Blocked drains are a common household nuisance that can lead to inconvenience, property damage, and costly repairs if not addressed promptly. Understanding the primary causes of blocked drains and implementing preventative measures can help homeowners in Coffs Harbour avoid these problems. In this article, we’ll explore the top 10 causes of blocked drains and provide practical tips and solutions for prevention.
Heavy Rainfall and Stormwater Runoff
Heavy rainfall can overwhelm drainage systems and lead to localised flooding and sewer backups. Excessive stormwater runoff carries debris, leaves, and sediment into drains, causing blockages and water stagnation. Installing gutter guards, maintaining proper landscaping to facilitate water runoff, and ensuring that drainage systems are clear of obstructions can help alleviate the impact of heavy rainfall on drains. Having a professional and licensed Coffs Harbour plumber, like Complete Plumbing, inspect your drains after a storm can also help to identify and combat any issues early on. This will allow you to avoid blocked drains and more extensive damage.
Tree Roots Intrusion causing blocked drains
One of the leading causes of blocked drains is tree roots infiltrating underground pipes. Trees seeking water and nutrients can penetrate through small cracks or joints in sewer lines, causing blockages and damage over time. To prevent this issue, homeowners should avoid planting trees near drainage pipes and consider installing root barriers. Regular inspection and maintenance by a professional plumber in Coffs Harbour can also help detect root intrusion early on.
Foreign Objects causing Blocked Drains
Accidentally dropping or flushing foreign objects such as toys, jewelry, or household items can cause blocked drains and damage to plumbing fixtures. Children are particularly prone to this, so it’s essential to educate them about the importance of keeping drains clear of objects. Installing childproof locks on toilet lids and sink drains can help prevent accidental blockages and safeguard plumbing systems.
Corrosion and Pipe Damage
Corrosion and pipe damage caused by chemical reactions, water acidity, or external factors such as excavation work, can lead to blocked drains. Periodic inspection of pipes for signs of corrosion, rust, or deterioration is crucial for early detection and repair of potential blockage points. Implementing corrosion-resistant piping materials or protective coatings can extend the lifespan of drainage infrastructure.
Flushing Non-Biodegradable Items
Flushing non-biodegradable items such as wet wipes and cotton swabs down the toilet can lead to blocked drains. Unlike toilet paper, these items do not disintegrate easily and can accumulate in pipes, causing obstructions. Educating household members about proper waste disposal practices and providing designated trash bins in bathrooms can prevent toilet blockages and maintain drainage flow.
Structural Misalignments causing blocked drains
Structural misalignments in underground pipes, such as sagging, bellies, or offsets, can impede the flow of wastewater and contribute to blocked drains. These issues may result from ground movement, soil erosion, or poor installation practices. Having a professional Coffs Harbour plumber, such as Complete Plumbing, conduct regular camera inspections of sewer lines can help to identify structural defects early on, allowing for timely repairs to prevent blockages and more extensive damage.
Grease and Fat Buildup
Kitchen drains are susceptible to blockages caused by the buildup of grease, fats, and oils from cooking. When poured down the drain, these substances solidify and adhere to pipe walls. This causes narrowing of the passage for water flow and traps food particles. Encourage everyone in the house to dispose of grease and fat in sealed containers. Also, opt to use strainers or drain guards to prevent food scraps from entering the drain.
Hair and Soap Scum causing Blocked Drains
Bathroom drains are prone to blockages from hair, soap scum, or products that accumulate over time. Regularly cleaning bathroom drains with a drain snake or enzymatic cleaner can help prevent hair buildup and maintain proper drainage. Installing drain screens or traps can also capture hair and debris before they enter the plumbing system.
Aging Infrastructure
Many areas have aging sewer systems that are prone to deterioration and blockages. Old, corroded pipes are more susceptible to clogs from debris buildup, grease, and other foreign objects. Consider upgrading to modern, durable piping materials where possible, or scheduling regular inspections to identify and replace deteriorating pipes. This can mitigate the risk of blocked drains caused by aging infrastructure.
Improper Installation or Repair of blocked drains
Poorly executed plumbing installations or repairs can inadvertently create blockages or damage to drainage systems. Improper pipe sizing, inadequate slope for wastewater flow, and incorrect joint sealing can all contribute to blockages and inefficiencies. Hiring licensed and experienced Coffs Harbour plumbers for installation, maintenance, and repair work ensures that plumbing systems can function optimally.
Contact Complete Plumbing Coffs Harbour today for all things blocked drains
Blocked drains are a common issue faced by homeowners in Coffs Harbour. Often, they can be minimised through proper awareness and preventative measures. Should you find yourself combating a blocked drain, our experienced team at Complete Plumbing Coffs Harbour is available to help 24/7. As a trusted local plumber, Complete Plumbing Coffs Harbour is committed to helping homeowners prevent and resolve blocked drain issues. Contact us today for all your plumbing needs!


