Veneto's emergency drought pushes saltwater inland, threatening farms and wetlands

Veneto declared a formal state of emergency Thursday due to drought conditions that have left the region with more than a quarter less rainfall than the same period in 2025, according to The Local Italy. The crisis centres on the Po River, Italy's longest waterway, which flows through the heart of the northeastern agricultural belt before emptying into the Adriatic. Devdiscourse reported that the river's dramatically reduced flow has allowed saltwater intrusion to penetrate as far as 18 kilometres inland, a phenomenon that threatens both commercial agriculture and the protected wetlands of the Po Delta, a Ramsar site of international ecological importance.

The European heatwave that has gripped the continent since late June has accelerated the drought's intensity. The Po River Authority (ADBPO) told The Local Italy on Friday that several northern Italian waterways remain in a 'critical state' with poor weather forecasts offering little relief in the coming days. Devdiscourse's coverage emphasised that the saltwater intrusion poses acute risks to irrigation systems, crop yields and livestock watering across the Veneto plain, one of Europe's most productive agricultural regions. The intrusion also threatens the integrity of the lagoon itself, as the delicate balance between freshwater and saltwater ecosystems that sustains Venice's unique environment depends partly on the Po's outflow.

For Venice and the broader Veneto region, the drought compounds an existing climate crisis. The lagoon city faces subsidence, rising sea levels and the MOSE flood barrier system's ongoing maintenance demands. The Po's collapse adds a new dimension: reduced freshwater flow weakens the natural barriers against saltwater encroachment that have historically protected both the lagoon and the agricultural hinterland. Regional authorities have not yet disclosed specific measures beyond the emergency declaration, but the crisis underscores the interconnected vulnerability of Veneto's environment.