What flows is


ACWA is one of the leading UK players delivering innovative sustainable process solutions and technologies for both municipal and industrial clean water, wastewater and bio-solids treatment.

We design and execute resilient cost-effective technologies which address the needs of our clients and their regulatory drivers whilst helping to address climate change.

About us

All Clear Water Ahead (ACWA) our name, sums up well our purpose, to contribute to society, by treating water to wholesome drinking standards and to recycle wastewater and bio-solids, responsibly, attaining environmental sustainability.

What we do

Through developing our people and enacting our values every day, we apply our process expertise, to solve our clients challenges, utilising our in-house technologies and those of our supply chain partners, for their customers and communities served.

Case Studies

Corby Wastewater Treatment Works – Moving Bed Bioreactor (MBBR)

The MBBR reactors at Corby are 18m in diameter and were originally installed in 1998 to reduce the load onto the existing activate...


Keldgate Water Treatment Works – Nitreat® Removal Plant

The largest plant of its type in the UK Keldgate Water Treatment Works (WTW) is a vital site located in Yorkshire and it is integr...


Naburn Wastewater Treatment Works Refurbishment

Naburn provides sewage/imported sludge waste treatment for the York area. Part of the onsite treatment process involves anaerobic ...