Corcoran Precast Tanks provides septic tank services, wastewater treatment, rainwater harvesting, oil intercepters, and more for domestic & commercial customers.

Welcome to Corcoran Precast Tanks

Corcoran Precast Tanks is an Irish owned family-run business with over 40 years’ experience in the Septic Tank and Waste Water services sector, offering a range of services and products suitable for wastewater treatment, rainwater harvesting, percolation, and more. Our team offers a full design, supply, installation and maintenance services for both domestic and commercial applications. We work with customers throughout Ireland, offering an extensive range of solutions to meet the needs of a diverse range of clientele.

Whether we supply and commission your domestic/commercial Waste Water Treatment system or provide you with a total turnkey package, you can rest assured that we will provide an efficient and professional service from start to finish. We have a diverse product range available, and we are equipped to meet the needs of a variety of small or large scale operations.

We pride ourselves in knowing that all of our customer’s unique specifications, however big or small, are not only met but surpassed. Our water waste 

management systems are the most efficient and most cost effective on the market, saving you time and money while keeping your home or office

safe, clean, and functional.

Why Choose Us?

  • Helpful and friendly highly skilled team.

  • 2 years warranty as standard on our waste water treatment systems

  • Extended warranty available

  • Supporting Irish jobs and Irish industry

  • Fully insured

  • Complete aftercare service

  • No hidden charges

  • Range of Percolation Products & Services Subtext

  • Experts in Domestic & Commercial Wastewater Systems Subtext

Corcoran Precast Tanks offers the most efficient and most cost effective water waste management systems on the market. Call us to discuss your requirements.

about us

About Us

Corcoran Precast Tanks is an Irish owned family-run business with over 40 years’ experience in the Septic Tank and Waste Water services sector. We work with domestic and commercial customers to install professional products & systems to meet all requirements.

Septic Tank Upgrades


We offer a massive range of rainwater harvesting, waste water treatment systems, percolation systems and more for clients. As well as offering design and installation services, we will provide you with all necessary products & equipment needed for these new domestic and commercial systems.



We manufacture and supply a variety of septic tank sizes, including  shallow tank design, which allows for placement in areas where bedrock may be a problem. As well as our range of septic tanks, we supply oil interceptors, pump systems, rainwater harvesting systems, and more.