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Sewage Treatment Plants of the World

Allenstein

Allenstein

Also known as Olstyn.  Home of Copernicus and located in the north-east part of Poland in the region known as the "Thousand Lakes". This small city was founded by the Teutonic Knights in the 14th Century. Since that time Olstyn has seen more than it’s fair share of war and plunder.  Situated not too far south and slightly east of Kalingrad, Olstyn is now part of Poland. The sewage treatment plant in the image on the left, serves the city of 175,000  Note the 1950’s technology, the Pasveer ditch.