Wastewater

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We specialise in the design of Wastewater Treatment Works (WwTWs) and networks, delivering both new-build facilities and refurbishment schemes that increase capacity and meet new regulatory standards. Our services encompass full process design, hydraulic modelling, site layout development, and integration with existing networks and assets.

Whether developing a new WwTW from a greenfield concept or upgrading ageing infrastructure, we provide engineered solutions that enhance resilience, improve operability, and ensure compliance with evolving environmental requirements.
Llanfaethlu-Wastewater-Treatment-Works-6

Waterco Datrys

Wastewater Treatment Works

Working with water companies and contractors, we are delivering tailored design solutions for Wastewater Treatment Works and CSOs, supporting both new construction and refurbishment of existing sites during AMP8.

Our team provides hydraulic modelling, treatment optimisation, and site reconfiguration to expand capacity or achieve improved final effluent quality / phosphate removal. From concept development to detailed design, we ensure treatment assets are efficient, compliant, and equipped to meet future performance demands.
Process Assessment

Evaluating existing treatment assets and site layouts to identify opportunities for optimisation and capacity expansion.

Hydraulic & Process Design

Developing hydraulic models and treatment process configurations to achieve compliance and improved effluent quality.

Mechanical & Electrical Integration

Designing treatment plant infrastructure, including aeration, chemical dosing, and control systems for reliable operation.

Compliance & Future-Proofing

Ensuring treatment works meet UK water industry standards and are adaptable to future regulatory requirements.

Waterco Datrys

Wastewater Modelling & Planning

Our services are designed to ensure networks operate efficiently today while remaining resilient for the future. By engaging early, we gather accurate and accessible base data, which is then verified against field measurements.

This robust approach allows us to build reliable models that support effective decision-making, highlight risks and identify opportunities for improvement across wastewater networks.
Waste water modelling
Flood Risk Mitigation

Our team works with partners to assess the impact of potential foul water flooding and develop preventative strategies that protect communities and assets.

Future-proofing networks

Modelling provides intelligence on how networks can accommodate future growth, highlighting where upgrades or reinforcements may be required.

Operational Optimisation

We support water companies by identifying opportunities to improve asset performance, such as refining pumping regimes or prioritising pipe upgrades.

Targeted-problem solving

We identify and address root causes of operational issues such as blockages, surcharging, or deteriorating pipe conditions, enabling effective and lasting solutions.

business continuity plan

Waterco Datrys

Business Continuity Plan

We can provide a Business Continuity Flood Risk Assessment report detailing the practical measures that can be incorporated into a business to reduce risk by minimising disruption to people, property and trade.

Mitigating measures, to reduce these consequences, can be used to satisfy legal obligations to employees, the public and the environment. The key benefits of having and implementing a Business Continuity Plan are:
Accurate and accessible base data

We ensure the base data used in assessments is reliable and easy to access for decision-making.

Network Model verification

We validate network models against field measurements to provide confidence in the results.

Early staff engagement

Engagement with operational staff at the earliest opportunity to gain an understanding of the system and its operation.

Tailored mitigation strategies

We recommend practical, site-specific measures that strengthen resilience and support long-term continuity.

Waterco Datrys

Technical Expertise

Throughout the process, there is a range of complex variables that impact a system’s performance. We help develop cost-effective solutions by undertaking wastewater network modelling at each stage of the design: optioneering, feasibility, detailed design and commissioning.

These services not only help save time and money but improve asset operation. Our team has considerable experience in wastewater network modelling, from the original non-graphical methods to the current ‘all pipe models.’
Technical Expertise
Extensive wastewater network modelling experience

From the original non-graphical methods to the current ‘all pipe models.’

Latest software packages

Including InfoWorks CS and InfoWorks ICM.

Chartered Engineers with the requisite accreditations.

Following the competency framework laid down by the Chartered Institute of Water Environmental Management (CIWEM) Urban Drainage Group (UDG).

Our Work

Case Studies

Our Projects

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Wastewater Team

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Frequently Asked Questions

We’ve partnered with Welsh Water since 1998, delivering water-main renewals, drainage design, and wastewater treatment projects. Our experience also includes work with Severn Trent, Thames Water, and United Utilities, alongside Tier 1 and 2 contractors across the UK.

We work with asset managers and operators across water, power, and transport sectors, helping public and private clients maximise asset value. Our experience includes projects with Highways England, National Trust, Northern Powergrid, Welsh Water, Western Power Distribution, Keele University, and Public Health England.

A Flood Risk Activity Permit is a legal requirement for works on or near main rivers, flood defences, culverts, floodplains, or sea defences. Introduced in 2016 under the Environmental Permitting (England & Wales) Regulations, it ensures that proposed activities do not increase flood risk, impact drainage, or harm the environment.

Hydraulic and hydrological modelling provides vital insights into the behaviour of watercourses and networks. We use these tools to help clients implement sustainable water management solutions, enhance asset performance and establish resilient strategies to respond effectively to operational challenges and emergencies.