Building public trust, one catchment at a time

Revolutionising water management with transparency and innovation

Get in touch

Building public trust, one catchment at a time

Revolutionising water management with transparency and innovation

Get in touch

About Additive Catchments

Welcome to Additive Catchments, where our commitment to environmental stewardship and community trust guides everything we do.

Our pioneering Catchment Management as a Service (CMaaS) is at the forefront of ensuring water quality and compliance through continuous monitoring and actionable insights.

Leveraging advanced IoT-enabled sensors and AI applications, we empower water companies with the confidence to meet regulatory demands, specifically Section 82, while offering communities unparalleled transparency into the environmental impact of water management operations.

Our technology solutions​

Catchment Monitoring as a Service (CMaaS®)

Combine advanced monitoring, systems thinking and AI to gain a comprehensive view of waterway health.

Storm Overflow Monitoring

Predict and monitor the impact of storm overflows on our waterways in real time.

Agricultural Monitoring

Gain detailed insight into farming practices’ effects on local water bodies and adopt more sustainable practices, reduce runoff, and enhance biodiversity.

Nature-Based Solution Monitoring

Evaluate the effectiveness of green infrastructure in improving water quality, nutrient neutrality and habitat conditions.

Discover our solutions

Our mission

At Additive Catchments, our mission is twofold: to provide water companies with a state-of-the-art tool for compliance and environmental management, and to rebuild public trust in water management from river to sea. CMaaS represents a paradigm shi< in water quality monitoring, combining compliance assurance with the opportunity for water companies to engage positively with the communities they serve.

Our impact-driven, non-profit consortium is dedicated to delivering:

Regulatory compliance
Transparency & accountability
Actionable insights
Innovation & accessibility
Scalability & future-proofing

Why use CMaaS with Additive Catchments

Our CMaaS solution is not just a service but a partnership for progress, grounded in five core
pillars designed to exceed compliance and foster environmental regeneration:

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Working in partnership with Water Companies

We partner with water companies dedicated to enhancing their environmental stewardship and successfully navigating the complexities of stringent water quality regulations. Through a spirit of collaboration, we address the critical need for river health improvement, pioneering innovative and sustainable solutions. Our transparent and community-focused approach ensures that our efforts build public trust in our shared waterways.
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Collaborating with Governments at all levels

We collaborate with local and national government bodies, including the Environment Agency (EA), the Department for Environment, Food & Rural Affairs (Defra), and local planning authorities. Through these strategic alliances, our solutions integrate seamlessly into broader environmental strategies. We help improve policy, validate the outcomes of interventions, and support education and enforcement where needed. This approach enhances their effectiveness, contributing significantly to the UK's ecological and water quality goals while fostering public trust in our initiatives.
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Empowering Communities and Groups

We engage all stakeholders in catchments, fostering a shared sense of responsibility for our waterways. Collaborating with local groups, NGOs, and river and wildlife trusts across the UK, including 'Friends of the Dart,' we ensure our projects are transparent and inclusive. These partnerships build trust and participation, aligning initiatives with local needs and aspirations, and creating meaningful, sustainable impacts.
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Engaging Landowners and Supermarkets

We involve landowners and supermarkets, recognising their crucial role in environmental stewardship. By collaborating with these stakeholders, we promote sustainable land use and responsible supply chains. This partnership ensures our projects are inclusive and transparent, fostering trust and cooperation. Together, we align our efforts with environmental goals, enhancing the health of our waterways and building public confidence in our collective impact.
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Meet our team

Sarah Smith

Marketing Director

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Sarah Smith

Marketing Director

Fun fact

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Sarah Smith

Marketing Director

Fun fact

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Sarah Smith

Marketing Director

Fun fact

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Success story

Monitoring Bristol’s River Frome to improve carbon reduction

In partnership with Wessex Water, we conducted a comprehensive catchment scale analysis of the twenty-mile-long River Frome in Somerset.  

This project aimed to evaluate the carbon footprint, cost and deployment speed of monitoring for Section 82 requirements, yielding impressive results: 

  • 75% carbon reduction 
  • 4x faster delivery 
  • 43% cost savings 

Talk to the team

Whether you’re in pursuit of new solutions, expert guidance or simply exploring how our technology can support your environmental goals, we’re here for you.

Get in touch
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