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German Water Utilities Warn of Heatwave Strains and Future Shortages

Municipal providers report this summer's heatwaves pushed systems to their limits, with two-thirds predicting more shortfalls unless public supply gains legal priority

Overview

  • A VKU survey of 127 municipal suppliers found 45% experienced spikes in customer demand during recent heat periods.
  • Nearly 30% of suppliers have faced temporary shortages and 16% reported networks or treatment systems operating at capacity.
  • Sixty-six percent of respondents expect supply shortfalls to increase, including 18% forecasting significant deficits.
  • About 25% of utilities are subject to regulatory extraction limits, and nearly half have intensified public appeals for water conservation.
  • VKU is calling for a legal priority for public water, streamlined permitting processes and access to federal climate and infrastructure funds to strengthen resilience.