Ireland Waste Water is a privately owned Irish company founded in Cork by Mary & Niall Mulcahy over twelve years ago.

We can design, manufacture and install all of our precast concrete wastewater treatment systems, septic tanks, interceptors, grease traps, rain water harvesting systems. We also manufacture precast holding tanks for farm effluent, drinking water, etc.

Along with installing and maintaining our different treatment plants. Ireland Waste Water was the 1st Irish Company to get the CE Mark & EN 12566-3 for their sewage treatment tank.

Our products now come in a range of sizes and include: