Kumasi faces looming water crisis as dam siltation reaches critical levels

The Ghana Water Limited (GWL) has raised concerns about a potential water supply crisis in Kumasi following severe siltation at two major water sources: the Barekese Dam, which is reportedly 40 per cent silted and the Owabi Dam, which has reached 75 per cent siltation.

This development, while technical in nature, signals a deeper and more urgent environmental and governance challenge that could jeopardise water security for millions of residents in Kumasi and surrounding communities.

The siltation of both dams reflects long-term environmental degradation within their catchment areas. Key contributing factors include deforestation, soil erosion, unregulated land use and encroachment on riverbanks and wetlands.

These activities increase sediment flow into rivers feeding the dams, gradually reducing their storage capacity and increasing the cost of water treatment.

If the trend continues, Kumasi could face intermittent water supply disruptions, particularly during peak demand periods and dry seasons.

Beyond infrastructure, the situation highlights broader concerns about environmental governance and land management in Ghana.

Effective water security depends not only on treatment facilities but also on the protection of upstream ecosystems.

Without proper management of catchment areas, investments in water infrastructure may be undermined by continuous environmental degradation.

Key interventions required include stricter enforcement of environmental regulations, protection of water catchment zones, reforestation of degraded areas and stronger integration of environmental planning into urban development policies.

The situation in Kumasi reflects a wider national challenge, as rapid urbanisation continues to put pressure on environmental systems across Ghana.

writer and climate communicator.