Municipal wastewater treatment

Efficient wastewater and sewage treatment plant technologies for UK environmental compliance.

Energy-efficient effluent treatment technologies for resource reuse and environmental compliance.

What is municipal wastewater treatment?

We use lots of water in our kitchens and bathrooms, creating waste water to treat. Rainwater also runs off roads, rooves and land. This must all be collected for treatment and re-use.

Municipal wastewater treatment describes the process of cleaning this sewage and dirty water. Carried out at a sewage treatment plant, removal of contaminants is followed by water purification. The treated water is then safely returned to the environment, ready for use again.

Why is treatment important?

As the world’s population expands, pressure on important resources such as water is immense. Treating municipal wastewater and sewage ensures we re-use every possible drop.

Run-off rainwater contains pollutants such as pesticides from land, petroleum by-products, and bacteria. A wastewater treatment plant removes these, making the water safe to return to the environment. Without doing so, the natural world and public health would be at risk.

With such high volumes of sewage and waste water to process in the UK, treatment plants must operate as efficiently as possible. That comes down to having the right technology and guidance.

Veolia technologies for wastewater and sewage treatment plants

At Veolia, we see wastewater and sewage as resource water. Our technologies help treatment plants cost-effectively process and recover clean water.

Whilst we provide equipment for new plants, we also upgrade aging treatment sites. This makes them more effective for today’s high demands. It also avoids costly expansion and ensures the highest output from existing services.

We provide systems to enhance all treatment stages - from clarification and filtering to separation and treatment. In fact, our wastewater treatment technologies will ensure your plant is fully compliant, delivering high standards daily.

Key Veolia treatment technologies:

  • Efficient pre-treatment
  • Stormwater management
  • Smart lagoon upgrades
  • Existing plant upgrades
  • Improved wet weather capacity
  • Full treatment plant specification

A Veolia-patented high-performance water clarifier for municipal and industrial water treatment.

The filter offers a large filtering area in a small footprint for municipal effluent polishing and industrial water reuse.

A biological wastewater treatment solution combining activated sludge and moving bed biofilm reactor (MBBR) processes for nitrogen removal.

An ecological and economic wastewater odour-control system for a healthier environment.


Our teams of industry experts work with you to supply the water technologies and services you need to overcome challenges in your market.

Solutions to design, build, maintain and upgrade municipal water and wastewater treatment facilities.

Water Treatment Technologies

Our wide range of technologies has been developed as a result of our team of technical experts closely following market trends and demands.

Forming a barrier using water filtration treatment processes, physically separating solids from water.

Clarification water treatment that separates particles in suspension from clear water using gravity.

Aerobic wastewater treatment systems that produce high-quality secondary effluent for safe discharge

Technology for separating and recovering phosphorus contained in effluents, enhancing flocculation.

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