Pollution Control and SuDS
Our Pollution Control and SuDS Services
Our pollution control and SuDS service includes:
Pollution risk assessments
SuDS design appraisals
Water quality assessments
Treatment train design
Pond and basin design
Swale and wetland design
Interceptor specification
Vortex separator design
Highway runoff mitigation
Maintenance planning
Every design is developed to manage surface water effectively while improving water quality and reducing pollution risks to downstream watercourses.
Designed to Current Guidance
Our pollution control and SuDS designs are prepared in accordance with current UK guidance and recognised standards, including:
- CIRIA SuDS Manual (C753)
- DMRB
- Environment Agency guidance
- Local Authority and LLFA guidance
- Water company requirements
- British Standards (BS EN)
- Pollution prevention and environmental best practice guidance
We ensure each design provides appropriate water quality treatment while meeting planning, environmental and drainage approval requirements.
Suitable For
We provide pollution control and SuDS design for:
- Residential developments
- Commercial developments
- Industrial sites
- Highways and infrastructure projects
- Car parks and access roads
- Schools and public buildings
- Public sector developments
- Redevelopment and regeneration schemes
Our solutions are suitable for sites where runoff quality, flood risk, maintenance and environmental compliance need to be carefully managed.
Why Choose Courous?
Our drainage engineers design SuDS and pollution control systems that balance hydraulic performance, water quality treatment and long-term maintenance. Whether using ponds, swales, wetlands, interceptors or underground treatment systems, we deliver practical solutions that protect the environment while supporting planning and regulatory approval.
Why Pollution Control and SuDS Matter
Pollution control and sustainable drainage are vital for safeguarding water quality, reducing flood risks, and ensuring compliance with environmental regulations. Properly designed SuDS systems not only manage surface water but also filter out pollutants before they enter natural watercourses, protecting ecosystems and supporting sustainable development.
At Courous, we help clients meet strict environmental standards while designing practical, low-maintenance systems that blend into new developments and highway networks. Our consultants are experienced in balancing regulatory compliance with efficient drainage design.
Our Pollution Control and SuDS Services
We offer a complete range of pollution control and sustainable drainage design services, including:
Pollution risk assessments for developments and infrastructure
Sustainable drainage strategies (SuDS) for effective surface water management
Detailed soakaway design to support infiltration where suitable
Design and integration of:
Pond design and drainage basin layout planning
Ditches and swales
Vortex separators
Oil and silt interceptors
Wetlands and green infrastructure systems
Highway drainage and pollution mitigation systems (HEWRAT)
Construction-phase pollution control plans
Maintenance and lifecycle planning for SuDS features
At Courous, we combine deep technical knowledge with practical experience to deliver bespoke SuDS drainage and pollution control systems. Our consultancy services ensure every scheme is aligned with CIRIA and DMRB standards, and incorporates best-practice solutions – from ponds and drainage basins to soakaway design and advanced filtration methods.