Grease Trap Pumping for Northwest Arkansas Restaurants

Per-gallon billing. Signed manifest on every job. Waste processed at NWA’s only grease recycling facility in Siloam Springs, AR — not hauled to Tulsa. Serving the entire Northwest Arkansas restaurant corridor.

~$0.40/Gallon Direct Rate

Manifest Every Service Call

NWA Recycling Facility

Scheduled Programs Available

Grease Trap Pumping

What Is Grease Trap Pumping — and Why Every NWA Restaurant Needs It

A grease trap is a passive separation device installed in a restaurant’s drain system, positioned between kitchen drains and the municipal sewer line. Its job is to capture fats, oils, and grease (FOG) before they enter the sewer — where they would cause blockages, overflows, and significant environmental damage. Every time a restaurant operates, FOG accumulates in the trap. Left unmanaged, that accumulation reduces trap efficiency, causes backups into the kitchen, creates serious health code violations, and eventually results in raw sewage overflow.

Grease trap pumping is the process of removing that accumulated waste — extracting the floating grease layer, the wastewater, and the settled solids from the trap using a vacuum truck, then transporting the waste to a licensed disposal facility for compliant processing. At Ozark Grease Pros, that facility is our licensed grease recycling plant in Siloam Springs, AR — the only regional processing facility in Northwest Arkansas.

Pumping is not optional. In Fayetteville, Springdale, Bentonville, Rogers, and across the NWA metro, restaurants are legally required under local FOG ordinances to maintain functioning grease traps and document regular service. Ozark Grease Pros provides that documentation — a signed manifest on every pump — so your compliance record is always current.

Why Grease Trap Pumping Is a Legal Requirement for NWA Restaurants

FOG (Fats, Oils & Grease) management is regulated at federal, state, and local levels. The EPA’s pre-treatment program requires commercial food service operators to control FOG discharge into municipal sewer systems. Arkansas ADEQ enforces state-level compliance. And at the local level, municipalities across Benton County and Washington County — including Fayetteville, Springdale, Rogers, and Bentonville — have adopted FOG ordinances that specify grease trap sizing, maintenance schedules, and documentation requirements for food service permits.

What that means practically: a restaurant operating without documented grease trap pumping is not just risking a clogged drain — it’s operating out of compliance with its food service permit. Health inspectors in NWA municipalities routinely request service manifests as part of FOG compliance checks. A missing or outdated record can result in a compliance finding, a fine, or in repeat cases, a permit suspension.

What a compliant grease trap pumping record looks like:

Service date and frequency (must meet or exceed municipal minimums)
Gallons removed — documented on a signed waste manifest per service call
Licensed disposal destination — the receiving facility must be licensed to accept FOG waste
Technician signature and company information
Kept on file and available for health department review on request

Ozark Grease Pros issues a fully compliant manifest on every pumping service call — waste goes to our licensed Siloam Springs facility, and your documentation is complete every time.

Read our full FOG compliance guide for NWA restaurants →

HOW IT WORKS

How Grease Trap Pumping Works — The Complete Process

Here is the full grease trap pumping process as Ozark Grease Pros executes it on every service call. Total time on-site is typically 30 to 60 minutes for standard under-sink traps. Larger grease interceptors may take longer depending on volume and access conditions.

STEP 1:

Pre-Service Inspection

Before pumping begins, the technician inspects the grease trap: lid condition, grease layer depth, baffle integrity, and inlet/outlet pipe condition. This establishes the baseline condition for the service record and identifies any structural issues — cracked baffles, damaged lids, inlet blockages — that need to be documented or addressed.

STEP 2:

Waste Removal via Vacuum Truck

The vacuum truck connects to the trap access point and removes all liquid waste — the floating grease layer at the top, the wastewater in the middle zone, and the settled solids (sludge) at the bottom. This three-layer waste profile is what makes grease trap management a specialized operation rather than a simple drain service.

STEP 3:

Volume Measurement & Manifest Recording

Gallons removed are measured and recorded on the waste manifest. This is the billing baseline (per-gallon rate) and the compliance document. Every figure on the manifest — date, location, gallons, disposal destination — is accurate and verifiable.

