Your Drainage Specialists

Maintenance of your system is better than a broken system

Welcome to Leech Drainage, your trusted family-owned business with over 40 years of dedicated service in septic tank clearing and drainage solutions.

About Us

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Based in the heart of Darfield, we take pride in our legacy of excellence, reliability, and commitment to our community. Since our inception, we’ve been serving our neighbours with integrity and professionalism, earning their trust one job at a time.

At Leech Drainage, we understand the importance of a healthy, functional septic system for both residential and commercial properties. Our team of experienced professionals is equipped with the latest tools and technology to provide efficient and effective solutions tailored to your specific needs.

But we’re more than just a business – we’re part of the fabric of our community. We believe in giving back, which is why we proudly sponsor community-run events and initiatives that make Darfield a better place to live and work. Supporting local causes and organisations is our way of saying thank you for trusting us with your septic needs.

When you choose Leech Drainage, you’re choosing a company that values honesty, integrity, and customer satisfaction above all else. Whether you need routine maintenance, emergency repairs, or expert advice, you can rely on us to deliver top-notch service with a smile.

Services

We offer a comprehensive septic tank pumping and clearing services, including checking and cleaning of filters, maintenance advice, and emergency services. We will send the right truck size that best fits your property.

Septic Tank Clearing and pumping out

Expert septic tank clearing services ensuring clean, efficient, and reliable waste management for your home or business.

Grease Trap Cleaning

We offer comprehensive grease trap cleaning and flushing services. Leech Drainage ensures thorough cleaning and safe disposal of waste.

blocked external drains

We specialise in drain maintenance and offer advanced solutions such as camera drain inspections to identify and clear blockages efficiently.

Drain Location Services

We utilise state-of-the-art electronic locator technology to inspect and locate drains for both residential and commercial properties​.

Hydro-Jetting

High-pressure water jetting, or hydro-jetting, is a highly effective method for clearing blockages and cleaning pipes.

holding tank clearing

We offer a comprehensive holding tank pumping and clearing service.

Septic Tank Clearing and Pumping out

Septic tank maintenance is a crucial task for homeowners to ensure the efficient functioning and longevity of their septic systems. Regular clearing and checking can prevent costly repairs, environmental hazards, and unpleasant odours.

Why Regular Septic Tank Clearing is Essential

Septic tanks are designed to collect and treat wastewater from households. Over time, solids settle at the bottom as sludge, and grease and oils form a scum layer on top. If not regularly cleared, these layers can build up, leading to blockages, overflow, and system failure.

Recommended Maintenance Schedule

Inspection Frequency: Septic tanks should be checked periodically to monitor sludge and scum levels.

Pumping Frequency: Generally, septic tanks need to be pumped every 2 to 3 years however this can vary depending on usage and tank size.

Most modern septic tank systems have a conditional council consent that specifies the maintenance schedule. It is the property owner’s responsibility for maintaining compliance.

Signs Your Septic Tank Needs Clearing

Slow Drains: If sinks, toilets, and showers are draining slowly, it may indicate a full septic tank.

Foul Odors: Unpleasant smells around the tank or drain field suggest that the tank is overloaded or malfunctioning.

Lush Grass: Greener or wetter patches of grass near the septic system can signal a leaking tank.

Pooling Water: Water pooling in your yard, especially around the tank area, indicates that the system is overloaded and needs immediate attention.

Grease Trap Cleaning

Maintaining a grease trap is essential for any commercial kitchen or food service establishment. Regular cleaning and maintenance ensure that your grease trap functions efficiently, preventing blockages and avoiding potential environmental hazards.

Importance of Grease Trap Cleaning

Grease traps capture fats, oils, and grease from wastewater before they enter the sewer system. Over time, these substances can accumulate, leading to blockages, unpleasant odours, and costly repairs. Regular cleaning prevents these issues and ensures compliance with local regulations.

Recommended Cleaning / Flushing Frequency

The frequency of cleaning and flushing of grease traps varies depending on the size, capacity, and volume of waste. We are happy to inspect and advise as required.

We offer comprehensive grease trap cleaning and flushing services. Leech Drainage ensures thorough cleaning and safe disposal of waste.

