Understanding Sewerage Lines: Essential Information for Homeowners

Jun 27, 2024 | News

Introduction to Sewerage Lines

A sewerage line is a crucial component of any building’s infrastructure, responsible for carrying waste from households, commercial establishments, and industrial facilities to treatment plants or disposal points. Since 2007, Drain Blasters has been committed to providing innovative and environmentally-friendly solutions for maintaining and clearing blocked sewerage lines. Our services cater to a wide range of clients, including restaurants, hotels, and various commercial and industrial facilities.

Types of Sewerage Systems

Sanitary Sewer Systems

Sanitary sewers are designed to transport waste from residential and commercial properties to wastewater treatment plants. These systems handle domestic sewage and industrial wastewater, ensuring that contaminants are removed before the water is discharged into the environment. Understanding the intricacies of sanitary sewer systems is vital for effective maintenance and operation.

Storm Sewer Systems

Storm sewers are designed to collect and transport rainwater and surface runoff to prevent flooding. These systems channel water from streets, roofs, and other surfaces directly into rivers, lakes, or treatment plants. Proper maintenance of storm sewers is essential to prevent blockages and ensure efficient water flow during heavy rainfall.

Combined Sewer Systems

Combined sewer systems handle both sanitary sewage and stormwater in a single pipe. While this design was common in older cities, it poses significant challenges during heavy rain, as the system can become overwhelmed, leading to untreated sewage being discharged into natural water bodies. Modern practices involve separating these systems to improve efficiency and reduce environmental impact.

Common Sewerage Line Issues

Blockages and Clogs

Blockages are a frequent issue in sewerage lines, often caused by the accumulation of grease, fat, and other debris. Restaurants and hotels are particularly susceptible due to the high volume of food waste. Regular maintenance and professional cleaning can prevent severe blockages and keep the system functioning smoothly.

Sewer Line Bellies

A sewer line belly occurs when a section of the pipe sags, creating a low spot where water and sediment can accumulate. This issue can lead to blockages and reduced flow efficiency. Proper installation and regular inspections are key to preventing and addressing sewer line bellies.

Tree Root Intrusion

Tree roots can invade sewerage lines through small cracks, causing significant damage and blockages. Regular inspections and the use of root barriers or chemical treatments can mitigate this problem, ensuring the longevity of the sewer system.

Corrosion and Wear

Over time, sewerage lines can corrode or wear out, particularly if they are made of materials like cast iron or clay. Regular inspections and the use of modern, durable materials can help prevent leaks and other issues related to corrosion.

Professional Sewerage Line Services

Drain Clearing

Drain clearing involves removing blockages from sewerage lines using high-pressure water jets or mechanical augers. This service is essential for preventing backups and ensuring the smooth flow of waste.

Liquid Waste Disposal

Proper disposal of liquid waste is crucial for maintaining hygiene and preventing environmental contamination. Drain Blasters offers comprehensive liquid waste disposal services, ensuring that all waste is handled and treated according to regulatory standards.

Fat Trap Supply and Cleaning

Fat traps, also known as grease traps, are used in commercial kitchens to prevent fats, oils, and grease from entering the sewer system. Regular cleaning and maintenance of fat traps are essential to prevent blockages and maintain efficient operation.

Drainage System Cleaning

Regular cleaning of drainage systems helps remove accumulated debris and prevent blockages. Professional cleaning services ensure that the entire system is thoroughly cleaned, from the smallest drains to the main sewer lines.

Canopy Filter Cleaning

Canopy filters in commercial kitchens capture grease and other particles from cooking fumes. Regular cleaning of these filters is essential to maintain air quality and prevent fire hazards. Drain Blasters provides efficient canopy filter cleaning services, ensuring a safe and healthy kitchen environment.

Supply of Certified Organic Cleaning Materials

Using certified organic cleaning materials helps reduce the environmental impact of sewerage line maintenance. These products are effective at cleaning and maintaining sewerage systems without introducing harmful chemicals into the environment.

Different Types of Sewage Systems

Sewage systems are designed to efficiently manage and transport waste and wastewater from various sources to treatment facilities or disposal points. The primary types of sewage systems include sanitary sewers, storm sewers, and combined sewers. Sanitary sewers are dedicated to carrying wastewater from homes, businesses, and industrial facilities to treatment plants. These systems handle human waste and other degradable materials, ensuring they are properly treated before being released into the environment.

Storm sewers, on the other hand, are designed to collect and transport rainwater, snowmelt, and surface runoff directly to natural water bodies such as rivers and lakes, bypassing treatment facilities. This prevents flooding and manages excess water during heavy rainfall. Combined sewers are older systems that collect both sanitary sewage and stormwater in a single pipeline. While efficient in their time, combined sewers can become overwhelmed during heavy rainfall, leading to untreated sewage being discharged into natural water bodies, posing environmental and health risks. Modern infrastructure aims to separate these systems to enhance efficiency and reduce pollution.

Difference Between a Sewer Line and a Water Line

Understanding the distinction between a sewer line and a water line is crucial for maintaining a safe and functional plumbing system. Sewer lines are designed to transport wastewater from residential and commercial properties to treatment facilities or septic systems. These pipes carry a variety of waste, including human waste, kitchen waste, and greywater from showers and sinks. Materials commonly used for sewer lines include PVC, cast iron, and clay. Conversely, water lines, also known as potable water lines, are responsible for delivering clean water from municipal sources or private wells to homes and businesses.