STEP 4:

Baffle & Inlet/Outlet Inspection

With the trap emptied, the technician inspects baffles for damage or grease bypass, and checks inlet and outlet pipes for partial blockage. Grease bypass around damaged baffles is a common cause of compliance failures — catching it during a pump visit prevents a much larger problem.

STEP 5:

Interior Cleaning (if combined service)

For scheduled maintenance accounts or combined pump-and-clean visits, interior walls, baffles, and surfaces are scrubbed to remove residual solids and bacteria film. This step is what separates a full cleaning service from a pump-only visit. See our grease trap cleaning page for full details on this phase.

STEP 6:

Waste Transport to Siloam Springs Facility

All waste removed from the trap is transported to our licensed grease processing and recycling facility in Siloam Springs, AR. It does not go to Tulsa. It does not go to an unlicensed site. It is processed on-site: oil is extracted for recycling and water is treated to Arkansas ADEQ discharge standards.

STEP 7:

Manifest Sign-Off & Documentation

A signed waste manifest is issued, documenting the complete service record. The restaurant receives a copy. Ozark Grease Pros retains a copy. This is the document your health department will request if a FOG compliance inspection is conducted at your facility.

Restaurant Type

How Often Should a Restaurant Pump Its Grease Trap?

Pumping frequency is the most common question restaurants have when starting a grease trap service program. The answer depends on three variables: trap size (gallons), kitchen output volume (how much FOG the kitchen generates per service period), and local FOG ordinance minimums (which set a regulatory floor regardless of fill rate). The industry standard rule of thumb: a grease trap should be pumped when it reaches 25% capacity — meaning the combined floating grease and settled solids layers occupy 25% or more of total trap volume. For most NWA restaurants operating under typical food service volumes, this works out to the following general schedule:

Restaurant Type & Trap Scenario	Recommended Pump Frequency
High-volume QSR / fast food (250–500 gal trap, frying-heavy menu)	Every 30 days. High FOG output fills traps quickly — monthly service is the standard for most QSR operators in NWA.
Full-service casual dining (500–1,000 gal trap, moderate FOG)	Every 30–60 days. Moderate output — bi-monthly service typically keeps compliance current.
Cafeteria or institutional kitchen (500–1,500 gal trap)	Every 60–90 days. Lower per-meal FOG output, but high daily volume. Monitor fill rate and adjust.
Restaurant with large grease interceptor (1,000–2,000+ gal)	Quarterly typically appropriate. Larger capacity means slower accumulation — but quarterly still meets most municipal minimums.
Bar or light food service (limited frying, 250–500 gal trap)	Every 60–90 days. Lower FOG generation — but trap still needs regular documented service for permit compliance.
Multi-location restaurant group	Varies by location. Ozark Grease Pros builds a consolidated schedule per site — one account, coordinated service calendar, single manifest archive.
Any restaurant with persistent odors between pump cycles	Increase frequency immediately. Odor recurrence between scheduled pumps indicates the trap is reaching capacity sooner than the current schedule allows.

The 25% Rule — and what NWA municipalities actually require:

While the 25% capacity rule is an industry standard and is referenced in many EPA pre-treatment guidelines, municipal requirements in Fayetteville, Springdale, Rogers, and Bentonville may specify their own minimum service frequencies or require inspection documentation at set intervals. Contact us for city-specific compliance guidance, or see our FOG compliance guide for NWA.

FOG compliance guide for NWA restaurants →

cost

Grease Trap Pumping Cost in Northwest Arkansas — Per-Gallon Pricing Guide

Grease trap pumping cost in Northwest Arkansas is calculated on a per-gallon basis — you pay for the volume removed, documented on the signed manifest, not a flat rate that may or may not reflect the actual job. Here is the complete pricing picture for both direct restaurant service and B2B disposal:

Service Type	Rate	Billing Method	Who It Applies To
Direct grease trap pumping	~$0.40/gal	Per gallon on signed manifest	Restaurants contracting service directly with Ozark Grease Pros
Grease disposal tipping fee	$0.20/gal	Per manifest gallon, billed to hauler	B2B pumping companies hauling waste to our Siloam Springs facility
Combined pump + cleaning	~$0.40/gal	Per gallon — cleaning included in scope	Scheduled maintenance accounts — full service per visit
Emergency grease trap pumping	Contact us	Per service — priority scheduling rate	Overflow, backup, or pre-inspection emergency situations
Scheduled maintenance contract	Custom rate	Monthly or quarterly flat contract	Multi-location groups or high-frequency accounts

