We also manage Insurance Claims.





At Depawater Ltd, we specialise in the comprehensive installation of septic tanks and wastewater treatment plants across Northern Ireland. With over 25 years of experience, our expert team ensures a seamless process from initial consultation to final commissioning, delivering reliable and efficient solutions tailored to your specific needs.
Expertise & Experience: Serving Northern Ireland since 2008, we’ve successfully installed thousands of systems for both residential and commercial clients.
Certified Professionals: Our engineers are accredited by British Water, and all our products are CE certified, ensuring compliance with the highest industry standards.
End-to-End Service: From site assessment and design to installation and aftercare, we manage every aspect of the project, providing peace of mind throughout the process.
Tailored Solutions: We offer bespoke systems designed to meet the unique requirements of your property, ensuring optimal performance and longevity.








Our team conducts a thorough evaluation of your property to determine the most suitable system and installation strategy.
We develop a customised plan that aligns with your property's needs and complies with local regulations.
Assistance with obtaining necessary permissions, including planning permission and NIEA consent to discharge, ensuring full legal compliance.
Our skilled site operatives carry out all excavation work and install the septic tank or treatment plant with precision and care.
We connect all necessary pipework and electrical components, integrating the new system seamlessly into your property's infrastructure.
Post-installation, we thoroughly test and commission the system to ensure optimal functionality.
We restore the site to its original condition, minimizing any disruption to your property's appearance.
Our commitment doesn't end at installation; we offer ongoing maintenance services to keep your system running smoothly.
Whether your building a new home or have a commercial project or are upgrading an old system, Depawater is here to help. With over 25+ years of experience, trusted Tricel products, and a personal, professional approach – we’re the team you can rely on to get the job done right. We manage insurance claims, making the process as smooth and stress-free as possible.