These lines ensure a safe supply of water for drinking, cooking, and cleaning. They must be protected from contamination and are typically made from materials such as copper, brass, and certain types of plastic that comply with health and safety standards. Proper installation and maintenance are essential for both types of lines to prevent cross-contamination and ensure the health and safety of building occupants.

Why Choose Drain Blasters?

Commitment to Innovation

Since our inception in 2007, Drain Blasters has been at the forefront of using innovative solutions to address sewerage line issues. Our team is dedicated to finding the most effective and environmentally-friendly methods to maintain and clear blocked drains.

Expertise in Diverse Environments

We offer our services to a wide range of clients, including restaurants, hotels, and various commercial and industrial facilities. Our extensive experience allows us to handle any sewerage line issue with precision and efficiency.

Environmentally-Friendly Practices

At Drain Blasters, we prioritise the use of environmentally-friendly products and methods. From organic cleaning materials to sustainable waste disposal practices, we are committed to reducing our environmental footprint.

Comprehensive Service Offerings

Our range of services covers all aspects of sewerage line maintenance, from drain clearing and fat trap cleaning to canopy filter cleaning and liquid waste disposal. This comprehensive approach ensures that all your needs are met efficiently and effectively.


Maintaining a clean and efficient sewerage line is crucial for the smooth operation of any facility. With Drain Blasters’ professional services, you can rest assured that your sewerage lines will be well-maintained, preventing blockages and ensuring optimal performance. Contact us today to learn more about our services and how we can help keep your sewerage system in top condition.

Why use Drain Blasters?

Cutting edge technology

Drain Blasters only works with the latest technology and equipment, using high pressure water-jetting.

Portable equipment

Our portable equipment can be carried into buildings and lifts in order to access those hard to reach places.

Scalable Equipment

Our fleet ranges in capacity and size from 1 to 10 tonne waste removal capacity and drain clearing capabilities, suitable for residential and industrial blockages.


Highly experienced teams

Our teams are made up of highly experienced individuals who are professional and friendly

24/7 Service

We are on call 24/7 to assist in the case of emergencies and short notice service

Competitive Prices

We offer highly competitive pricing while maintaining a high level of service

Our Services

Drain Clearing

Our experienced experts are available around-the-clock and are equipped with the latest drain clearing tools and technology to get the job done fast and effectively.

Liquid Waste Removal

We offer a professional, socially responsible & price effective solution as a leader in liquid waste management.

Septic Tank Cleaning

We specialize in septic tank cleaning and drainage, whereby we pump out and clean the contents of septic tanks.

Grease Trap Cleaning

Our grease trap cleaning process ensures a free flowing drainage system and alleviates odours in your workplace in a systematic, discreet and environmentally friendly manner.

Grease Traps

We proudly install grease traps into restaurants and institutions which require filtration of grease, fats, and oils from their wastewater.

Sewage Removal

We have extensive expertise and experience in resolving sewerage blockages of all sizes, with special care taken to dispose of sewage safely and effectively.

Areas We Service

Drain Blasters services almost all areas across Cape Town and Surrounding Areas

Airport Industria | Athlone | Atlantic Seaboard | Atlantis | Bakoven | Bantry Bay | Bellville | Bergvliet | Bishopscourt | Blackheath | Bloubergstrand | Bo-Kaap | Boland | Bothasig | Brackenfell | Brooklyn | Camps Bay | Capri Village | CBC | Century City | Claremont | Clifton | Clovelly | Constantia | Crawford | Crossroads | Culemborg | Darling | De Waterkant | Devil's Peak Estate | Diep River | Durbanville | Edgemead | Eersteriver | Elsie's River | Epping | Epping 2 | Epping 1 | Fish Hoek | Foreshore | Franschoek | Fresnaye | Gardens | Glencairn | Goodwood | Gordon's Bay | Green Point | Harfield Village | Heathfield | Hout Bay | Imizamo Yethu | Kalk Bay | Kenilworth | Kenwyn | Killarney Gardens | Kirstenhof | Kommetjie | Kraaifontein | Kreupelbosch | Kuils River | Lakeside | Lansdowne | Llandudno | Lotus River | Maitland | Malmesbury | Mamre | Meadowridge | Melkbosstrand | Milnerton | Montague Gardens | Mouille Point | Mowbray | Muizenberg | Ndabeni | Newlands | Noordhoek | Northern Suburbs | Observatory | Ocean View | Oranjezicht | Paarden Island | Paarl | Panorama | Parklands | Parow | Philippi Industrial | Pinelands | Pinelands | Plattekloof | Plumstead | Retreat | Rondebosch | Rondebosch East | Rosebank | Rugby | Sacks Circle | Salt River | Scarborough | Schotsche Kloof | Sea Point | Simon's Town | Somerset West | Southern Suburbs | SouthField | St James | Steenberg | Stellenbosch | Stikland | Strand | Sun Valley | Sunnydale | Table View | Tamboerskloof | Thornton | Three Anchor Bay | Tokai | Vredehoek | Waterfront | Wellington | West Beach | Wetton | Woodstock | Wynberg | Zonnebloem