Grease Trap Pumping Cost by Trap Size — Estimated Per-Service Cost

To estimate your cost per service call, multiply your trap’s capacity (gallons) by the per-gallon rate. In practice, the full trap volume is rarely reached before pumping — the 25% capacity rule means most pumps remove 25–35% of nominal trap size. But here is the math at full capacity as a reference ceiling:

Trap Size	Full Capacity Cost(@ $0.40/gal)	Typical Pump Volume(25–35% fill)	Estimated Cost Range
250 gallons	$100	63–88 gal	$25–$35
500 gallons	$200	125–175 gal	$50–$70
750 gallons	$300	188–263 gal	$75–$105
1,000 gallons	$400	250–350 gal	$100–$140
1,500 gallons	$600	375–525 gal	$150–$210
2,000 gallons	$800	500–700 gal	$200–$280

Note: actual cost per service call is based on manifest volume (gallons actually pumped), not trap nominal capacity. The table above shows ceiling estimates only. See our full grease trap cost guide for complete pricing data, NWA vs. Tulsa disposal comparisons, and per-city rate context →

What Happens If a Grease Trap Is Not Pumped on Schedule

The consequences of missed or overdue grease trap pumping are not just operational — they are regulatory, financial, and potentially health-code-disqualifying. Here’s the escalation sequence when a grease trap is allowed to reach and exceed capacity:

Stage	What Happens
Trap reaches 25% capacity	FOG efficiency drops — trap begins passing more grease into the sewer line. Pumping is overdue at this point per industry and most municipal standards.
Trap reaches 50–75% capacity	Noticeable odor from kitchen drains. Slower drain flow. Grease begins bypassing the trap into the municipal sewer — a compliance violation in most NWA municipalities.
Trap reaches or exceeds capacity	Sewage backup into kitchen drains and floor drains is possible. Kitchen may become non-operational. Health department notification risk is high.
Health inspection finds non-compliant trap	Compliance finding issued. Immediate service required before re-inspection. Fines possible depending on municipality and severity. Repeat violations can result in permit suspension.
Grease enters municipal sewer system	Sewer line blockage downstream. Potential sewer overflow into streets or waterways. Environmental damage — and the restaurant’s FOG record will reflect the violation.
Emergency service required	Emergency pump rates apply — higher cost than scheduled service. Kitchen downtime during service. No prior manifests on file makes the compliance situation worse, not better.

The cost of a missed pump — in emergency service rates, compliance fines, kitchen downtime, and permit risk — far exceeds the cost of a scheduled maintenance program. Schedule recurring grease trap pumping with Ozark Grease Pros →

Grease Trap Pumping Service — Northwest Arkansas Restaurant Market

The Fayetteville-Springdale-Rogers-Bentonville metro is one of the fastest-growing restaurant markets in the mid-South. The growth of the Walmart supplier ecosystem, the University of Arkansas, and a wave of hospitality and food service development across Benton County and Washington County has created a dense corridor of commercial kitchen operators — all of whom require regular grease trap management. What’s less developed is the specialist grease trap service infrastructure to match that growth. Most pumping options in NWA are either general plumbing companies that offer grease trap work as a sideline, or regional haulers transporting waste to out-of-market disposal sites. Ozark Grease Pros was built specifically to close that gap — a dedicated grease management company with its own licensed processing facility at the center of the NWA service radius.

service areas

Grease Trap Pumping Service by City

Select your city for local grease trap pumping service details, city-specific FOG compliance context, and scheduling for your area:

Grease Trap Pumping — Siloam Springs, AR

Grease Trap Pumping — Fayetteville, AR

Grease Trap Pumping — Springdale, AR

Grease Trap Pumping — Bentonville, AR

Grease Trap Pumping — Rogers, AR

View all service areas

Common Questions

Grease Trap Pumping — Frequently Asked Questions

What is grease trap pumping?

