Sewage Treatment Plant Installation & Maintenance Specialists
Reliable sewage treatment plant services for homes and businesses across Yorkshire and beyond. At DT Groundworks, we provide expert installation, servicing, and electrical repairs for sewage treatment plants, septic systems, and water treatment systems. Our qualified engineers ensure every system is safe, compliant, and built to last.
We'll get back to you within 24 hours.
Trusted by procurement teams. Independently assessed.
Our accreditations cover health and safety competence, plant operator qualifications, water authority approval and street works compliance - the credentials commercial procurement teams need to onboard us cleanly.
Our Simple 4-Step Process
Get in touch
Tell us what you need whether it's a new sewage treatment plant, an upgrade from an old septic tank, or help with an existing system. Our team will discuss your requirements and gather the details we need to get started.
Assessment & Quotation
We'll review your property setup, drainage, and discharge points to determine the best solution. Once we understand what's needed, we'll provide a clear, straightforward quotation with no hidden extras.
Professional Installation
Our qualified engineers carry out the full installation, including all groundwork, electrical connections, and system commissioning. Everything is completed safely, efficiently, and in line with current regulations.
Ongoing Care & Support
After installation, we're here for the long term. DT Groundworks provides servicing, maintenance, and system checks to keep your treatment plant running efficiently and compliant year-round.
Who We Work With
We work with a wide range of leading treatment plant manufacturers, including:
- Harlequin Sewage Treatment Plants
- Klargester Biodisc & Treatment Systems
- Marsh Sewage Treatment Plants
- Graf Systems
- Clearwater Solutions
Why Choose a Sewage Treatment Plant?
A sewage treatment plant is a modern, environmentally friendly solution for wastewater management. Unlike traditional septic tanks, these systems actively treat effluent, reducing environmental impact and helping property owners meet current regulations. Whether you're planning a new installation or upgrading an outdated system, we make the process simple, efficient, and stress-free.
Sewage Treatment Plant Installation
From initial survey to final installation, we provide a complete service for domestic and commercial clients. Our engineers install leading systems such as Harlequin, Klargester, Marsh, Graf, and Clearwater, ensuring the right fit for your property and compliance with all regulations. This service is ideal for:
- New builds and property developments
- Replacements for old septic tanks
- Upgrades to more efficient treatment systems
Sewage Treatment Plant Servicing & Maintenance
Regular servicing keeps your system running smoothly and helps avoid costly breakdowns. Our maintenance packages are tailored to the needs of each system, covering everything from mechanical checks to electrical inspections. During a service, our team can carry out:
- Pump and motor testing
- Control panel checks and electrical diagnostics
- System performance monitoring
- Baffle, Diaphragm and filter checks
- Coordination of desludging and cleaning
- Emergency call-outs when problems occur
Domestic & Commercial Solutions
We support both homeowners and businesses with tailored sewage treatment services. For domestic properties, we offer compact systems with low maintenance requirements, while for commercial and industrial clients, we design and install larger solutions to handle greater volumes of wastewater. Whatever your needs, our team will recommend and install the most effective system for your site.
Testimonials
“We had a new tank installed by DT Groundworks and the service, product and price were superb. Great communication from the office as well.”
— Richard Burgess
“Extremely happy with the company. Friendly professional team, they installed our new septic tank with minimum disruption and always replied to our telephone and email queries the same day. Would definitely recommend them.”
— Janet Hunter
“We instructed Dan to carry out a survey of a septic tank for a house we were buying. He saved us thousands picking up on an issue with the system another surveyor had missed. Very knowledgeable and professional. He has since carried out Groundworks on a self build we ended up buying. Excellent work, brilliant lads. Will use them again.”
— Nicky Titley
“Dan's team, Tim and Steve have just completed the installation of our Sewage Treatment Plant. All went extremely well and the job was completed within three days, a remarkable achievement. All was left clean and tidy on completion and we would have no hesitation of recommending them to any prospective clients who are intending to do similar work.”
— Gordon Green
“Booked a survey with DT groundwork's, very friendly and approachable, survey was for a septic tank on a house I am purchasing, Dan carried out the survey within 2 days and I had the report within 2 days, all in all great service and will definitely use them again for future work. Highly recommended.”
— Della Wilson
“Can highly recommend DT Groundworks. We needed a survey and report on a septic tank. We had a scheduled visit within 2 days and the detailed report followed within a further 2 working days. Highly professional, approachable and efficient service. Would certainly use again and will be my first point of contact for any future work we require.”
— Sarah Simpson
Frequently asked questions
Most systems require an annual service to remain compliant and efficient.
Yes. We can replace outdated septic tanks with modern sewage treatment plants that meet environmental regulations.
Absolutely — our engineers are available for urgent call-outs if your system breaks down unexpectedly.
The cost depends on the size of the system, the ground conditions, and whether you need additional works like drainage or soakaways. At DT Groundworks, we provide a clear, tailored quote after a site survey so you know exactly what to expect.
In many cases, yes — especially for new builds or if the system discharges to a watercourse. We can guide you through the process and ensure your installation complies with Building Regulations and Environment Agency requirements.
Most domestic installations take between 3 and 5 days, depending on site conditions. Commercial systems can take longer. We'll give you a clear timeline before any work begins.
A septic tank separates solids and liquids but doesn't treat the wastewater, while a sewage treatment plant actively processes effluent, producing cleaner water that can usually be discharged safely. Treatment plants are more eco-friendly and often required to meet current regulations.
Most systems need desludging once a year to prevent blockages and keep the system working properly. We can coordinate desludging as part of your service plan.
Yes. We can set up regular servicing and maintenance contracts for both domestic and commercial clients, giving you peace of mind that your system is always in good hands.
DT Groundworks operates across Yorkshire and the surrounding regions. If you're unsure whether we cover your location, get in touch and we'll confirm.
Yes. We regularly service and repair systems from leading manufacturers such as Harlequin, Klargester, Marsh, Graf, and Clearwater. Our engineers are experienced with a wide range of systems.
Yes, we provide emergency call-outs for sewage treatment plant breakdowns, electrical faults, and pump failures. Our goal is to get your system back up and running quickly.
Sewage Treatment Plant Installation & Maintenance Specialists
Whether you need sewage treatment plant installation, servicing, or electrical repairs — DT Groundworks is here to help. For urgent enquiries, please give us a call.