Why Haulers and Landfill Owners Are Adding Organics Processing

Haulers and private landfill owners are adding organics processing because diversion laws now require organic material to be collected separately, and a company that collects it needs a reliable place to send it. Owning that place turns a gate fee paid to someone else into a gate fee earned, protects collection contracts that depend on a compliant outlet, and keeps fast-decaying material out of the landfill, where it makes the most methane. The decision is not automatic: processing is a different business from collection, with its own permits, neighbors and product markets.

Key takeaways

Diversion laws create the tonnage. In California, SB 1383 requires jurisdictions to provide organic waste collection to all residents and businesses (with limited exemptions and waivers), and haulers must tell the jurisdiction which facilities will receive what they collect.
Food waste is the fastest-decaying part of landfilled waste. EPA estimates it is about 24% of municipal solid waste disposed of in landfills and the source of an estimated 58% of fugitive landfill methane.
A hauler that controls processing controls the cost and the reliability of its outlet, which matters when a franchise agreement or a collection contract names the destination.
Compost and mulch are a second revenue line, but only if the product is clean and the company builds a sales channel.
For a landfill owner, every ton composted is a ton of airspace kept for waste that has no other outlet.
Owning processing does not fit every company. Short contracts, no suitable land and no appetite for running a biological process are good reasons to contract it out.

What is pushing organics toward haulers

For most of the history of solid waste, organic material rode in the same truck as everything else and went to the same working face. That is changing state by state, and the change lands first on the companies that run the trucks.

California is the clearest example. CalRecycle summarizes SB 1383’s 2025 targets as 75% less organic waste sent to landfills and 20% of unsold, still-edible food sent to food recovery organizations, and says food scraps, yard trimmings, paper and cardboard together make up about half of what Californians send to landfills. CalRecycle’s collection requirements page says jurisdictions must provide organic waste collection to all residents and businesses (unless exempt or waived), use consistent bin colors and labels, and regularly track contamination and give feedback to customers.

Two parts of the regulation reach the hauler directly. Under 14 CCR 18988.1, a jurisdiction must require haulers to meet the chapter’s requirements as a condition of approving their contract, agreement or other authorization to collect organic waste, and haulers must identify the facilities to which they will transport it. Under 14 CCR 18992.1, counties must estimate the organic waste their jurisdictions will dispose of, identify existing recycling capacity that is verifiably available, and estimate the new or expanded capacity needed. In plain terms: the hauler has to name an outlet, and the county has to show the outlets exist. A company that owns processing can answer both questions itself.

Landfill rules add pressure from the other side. California’s AB 1594 stopped counting green material used as alternative daily cover as diversion on January 1, 2020; it now counts as disposal when a jurisdiction’s per capita disposal rate is measured. Green material that used to cover the working face needs a recycling outlet instead.

Other states have their own laws, thresholds and dates. The state laws guide covers them, and the SB 1383 guide for haulers goes through California hauler duties in detail.

Five reasons a waste company builds its own processing

Driver	What it means for the business	Question to ask first
A guaranteed outlet	Collection contracts need a destination that is permitted for the material and has room	Can we rely on third-party capacity for the full term of our contracts?
Control of the gate fee	Fees paid to another processor become fees earned, and the company sets its own acceptance rules	What does it cost us, in words and variables, to process versus to pay a processor?
Franchise and contract terms	Cities increasingly ask haulers to show where organics go, how contamination is handled and what gets reported	What do our current and upcoming agreements require us to prove?
Product revenue	Compost and mulch can be sold or supplied to public buyers that must procure them	Who will buy the product, and to what specification?
Landfill airspace and gas	A landfill owner keeps permitted capacity for waste with no other outlet and sends less fast-decaying material to the cells	How much organic tonnage reaches our working face today, by month?

A guaranteed outlet

The weak point in a collection contract is the destination. If the nearest permitted processor fills up, changes its acceptance rules or closes, the hauler still has trucks on the road and an obligation to the city. Owning processing removes that dependency, or at least reduces it to a backup arrangement.

Control of the gate fee

A hauler that pays a third-party processor carries that fee as a cost it cannot control. A hauler that owns the processor carries the cost of running a site instead: land, pad, equipment, labor, power, water, residual disposal and compliance. The tip fee economics guide shows how to compare the two with variables rather than prices, and the lifecycle cost guide covers the long-term drivers.

Franchise and contract terms

Municipal agreements are where diversion law turns into specific obligations: which containers, which materials, how contamination is measured, what is reported and where material is delivered. A company bidding on that work is in a stronger position when it can point to permitted capacity it controls. The franchise bidding guide and the guide to processing agreements with cities cover what those documents ask for.

