Sweden faces increasing challenges to its drinking water security due to a combination of factors. Acute water shortages are becoming more frequent, exacerbated by a changing climate. Existing aging infrastructure, specifically water pipes, contributes to the problem, increasing the risk of bacterial and parasitic contamination. The nation must now decide between investing in wastewater treatment solutions or relying on ocean-based water sources to ensure a safe and reliable supply. These potential solutions are being considered as climate change intensifies existing vulnerabilities in the water system. The situation demands urgent attention and strategic investment to protect public health and maintain access to potable water.