!!!Wiener Hochquellenleitungen

Vienna Spring Water Supply System: Vienna's first spring water supply 
system was constructed from 1870 to 1873 (preliminary geological work 
by E.  Suess); it conducts water from springs in the Rax and 
Schneeberg Mountains to Vienna (length of entire system: 130 km, 
water reservoir with a capacity of 150,000 m%%sup 3/% on the 
Rosenhuegel hill). A large reservoir (600,000 m%%sup 3/%) was 
built in Neusiedl am Steinfeld (Lower Austria) between 1953 and 1959. 
Water from the Siebenquellen springs at the south foot of the 
Schneealpe mountain is collected in a tunnel of 10 km length, 
which was constructed between 1965 and 1969. The Pfannbauernquelle 
spring at Gusswerk (Styria) was added from 1985-1989.

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A second spring water supply pipeline was built between 1900 and 1910; 
it transports water from the Hochschwab Mountain area (between 
Wildalpen and Mariazell, Styria) to Vienna (total length: 200 km, 
water reservoir at Lainz with a capacity of 144,000 m%%sup 3/%). 
The first and the second Vienna spring water supply pipelines cover 
around 95 -97% of the amount of water required by the 
municipality of Vienna (1997: approx. 
142 mio. m%%sup 3/%/year). Water Pipeline Museums in 
Kaiserbrunn (Wasserleitungsmuseum in Kaiserbrunn, in the municipality 
of Reichenau, Lower Austria) and at Wildalpen.

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To ensure water supply at peak times or when break downs occur and to 
accommodate future increases in water demand, a ground water work was 
constructed at the Mitterndorf Senke (third Vienna water supply 
pipeline) in 1998. The filtered water is transported to Vienna from 
the region of Moosbrunn-Mitterndorf (Lower Austria) via a 16 km 
long pipeline to the reservoir at Unterlaa (capacity: 
162,000 m%%sup 3/%).

!Literature
Die 2. Kaiser-Franz-Josef-Hochquellenleitung der 
Stadt Wien, 1910; A. Drennig, Die I. Wr. 
Hochquellenwasserleitung, Festschrift, 1973; idem, Die II. Wr. 
Hochquellenwasserleitung, Festschrift, 1988.


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