
Efficient plumbing is critical for smooth operations in commercial kitchens. However, one of the most common and damaging mistakes made in restaurants and food service establishments is pouring grease down the drain.
While disposing of cooking oil, fats, and grease may seem like an easy solution, this practice can lead to serious plumbing and environmental problems. To fix drainage issues or plumbing damage, you should choose skilled and reputable commercial plumbing experts.
The Science Behind Grease Clogs
Grease, fats, and oils may be in liquid form when hot, but as they cool, they solidify and adhere to the inner walls of drain lines. Over time, this accumulation narrows the pipes, restricting water flow and leading to severe blockages. Unlike water-soluble substances, grease does not break down easily and continues to accumulate, forming “fatbergs”—massive grease-based obstructions that require professional removal.
Consequences of Pouring Grease Down the Drain
Clogged Drains and Backups
Grease buildup in commercial kitchen drains leads to frequent clogs and slow drainage, disrupting kitchen operations. As hot grease is poured down the drain, it may initially flow easily; however, as it cools, it solidifies, sticking to the inner walls of pipes. Over time, layers of grease accumulate, restricting water flow and causing severe blockages.
- Reduced Drainage Capacity—Accumulated grease reduces the diameter of the drain pipes, leading to slow drainage, standing water in sinks, and difficulty cleaning dishes and kitchenware.
- Backups and Overflows—Severe grease clogs can cause wastewater to back up into sinks, floor drains, and dishwashing stations, creating unsanitary conditions that can halt kitchen operations.
- Frequent Plumbing Maintenance—Persistent grease buildup requires frequent drain snaking, hydro-jetting, and other plumbing interventions, which increases maintenance costs.
Damage to Plumbing Infrastructure
The accumulation of grease not only narrows pipes but can also lead to corrosion and pipe degradation. Plumbing repairs and replacements can be costly, especially in commercial establishments where high-capacity drainage systems are essential for daily operations.
- Pipe Corrosion and Degradation – Over time, trapped grease can combine with food debris, bacteria, and other waste, creating acidic compounds that corrode metal pipes and degrade plastic pipes.
- Structural Damage—Persistent drain issues can cause leaks and pipe bursts, which can damage walls, flooring, and foundations and require expensive repairs.
- Increased Plumbing Costs – Replacing damaged pipes and clearing blockages repeatedly can result in significant expenses, making preventative measures more cost-effective.
Health and Safety Hazards
Grease-related drain issues create hazardous conditions in commercial kitchens, putting employees at risk and compromising overall safety standards.
- Slippery Floors and Fall Risks – Drain backups caused by grease buildup can lead to wet floors, increasing the risk of employees slipping and sustaining serious injuries.
- Unpleasant Odors and Sewer Gases – Blocked commercial kitchen drains can trap food particles and organic waste, leading to foul-smelling sewer gases that create an uncomfortable and potentially harmful work environment.
- Health Code Violations – Standing wastewater from clogged drains can foster bacterial growth, leading to unsanitary conditions that may result in health code violations and penalties.
Municipal Fines and Environmental Impact
Many municipalities enforce strict regulations prohibiting the disposal of grease into drainage systems. Violations can result in hefty fines and even temporary closures. Furthermore, when grease enters the sewer system, it contributes to blockages in municipal pipelines and wastewater treatment facilities, harming the environment.
- Legal and Financial Consequences—Businesses caught disposing of grease improperly may face citations, fines, and even lawsuits, which can impact profitability and reputation.
- Environmental Pollution – Grease that escapes into the sewer system contributes to fatbergs—large, hardened masses of grease, oil, and debris—that clog municipal sewer lines, leading to costly public infrastructure repairs.
- Regulatory Compliance – Commercial kitchens must install and maintain grease traps and follow proper grease disposal procedures to comply with health and environmental regulations.
Commercial kitchen owners should take proactive steps to manage grease waste responsibly, protecting their plumbing systems, employees, and business operations.
Proper Grease Disposal Methods
Use Grease Traps
Grease traps are specialized plumbing devices designed to capture fats, oils, and grease before they enter the primary drainage system. Regular maintenance and cleaning of grease traps are essential for their effectiveness.
Dispose of Grease in Designated Containers
Commercial kitchens should collect used cooking grease in dedicated containers for proper disposal. Many waste management companies offer grease recycling programs, converting waste grease into biofuel or other valuable by-products.
Educate Kitchen Staff
Proper training for kitchen employees on grease disposal practices can prevent costly plumbing issues. Staff should be instructed to scrape food scraps and excess grease into trash bins before washing dishes.
Schedule Regular Drain Maintenance
Professional drain cleaning services can help prevent grease buildup in commercial plumbing systems. Hydro jetting and enzymatic drain cleaners are effective solutions for maintaining free-flowing drain lines.
How Our Skilled Plumbers Will Fix Clogged Drains and Other Plumbing Damage Resulting from Grease Buildup in the Drain
At Coastal Commercial Services, our experienced plumbers specialize in resolving grease-related plumbing issues with cutting-edge technology, industry best practices, and long-term solutions to prevent future problems.
Comprehensive Drain Inspection and Diagnosis
Before implementing a solution, our team conducts a thorough inspection to assess the extent of the grease buildup and plumbing damage. We use:
- Video Camera Inspections – High-resolution drain cameras allow us to pinpoint grease blockages deep within your drainage system.
- Hydrostatic Testing – This technique helps identify leaks or compromised areas in the piping caused by prolonged grease exposure.
- Drain Flow Analysis – We measure water flow rates to determine the severity of clogs and assess the overall efficiency of your plumbing system.
Powerful Drain Cleaning Solutions
Once the problem is identified, we deploy the most effective cleaning methods to remove grease blockages and restore proper drainage:
- Hydro Jetting – A high-pressure water jet blasts away stubborn grease deposits, clearing the entire pipe diameter without damaging the plumbing system.
- Professional-Grade Drain Snaking – For severe clogs, we use industrial-strength drain augers to break through and extract hardened grease buildup.
- Biodegradable Enzyme Treatments – We apply eco-friendly bacterial treatments that digest residual grease in pipes, preventing future accumulations.
Repairing Plumbing Damage Caused by Grease
Long-term grease buildup can lead to pipe corrosion, leaks, and structural damage. Our skilled plumbers address these issues with the following:
- Pipe Descaling and Relining – If grease has corroded or weakened pipes, we use trenchless pipe relining to reinforce the plumbing system without disruptive excavation.
- Leak Repairs and Pipe Replacements – For severely damaged pipes, we perform targeted repairs or complete replacements using durable, grease-resistant materials.
- Sewer Line Rehabilitation – If grease has infiltrated your main sewer lines, we provide comprehensive repair solutions to restore full functionality.
Preventative Maintenance Plans for Long-Term Protection
To prevent future grease-related plumbing problems, we offer customized preventative maintenance programs:
- Routine Drain Flushing – Scheduled hydrojetting services keep drains clear of grease and debris.
- Grease Trap Installation & Maintenance: We install and service grease traps, which capture fats, oils, and grease before they enter the drainage system.
- Staff Training on Proper Grease Disposal – We educate kitchen staff on best practices for handling grease, reducing the risk of future blockages.
Choose the Top-Rated Commercial Plumbing Services You Can Trust
At Coastal Commercial Services, we understand the urgency of commercial kitchen plumbing issues. Our licensed and experienced plumbers provide fast, efficient, and long-lasting solutions to keep your business running smoothly. Whether you have a severe grease clog or need preventative maintenance, we are your trusted partner in commercial plumbing. To schedule a service, call us 24/7 at (772) 341-0094 or contact us online.