Civil engineer Janis Asare Bediako has proposed new legislation to address Ghana's persistent urban flooding with three key policy areas. This new framework targets reducing rainwater runoff from hard surfaces, which he identifies as the primary cause of overwhelmed drainage systems. Bediako advocates for proactive policy instead of reactive interventions like dredging.
His proposal focuses on green infrastructure requirements for all new developments. These include features like rain gardens, bioswales, and permeable pavements. The aim is to absorb and slow rainwater at its origin rather than channeling it directly into drains. This approach directly tackles the root cause of excessive runoff in cities like Accra.
The proposal aligns with Ghana’s broader struggle against seasonal flooding that disrupts lives and businesses. Current flood interventions often involve emergency relief, desilting, and dredging, which are temporary fixes. Bediako’s framework highlights the need for a shift towards preventative design and legislative changes to build resilient communities. Data shows persistent flooding costs Ghana millions in economic disruption and infrastructure damage annually.
Ing. Janis Asare Bediako stated, “Legislating and enforcing policies that reduce rainwater runoff from hard surfaces is the only sustainable long-term solution to the persistent flooding in our communities.” He emphasized that sustainable flood control begins with proactive governance. This expert perspective underscores the urgency of systemic changes over ad hoc responses.
The implementation of such policies would have significant implications for urban planning and real estate development across Ghana. Developers would need to incorporate new standards, potentially increasing initial project costs but mitigating long-term flood risks. Market participants will watch how Parliament and local assemblies respond to this call for binding standards. The proposal for stormwater utility fees, offering reductions for properties adopting green practices, could also reshape property valuations and incentivize sustainable development choices.
Bediako’s second pillar focuses on Low Impact Development (LID) Standards. These standards would preserve natural drainage patterns and minimize impervious surfaces. This means reducing oversized parking lots and overly wide roads. Protecting and restoring vegetated buffers along rivers, known as riparian buffers, is also crucial. These buffers naturally filter and slow runoff, improving water quality and reducing flood impact.
His third area covers Stormwater and Land Development Regulations. This pillar calls for strict erosion and sediment control during construction phases. It also suggests limiting the proportion of land that can be covered by buildings or pavement. The promotion of permeable construction materials would further enhance water absorption. These regulations aim to manage urban expansion sustainably.
A notable aspect of Bediako’s proposal is the introduction of stormwater utility fees. These fees would be based on the amount of impervious surface on a property. Owners who adopt approved stormwater management practices would qualify for fee reductions. This mechanism provides a direct financial incentive for developers and property owners to embrace green building solutions. Such an initiative could drive widespread adoption of sustainable practices.
Bediako concluded that effective enforcement, smarter urban planning, and collective commitment are critical. He believes these elements are essential for sustainable development. His recommendations reflect global best practices from cities like Singapore and Rotterdam. These cities have successfully used green infrastructure to reduce flood peaks and improve water quality. Ghana’s decision-makers face increasing pressure to adopt similar modern solutions as climate change intensifies rainfall patterns.