Grease trap pumping is the process of removing accumulated fats, oils, and grease (FOG) from a commercial restaurant’s grease trap using a vacuum truck. The floating grease layer, wastewater, and settled solids are extracted, transported to a licensed facility, and processed for compliant disposal or recycling. It is a regulatory requirement for food service operators in Northwest Arkansas and across the US.

How much does grease trap pumping cost in Northwest Arkansas?

Ozark Grease Pros prices grease trap pumping at approximately $0.40 per gallon for direct restaurant service — billed based on the gallons documented on the signed manifest. A 500-gallon trap pumped at 25% capacity removes roughly 125–175 gallons, which works out to approximately $50–$70 per service call. Our B2B tipping fee for haulers using our disposal facility is $0.20 per gallon. See our cost guide for the full pricing breakdown.

How often should a restaurant in NWA pump its grease trap?

Most NWA restaurants need grease trap pumping every 30–90 days, depending on trap size and kitchen FOG output. High-volume fast food and QSR operations typically require monthly service. Full-service restaurants usually run a 60-day cycle. The trigger point is when combined grease and solids reach 25% of total trap capacity. Many NWA municipalities set minimum frequency requirements in their FOG ordinances — check with your municipality or contact us for city-specific guidance.

What happens to grease after it is pumped from my restaurant?

At Ozark Grease Pros, all waste goes to our licensed grease processing and recycling facility in Siloam Springs, AR — the only regional facility of its kind in Northwest Arkansas. Oil is extracted and processed for recycling. The water phase is treated to meet Arkansas ADEQ discharge standards. Nothing is hauled to Tulsa or disposed of at unlicensed sites. Every load is manifest-documented.

Do I need a manifest every time my grease trap is pumped?

Yes — and any compliant service provider should issue one automatically. The waste manifest documents: service date, facility address, gallons removed, disposal destination (a licensed facility), and technician signature. It is the compliance record your health department will request during a FOG inspection. Ozark Grease Pros issues a signed manifest on every service call, every time.

Can I pump my own grease trap?

Grease trap waste is classified as a regulated waste stream under most state and federal FOG pre-treatment programs. Pumping, transporting, and disposing of grease trap waste requires licensed equipment, a licensed receiving facility, and proper manifest documentation. Self-pumping with improper disposal — including discharging to a septic system, storm drain, or field — is a violation that carries significant fines. Ozark Grease Pros handles the entire compliant process: pump, transport, processing facility, and manifest.

What is the difference between a grease trap and a grease interceptor?

Grease traps are smaller, typically under-sink units (250 to 1,000 gallons) commonly found in restaurants and commercial kitchens. Grease interceptors are larger in-ground systems — often 1,000 gallons or more — required for high-volume food service operations or facilities where the municipal code specifies interceptor sizing. Both require regular pumping. Ozark Grease Pros services both under-sink traps and larger interceptors across the NWA service area.

Related Grease Management Services

Ozark Grease Pros team uses special tools to clean a drain outside a building, keeping the work area safe and tidy.

Grease Trap Cleaning

Full interior scrub beyond pumping — residual solids, bacteria, and odor sources eliminated

Learn about Grease Trap Cleaning →

Ozark Grease Pros worker cleans a grease trap in Fayetteville, showing safe and professional recycling services.

Scheduled Maintenance Programs

Recurring pump + clean on a fixed calendar — predictable cost, continuous compliance

Learn about Scheduled Maintenance Programs →

An Ozark Grease Pros worker recycles grease at a facility, showing the company’s role in proper waste disposal.

Grease Recycling Facility

How your pumped waste is processed at our Siloam Springs facility

Learn about Grease Recycling Facility→

A worker cleans a kitchen drain for safe, expert results you can get with Ozark Grease Pros in Northwest Arkansas.

Grease Trap Pumping Cost Guide

Full pricing breakdown — per-gallon rates, trap size comparisons, NWA vs. Tulsa disposal

Learn about Grease Trap Pumping Cost Guide→

Schedule Grease Trap Pumping for Your NWA Restaurant

Per-gallon billing. Signed manifest on every job. Waste processed at our Siloam Springs facility — not Tulsa. Get on a schedule that keeps your kitchen compliant and your grease trap records current.