Located on the Oder River, the anti-flood reservoir was built following lesson from the 1997 “flood of the century” that devastated the two cities. It took a decade and some 2 billion zlotys ($520 million) to build and two villages had to be resettled. Part of the funds came from the European Union and the World Bank.
Floodwater reservoir becomes Poland's hero for preventing major flooding
Grateful Poles are heaping praise to honor their silent hero that just saved them: a floodwater reservoir that spared the cities of Opole and Wroclaw from imminent flooding that ravaged parts of Central Europe.
AP News (apnews.com)