Drains, Sewerage
& Tankering

Reliable, reactive and responsible.
With over 40 years of industry experience, we pride ourselves on our state-of-the-art equipment, dedicated fleet of tankers, and highly trained operatives to deliver a quality liquid waste service to all sectors throughout Wales and the Southwest.
Experience
40 years of waste experience and innovation.
Accreditations
CSCS, NEBOSH, WJA, SMSTS & SSSTS accredited.
Training
OS19X trained operatives.
Operatives
DBS vetted operatives.
Rates
100% recycling rates for collected liquid waste.
Expert drain cleaning and tanker services
Regulated by Natural Resources Wales, we deliver industry-leading drain cleaning and tanker services to commercial, industrial, retail, and construction sectors throughout Wales and the Southwest. With over 40 years of industry experience, we pride ourselves on our state-of-the-art equipment and a dedicated fleet of tankers, ensuring efficient and reliable waste management solutions for your business.
As part of our commitment to a greener future, we recycle 100% of all collected liquid waste, helping reduce environmental impact and promote sustainability. All waste is treated either at our specialist water treatment facility in Newport or at a fully-licensed partner facility.
Services
Drain
We provide a full suite of industrial drainage services including clearance, maintenance and repair to keep your drainage systems working and compliant.
Sewers
We specialise in maintaining and servicing sewerage systems, including septic tanks, cesspits, and portable toilet tanks ensuring optimal hygiene and functionality.
Surveying & Inspection
Our state-of-the-art CCTV rigs are able to assess pipelines and manholes of all sizes, assessing structural integrity and identifying issues such as blockages or damage.
Tanker Services
We operate an extensive fleet of tankers, expertly handling surplus liquid waste with swift response times to prevent potential disasters.






Experts in the field.
With 40+ years of drainage expertise and a cutting-edge fleet, we’re equipped to handle any job, no matter the size or complexity.
- Fleet of modern tankers.
- Over 350 liquid waste jobs completed every month.
- Licensed waste carrier.
- Advanced CCTV rigs.
- Fully coded Wincan reporting.
- NRW permitted treatment plant.
Blocked Drains
Our powerful jetting equipment restores full flow quickly and safely, preventing recurring drainage issues and costly repairs.
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CCTV Drain Surveys
Using high-definition camera technology, we inspect the inside of your pipes to pinpoint problems like blockages, cracks, root ingress, or collapsed sections.
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Confined Space Entry
Our trained and certified team is equipped to carry out inspections, maintenance, and emergency work in hazardous or restricted environments such as tanks, sewers, and utility chambers.
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Flood & Oil Spill Clearance
Fast, effective response is critical when dealing with floods or oil spills. Our experienced team provides rapid clearance services to minimise environmental impact, property damage, and safety risks.
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Grease Trap Cleaning and Emptying
Regular grease trap maintenance is essential for preventing blockages, foul odours, and costly drainage issues in commercial kitchens and food service environments.
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Gully Emptying & Cleansing
Our gully emptying and cleansing service removes silt, debris, and waste build-up to restore optimal flow and prevent environmental hazards, long-term drainage damage or surface water flooding.
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Interceptor Cleansing
Regular cleansing is essential to maintain performance and meet environmental compliance. Our team provides thorough interceptor cleaning, waste removal, and proper disposal.
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Patch-lining Repairs
We apply targeted repairs from within the pipe, eliminating the need for excavation. We can repair localised damage within drainage pipes, including cracks, fractures, and root intrusion.
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Septic Tank & Cesspit Emptying
Regular emptying and maintenance of septic tanks and cesspits are essential to prevent blockages, unpleasant odours, and environmental contamination. Our specialist team provide emptying services ensuring using modern vacuum equipment, ensuring waste is removed and disposed of responsibly in compliance with all regulations.
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Pump Hire
Whether you need temporary dewatering, flood relief, or fluid transfer solutions, our pump hire service offers a range of high-quality pumps suitable for various applications.
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Tank Cleaning
Our team uses specialised equipment and techniques to remove sludge, residues, and contaminants, ensuring your tanks remain clean and fully operational. We handle all waste responsibly and follow strict environmental standards.
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Manhole & Asset Surveys
We operate advanced survey rigs for drainage infrastructure for a wide range of clients from SMEs, to local authorities and multi nationals.
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Marine & Industrial Oil
We provide marine and industrial oil waste collection using advanced suction and jetting tankers for Port Authorities and Shipping Agents across the UK.
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Accreditations
Learn more about our dedication to quality and safety.
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Get a Quote
Optimising your drainage and sewage networks.
Get in touch today to see how we can help your business.


Don’t just take our word for it…
“Colliers have instructed GD Facilities Management to undertake a wide range of repairs to the sites we manage, we have always found them to be highly reactive and able to meet deadlines. They are very flexible and undertake work to a high standard.”
Ian Duck, Colliers
“We have been working closely with GD Environmental to achieve the maintenance for the Highways Network for approximately 20 years. During this time, we have cemented a partnership with GD Environmental, in particular with Oliver Hazell and Mark Williams at the forefront and driving their company’s passion and aim to recycle. This has been supported by the close working arrangement of our Highways Operations Support Team and GD Environmental’s Customer Support Team.”
Chris Price, Monmouthshire County Council
“Over the last 4 years, we’ve hired GD’s Wet Waste services for several of our development sites. Chris and the Wet Waste Team offer a quality and competitive service package.”
Elliot Kingdon, Redrow Homes
“GD have provided a wide variety of their Wet Waste services over the course of the last 15 years from high pressure jetting to confined space entry and filter repairs. They’re services is high quality and reactive, which is why we keep using them year after year.”
Oliver Heath, IAS Enviro
“Over the past five years, GD Environmental has proven to be an exceptional partner. Their consistent delivery of high-quality services has played a vital role in the success of our developments across the region. What truly sets them apart is their unwavering reliability—even in the most challenging circumstances. I was particularly impressed by how both the team and management handled out-of-hours emergency tankering call-outs during extreme weather conditions. Their professionalism and commitment ensured our operations continued without disruption.”
James Morgan, Bellway Homes
“GD FM consistently delivers reliable, high-quality facilities management. Their team is responsive, proactive, and skilled across a wide range of services—from specialist cleaning, drainage, waste management and can generally provide a solution for any of our general operational issues that pop up in day to day running of the site. When a time sensitive or serious problem pops up, GD FM are one of the first companies I think of and can trust to deliver a high-level service to help remedy the problem and keep our site operating to a high level. “
Jamie Nation, MAPP
We’re committed to a greener future.
Sustainability is at the heart of our business. Learn more about our green credentials, how we’re reducing waste and promoting a cleaner, more sustainable future.

Can’t find what you’re looking for?
We’ve shared some of our most frequently asked questions (FAQs) to help you out.