Persistent bad smells coming from multiple drains in your home—such as bathrooms, kitchens, or floor traps—can indicate trapped wastewater due to a manhole blockage further down the drainage system.
causes of blockage
manhole blockage cleaning service
At All Plumbing.SG, we’ve developed a proven method for identifying and clearing manhole chokes in Singapore:
1. Initial Inspection
We visually inspect the manhole by lifting the cover and checking for obvious blockages or flooding. If needed, we use cameras to check the inner pipe network.
2. Locating the Source of the Choke
Using drain inspection cameras and pipe locators, we trace the blockage point and assess its severity, whether it's due to grease, roots, debris, or collapsed pipework.
3. Clearing the Choke
Our team deploys advanced tools such as:
🔹 High-pressure water jetting to flush out hardened waste
🔹 Manual rodding to break up and extract debris
🔹 Drain vacuum systems for heavy solid or liquid waste
🔹 Root cutters if tree roots are the cause
4. Flow Testing and Final Cleaning
We flush the pipes to ensure full clearance and test all key drains (toilets, basins, kitchen sinks) for smooth flow. We also disinfect the manhole area if needed.
5. Reporting and Advice
We’ll share findings with you and recommend preventive steps to avoid recurring chokes.
risk of Ignoring manhole blockage
A blocked manhole is more than a nuisance—it’s a serious risk to your property and health.
Here’s what could happen if you ignore it:
🔹 Sewage overflow in your garden, toilet, or floor traps
🔹 Strong, persistent odours and unsanitary conditions
🔹 Water damage to walls, floors, and foundations
🔹 Pest infestations (cockroaches, rats, mosquitoes)
Fines or legal action for property damage or hygiene issues
Don’t wait for a disaster to happen. Get it checked early.
DIY is not recommended for clearing manhole blockages
Clearing a manhole choke is not like using a plunger on a toilet—it involves serious health hazards and complex underground systems.
Risks of attempting DIY include:
🔹 Exposure to harmful bacteria and gases
🔹 Incomplete clearing, leading to recurring chokes
🔹 Potential pipe damage from improper tools
🔹 Worsening of the blockage or water overflow
Leave the heavy lifting to our licensed professionals who know how to do it safely and effectively.
preventing future manhole blockages
Routine maintenance and proactive care can significantly reduce the risk of manhole chokes. Here are some expert tips:
🔹 Proper Waste Disposal
Avoid flushing non-biodegradable items, sanitary products, wet wipes, or large debris into sinks, toilets, or floor drains.
🔹 Limit Oil and Grease in Drains
Never pour cooking oil, fats, or grease down drains. Instead, collect and dispose of them properly to prevent solid buildup in the sewer system.
🔹 Regular Cleaning & Inspection
Schedule periodic inspections and cleaning of manholes and connected drains to remove sediment, debris, and early signs of clogging.
🔹 Trim Nearby Tree Roots
Ensure trees near your drainage system are regularly trimmed to prevent roots from growing into pipes or manholes.
🔹 Install Manhole Covers with Grates
Use grates or screens on manhole openings where possible to catch debris and prevent it from entering the drainage system.
🔹 Monitor Drainage During Rainy Seasons
Keep an eye on water flow during heavy rain. Slow drainage or pooling may indicate early blockages that should be addressed immediately.
testimonials
Manhole blockages are usually deep and severe. DIY methods are not recommended due to safety risks and the complexity of underground pipework. Professional plumbing services are the safest and most effective solution.
Most blockages can be cleared within 1–2 hours, depending on the severity, type of debris, and accessibility of the manhole. Complex cases may take longer.
Yes. Older drainage systems are more prone to sediment buildup, pipe misalignment, and root intrusion, making regular inspection and maintenance essential.
Yes. When performed by professionals, high-pressure water jetting effectively clears blockages without damaging pipes, making it one of the safest and most efficient methods for manhole cleaning.
We are a certified company driven by our excellent customer service and client experiences. We are skilled, honest, reliable, and experienced in all aspects of residential plumbing. We are local and striving to make a name for ourselves within the community.
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