Much of Osaka’s hydraulic infrastructure, one of Japan’s most populous cities, has exceeded the recommended lifetime of 40 years. Official data indicate that more than 90 water leaks were recorded during fiscal year 2024, reflecting the accumulated deterioration of the underground network. In addition, national estimates indicate that more than 20% of the country’s pipelines have exceeded their optimal operating period, increasing the risk of br…
Much of Osaka’s hydraulic infrastructure, one of Japan’s most populous cities, has exceeded the recommended lifetime of 40 years. Official data indicate that more than 90 water leaks were recorded during fiscal year 2024, reflecting the accumulated deterioration of the underground network. In addition, national estimates indicate that more than 20% of the country’s pipelines have exceeded their optimal operating period, increasing the risk of br…