $65/ton, all routed to disposal, plus $1,500 fixed, the total is $21,000.
What is a good residue rate for a MRF? Single-stream MRFs typically run 5 to 15 percent residue by weight; well-run facilities with clean inbound stay near the low end. The dollar figure matters more than the percentage — at $65/ton tip fee, every point of residue on a large facility is real money.
What's the cost per ton of my reject stream? Divide total reject cost by residue tons. In the example, $21,000 over 300 tons is $70 per ton — higher than the $65 tip fee alone because the fixed $1,500 haul and handling spreads across the tonnage.
Variable disposal cost vs fixed haul cost — why split them? Variable cost scales with tonnage and tip fee, so it shrinks when you cut contamination. Fixed haul, transfer, and handling cost is largely there whether you ship one load or many. Splitting them ($19,500 variable plus $1,500 fixed here) shows which lever actually moves with residue reduction.
Does routing share matter if everything goes to landfill? If 100 percent goes to disposal, routing share is 100 and has no effect. It matters when part of the residue is diverted — for example to waste-to-energy or alternative daily cover — so only the landfilled fraction carries the tip fee.

Last reviewed 2026-05-12.