Product revenue

Compost is a product with buyers in agriculture, landscaping, erosion control and public works. In California, SB 1383 also requires cities and counties to procure a population-based quantity of recovered organic waste products, including compost and mulch, each year, and CalRecycle says they can meet it through a direct service provider such as a waste hauler. The guide to selling finished compost covers channels and quality.

Landfill airspace and gas

EPA research on landfilled food waste estimates that food waste is about 24% of municipal solid waste disposed of in landfills and, because it decays quickly, the source of an estimated 58% of the fugitive methane those landfills release. For a private landfill owner, diverting that stream preserves airspace and reduces the fastest-decaying material in the cells. Composting does not by itself bring a landfill into compliance with any methane rule, but it changes what goes in.

Where processing sits in an integrated network

A vertically integrated company runs collection, transfer, processing and disposal. Organics processing can attach to any of those assets, and the choice affects haul distance, permits and neighbors.

At the landfill. Scale house, roads, equipment, buffers and staff are in place. The composting at landfills guide covers cover protection, settlement, gas and water.
At or near a transfer station. Close to the routes, but usually tight on land and close to neighbors.
On a standalone site. Room to grow and a clean permit, at the cost of a new entitlement process.

The siting guide compares the three with a decision table.

What two California examples show

Sustainable Generation (SG) supplies covered aerated static pile systems with the GORE® Cover, and two of its project profiles involve waste companies.

Mid Valley Disposal, Kerman. SG’s profile says the company had no previous composting experience and ran a demonstration with an SG MOBILE® System to evaluate feedstock mix ratios, emission control, operational feasibility and the viability of entering the organics recycling market. The pilot showed the need for added water in a hot, arid climate and, in SG’s account, reinforced the importance of upstream collection and source separation. The company then moved to a full-scale SG BUNKER® System. The lesson for haulers: a pilot answered the business question as well as the technical one.

Otay, San Diego County. SG’s Otay profile describes food and yard waste composting on an active landfill less than a mile from residential neighborhoods, where the system had to be modular and portable. The facility was announced by Republic Services as California’s first fully solar-powered compost facility. The lesson: an active landfill close to neighbors can host food waste processing if the system is chosen for those conditions.

How to evaluate adding processing

Count your organics. Pull tonnage by route, customer type and month. Separate yard trimmings, food scraps and mixed organics.
List your obligations. Read every franchise and collection agreement for destination, contamination and reporting terms, and note when each expires.
Map current outlets. For each, record capacity, acceptance rules, haul distance and contract term.
Screen sites you control. Landfill, transfer station or owned land, checked against permits, buffers, power and water.
Talk to regulators early. Ask which approvals are needed for each candidate site.
Test before you commit. A pilot on your own material gives you data for permits, lenders and customers. See how to run a composting pilot.
Line up product buyers. Do this before you build, not after the first pile is screened.
Write the business case. The business case guide gives an outline with decision gates.

When owning processing does not make sense

Collection contracts are short or uncertain, and no long-term supply backs the investment.
Reliable third-party capacity is close, priced fairly and contracted for the full term.
No site under your control has the land, buffers or power for a compost operation.
The company has no appetite for running a biological process, managing odor complaints and selling a soil product.

FAQ

Do haulers have to own composting capacity under SB 1383?

No. The regulation requires jurisdictions to provide organic waste collection and requires haulers to identify the facilities they will deliver to as a condition of approval. It does not require a hauler to own those facilities. Owning capacity is a business choice that reduces dependence on third-party processors, and it can strengthen a bid when a city asks where the material will go.

Is organics processing a good fit for a private landfill owner?

Often, because the gate, scale, roads, equipment, staff and buffers already exist, and diverted organics save airspace. The limits are physical and regulatory: the pad has to sit on ground that can carry it, the landfill’s cover and gas system have to be protected, and permits must be amended. The composting at landfills guide covers those questions in detail.

What is the biggest operating risk for a hauler new to composting?

Contamination and odor, which are linked. Plastic and glass in collected organics cost money in handling, screening and product value, and a poorly managed receiving area or pile draws complaints that can put a permit at risk. Clear collection rules, load inspection and a process designed to contain emissions at the pile address both.

Can composting replace landfill gas collection?

No. Gas collection deals with waste already in place, which keeps producing gas for years whatever is diverted later. Diverting food and yard waste reduces the fast-decaying material going into new cells. Treat composting as one part of a methane strategy, not a substitute for the controls your permits require. The landfill methane guide covers the rules.

Next step

For how a covered aerated static pile handles food and yard waste, read How It Works. Then compare where processing could sit in your network in the siting guide, or see every guide written for waste companies.

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