Blocked External Drains

Blocked external drains can lead to a host of problems, including slow drainage, unpleasant odours, and potential water damage. In severe cases, they can cause backups and overflows, leading to property damage and health risks. Timely intervention helps to avoid these issues and maintain the integrity of your drainage system.

Common Causes of External Blocked Drains

Grease and Fat: Accumulation of grease and fat from kitchen waste can solidify and block pipes.

Foreign Objects: Items such as wipes, sanitary products, and small objects accidentally flushed down the toilet can cause blockages.

Hair: Hair can clump together with soap scum and other debris, leading to blockages in bathroom drains.

Tree Roots: Roots from nearby trees and bushes can infiltrate sewer lines, causing significant blockages and damage​.

Signs Your Drains Are Blocked

Slow Drainage: Water takes longer than usual to drain from toilets, sinks, showers, and bathtubs.

Gurgling Sounds: Unusual noises from your drains can indicate a blockage.

Foul Odors: Persistent bad smells from drains suggest trapped waste.

Water Backups: Water backing up from drains is a clear sign of a serious blockage​.

We specialise in drain maintenance, Leech Drainage offers advanced solutions such as camera drain inspections to identify and clear blockages efficiently.

Drain Location Services

Discovering the precise location of your drains is essential for preventing costly damages and ensuring the efficiency of your drainage system. We offer specialised drain location services using advanced technology to accurately map and diagnose your drainage systems.
We utilise state-of-the-art electronic locator technology to inspect and locate drains for both residential and commercial properties.

Hydro-Jetting

High-pressure water jetting, or hydro-jetting, is a highly effective method for clearing blockages and cleaning pipes. This technique uses a powerful stream of water to scour the interior surfaces of pipes, removing debris, grease, scale, and even tree roots that can cause obstructions.
For more information or to schedule a service, contact us today.

Holding Tank Clearing

We offer a comprehensive holding tank pumping and clearing service.
We have the necessary equipment and expertise to safely pump out and transport waste to authorised treatment facilities.

Service Area

We cover an extensive area to bring our exceptional drainage solutions right to your doorstep. Our service area includes the  regions outlined in the map below
If your area isn’t in our service area, please don’t hesitate to contact us. We continually strive to expand our reach and may still be able to assist you.

FAQ’s

Why has my septic tank alarm gone off?

A septic tank alarm is not necessarily an emergency and often does not require an immediate service. We recommend contacting us on the first available business day to discuss your situation. In most cases you will still have 2-3 days however we strongly suggest avoiding large loads of washing, long showers, or baths.

How do I prepare for my septic tank service call?

Knowing the location of your septic tank is a great help for us.

Remove any planters, over hanging trees and bushes to make the lids accessible.

Clear a suitable working space around the septic tank to allow for tools and equipment.

What are the common products to avoid entering your septic tank system?

Non-Biodegradable Items

Wipes (even flushable ones): These do not break down easily and can cause blockages.

Sanitary Products: Items like tampons and pads can clog the system.

Condoms: Made of latex, they do not decompose.

Nappies and Paper Towels: These are bulky and non-biodegradable.

Chemicals and Cleaners

Bleach and Antibacterial Cleaners: These can kill the beneficial bacteria in the septic tank essential for breaking down waste.

Harsh Drain Cleaners: These chemicals can damage pipes and the septic tank itself.

Paints, Solvents, and Thinners: Toxic chemicals can harm the septic system and contaminate the groundwater.

Grease and Oils

Cooking Oils and Grease: These can solidify and clog the pipes and drain field, causing backups and system failure​.

Food Waste

Coffee Grounds: They do not break down and can accumulate, causing blockages.

Eggshells and Other Hard Food Waste: These items can contribute to blockages and do not decompose well in the septic system.

Medications

Prescription and Over-the-Counter Drugs: These can disrupt the bacterial balance and potentially contaminate the groundwater.

Toxic Substances

Pesticides and Herbicides: These chemicals can kill the beneficial bacteria and contaminate the soil and groundwater.

COntact

At Leech Drainage, we are dedicated to providing top-notch drainage solutions to our valued customers. Whether you have a question about our services, need a consultation, or require immediate assistance, our team is here to support you. We proudly serve a wide range of areas, ensuring that our expert services are available to those who need them most.

Call Us

03 318 8609 or 027 433 8693

Email Us

admin@leechdrainage.co.nz

Address

987 Essendon Road, Darfield