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About DWC

DecRen Water Consult — integrating technology, people, and renewable energy for sustainable water solutions.

Integrated Water Management

DWC takes a holistic approach to water supply and wastewater treatment. Rather than applying a single technology in isolation, we combine appropriate processes — from ecological sanitation to renewable-powered pumping — into systems that work in real communities.

A successful technical and social integration of different technologies into a real-life project is the key objective of DWC. Every solution is shaped by local conditions, available resources, and the people who will operate it long after installation.

DWC approaches every water project as a system of interconnected parts, not as a single technical fix. By integrating ecological sanitation methods with renewable energy sources, the company designs solutions that function reliably within real communities. This holistic method considers local resources, environmental conditions, and the people who will use and maintain the system. The goal is to create water supply and wastewater treatment that works over the long term, reducing dependence on fossil fuels while keeping operational costs manageable. Each project is shaped by its unique context, ensuring that the chosen technologies complement one another and support the broader objectives of sustainability and resilience.

The team at DWC brings together specialists from multiple fields to address the full spectrum of water management challenges. From initial consultancy and analysis through to installation, training, and ongoing services, the company supports projects at every stage. This integrated approach means that technical decisions are made with an understanding of social dynamics, financial realities, and environmental constraints. Capacity building is a core part of the work, ensuring that local communities and partners can operate and maintain their systems independently. By combining expertise across disciplines, DWC delivers solutions that are both technically sound and practically viable in the field.

Renewable energy plays a central role in DWC's approach to decentralised water supply and treatment. Solar-powered pumping, biogas recovery, and other clean energy technologies reduce the running costs and environmental footprint of water systems. This focus on avoiding fossil fuel use is not just an environmental choice but a practical one, particularly in remote or off-grid locations where energy access is limited. DWC's work demonstrates that ecological sanitation and renewable-powered water solutions can be both affordable and effective. By aligning technical choices with the realities of local energy availability, the company helps communities achieve long-term water security without compromising the environment.

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Our Philosophy

Avoiding fossil fuels in the selection of required technology is not just an environmental preference — it is the only choice for a truly sustainable, long-term solution. Renewable energy integration reduces running costs and insulates communities from volatile fuel prices.

We believe that decentralised approaches, tailored to local needs, deliver more resilient outcomes than large-scale centralised infrastructure alone. This philosophy guides every project we undertake.

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A Multidisciplinary Team

DWC brings together specialists from various fields — engineering, hydrology, social sciences, and project finance — to address water challenges from every angle.

Technical Expertise

Engineers and water specialists select and adapt proven technologies for each project's unique context.

Social Integration

Community engagement and training ensure that systems are embraced, understood, and maintained locally.

Financing Support

Guidance on funding pathways helps municipalities and NGOs turn plans into operational infrastructure.

Work With Us

Ready to discuss a decentralised water or sanitation project? Get in touch with Oliver Kopsch and the DWC team.

Contact DWC