Comprehensive, Flexible Services for Meeting Nutrient Neutrality Requirements

CSG offers tailored solutions to help planners and developers meet regulatory demands and unlock development opportunities. We can deliver a fully managed nutrient neutrality service or support with specific steps.

Contact us today to discuss your project’s needs.

Why Choose CSG?

Unmatched Access to a Trusted Network: With access to over 30,000 household customers with septic tanks, many in nutrient neutrality catchments, we are uniquely positioned to deliver large-scale and targeted solutions. Our longstanding relationships mean homeowners trust us to deliver expertise and value.

Established Relationships with Local Authorities: We are already working with numerous local councils to deliver nutrient neutrality solutions. Our deep understanding of the regulations and approval processes ensures efficient, compliant results.

90 Years of Expertise: Trusted leaders in wastewater management since 1934.

Accredited Professionals: UK’s largest network of British Water-accredited engineers ensures all work meets regulatory competencies.

Environmental Impact: Proven solutions to reduce nutrient pollution and support sustainable development.

How We Work: End-to-End or Modular Services

Whether you need full-service support or assistance with specific steps, CSG adapts to your project’s requirements.

Already have a nutrient budget? We can handle the offsetting and compliance steps.

Starting from scratch? We’ll assess your project, calculate nutrient budgets, and manage everything through to system maintenance.

We ensure every project meets nutrient neutrality requirements efficiently and sustainably.

Why Septic Tank Upgrades for Nutrient Neutrality? Practical and Environmental Benefits

Replacing outdated septic tanks with advanced package treatment plants offers both environmental and practical advantages:

• Reduced Nutrient Pollution: Our advanced system upgrades reduce harmful nitrogen and phosphate discharges to safer levels.
• Improved Water Quality and protecting public health: Upgraded systems protect sensitive ecosystems and biodiversity.
• Sustainable Wastewater Management: Scheduled maintenance ensures ongoing compliance and performance in perpetuity.
• Alignment with Environmental Goals: Supports local and regional efforts to protect nutrient-sensitive habitats.
• Solutions for Small and Upstream Catchments: Septic tank upgrades can be implemented in areas where land-based schemes, such as wetlands, are not viable. This makes them ideal for smaller catchments or upstream of larger wastewater treatment works.
• Flexibility for Developers: These upgrades provide a practical option for meeting nutrient neutrality requirements in locations where other mitigation strategies are unavailable.

Use Cases

Tailored Mitigation for Specific Developments

• For developers needing to meet nutrient neutrality requirements
• We calculate nutrient budgets (if required).
• Identify eligible septic tank replacements.
• Manage legal agreements and approvals.
• Ensure all mitigation aligns with regulatory standards.

Scalable Credit-Based Mitigation

• We generate and sell nutrient credits by completing septic tank replacements at scale.
• Credits can be purchased to meet planning obligations, offering flexibility and efficiency.

Contact CSG Today

Let CSG simplify your nutrient neutrality requirements. With access to a trusted network of septic tank owners, a proven track record in wastewater management, and a commitment to sustainability, we’re your ideal partner.

Contact our team today to discuss your project and get started.