Düker, Inverted siphon in Augsburg, Germany
The Düker is an inverted siphon system in Augsburg where two streams cross underground. The structure uses pressurized pipes that channel water downward and through the intersection point in a closed system.
The system was built in 1870 and fundamentally changed how the city managed water. It first separated surface water from drinking water in Augsburg's infrastructure.
The structure shows how Augsburg managed and distributed water resources during the 1800s. It represents the city's pride in its technical accomplishments of that era.
The site is near the Volkssiedlung tram stop and easily reached by public transport or bicycle. Visitors should be aware that much of the structure lies underground, so little is visible above ground.
The system operates entirely without pumps, relying only on water pressure and gravity. This made it a model of efficient water engineering that was copied in other cities.
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