White Roding Sewage Treatment Works
White Roding Sewage Treatment Works (STW), located in White Roding, Essex, is a wastewater treatment facility operated by Thames Water, serving the surrounding rural and village communities. As part of infrastructure investment to improve river health and reduce pollution risk, the storm tank capacity at the works was increased in a scheme completed in 2025, with a capital investment in excess of £2 million. The upgrade supports environmental compliance and reduces the likelihood of untreated sewage discharges during storm conditions.
SRA Swift Trading’s Role: SRA Swift Trading provided site engineering support on the White Roding STW upgrade project, working within the delivery team responsible for enhancing storm tank capacity. Although detailed contractual information is limited, typical Site Engineer responsibilities included technical coordination, quality control, and onsite support for civil and process elements of the storm tank installation.
Project: White Roding Sewage Treatment Works; Essex, UK
Client: Thames Water (via delivery partners)
Location: White Roding, Essex
Project Value: Over £2 million (storm tank upgrade)
Completion: 2025
SRA Swift Trading Role: Site Engineer
The White Roding STW upgrade underscores the importance of wastewater infrastructure investment in managing storm flows and protecting the environment. SRA Swift Trading’s site engineering involvement supported the successful delivery of works that enhance the resilience of the sewage treatment facility and help reduce pollution risk for local watercourses, contributing to wider river health and environmental sustainability goals.
Scope of Works
Provided site engineering support for the upgrade of storm tank capacity to reduce untreated discharges during heavy rainfall events.
Assisted with setting-out and civil engineering coordination for storm tank structural works and associated pipework.
Supported quality assurance and compliance checks to ensure installed works met design specifications and environmental standards.
Liaised with contractor teams and client representatives to align on sequencing, safety protocols, and health & safety compliance.
Contributed to documentation of as-built records and input to site health and safety files.
Project Significance
Storm tank capacity upgrades at sewage treatment works like White Roding are critical to reducing the frequency and volume of untreated sewage discharges into watercourses during storm events, a key environmental priority for water companies and regulators.
Investment in storm tank infrastructure forms part of broader wastewater management and river health commitments being implemented across numerous sites in the Thames Water region to meet evolving regulatory expectations and environmental targets.
The completion of the White Roding STW upgrade in 2025 reflects progress in meeting wastewater resilience and river quality goals within the local catchment.
Technical Expertise
Civil and structural engineering coordination for storm tank works within a live operational wastewater facility.
Support for quality control and specification compliance on processes critical to environmental risk mitigation.
Effective communication with multi-discipline contractors and client stakeholders to support delivery in a wastewater operational environment.
Safety and Compliance
All works were delivered in accordance with relevant health, safety, and environmental procedures. Operating within an active sewage treatment works requires careful management of confined space hazards, plant interaction, and coordination with operational staff to avoid service disruption.
Environmental Considerations
Enhancing storm tank capacity directly contributes to improved environmental outcomes by reducing the risk of untreated sewage discharges during storm events. These measures support river water quality objectives and regulatory compliance for sewage works within the Thames Water region.
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