Einsiedel Dam
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Einsiedel Dam () is located in the German
Free State of Saxony Saxony, officially the Free State of Saxony, is a landlocked state of Germany, bordering the states of Brandenburg, Saxony-Anhalt, Thuringia, and Bavaria, as well as the countries of Poland and the Czech Republic. Its capital is Dresden, and ...
. Its reservoir supplies
drinking water Drinking water or potable water is water that is safe for ingestion, either when drunk directly in liquid form or consumed indirectly through food preparation. It is often (but not always) supplied through taps, in which case it is also calle ...
to
Chemnitz Chemnitz (; from 1953 to 1990: Karl-Marx-Stadt (); ; ) is the third-largest city in the Germany, German States of Germany, state of Saxony after Leipzig and Dresden, and the fourth-largest city in the area of former East Germany after (East Be ...
and, in conjunction with the Central Ore Mountains reservoir system, that includes the reservoirs of Neunzehnhain I, II and Saidenbach also supplies water to the entire region covered by the South Saxony Long Distance Water Association (''Zweckverband Fernwasser Südsachsen'').


Construction, use and history

In May 1883 the population of Chemnitz exceeded 100,000 and it became the 15th city in Germany. The supply of drinking water to the city had been provided by a waterworks built in 1872–1874, that could no longer cope with the increasing water consumption of the growing city. An increase in its capacity was no longer possible due to the limitations of terrain and rising pollution of the
Zwönitz Zwönitz (; Upper Sorbian language, Upper Sorbian: ''Zwonica'') is a town in the district Erzgebirgskreis, in Saxony, Germany. It is situated south of Stollberg, and southwest of Chemnitz. Parts of the town Zwönitz consists of: Populati ...
, which meant that the source of water supply had to be switched from ground to surface water. The local council of Einsiedel, which lay below the proposed dam, had unsuccessfully objected against the dam site in Stadtguttal in light of the breach of the
South Fork Dam The South Fork Dam was an earthenwork dam forming Lake Conemaugh (formerly Western Reservoir, also known as the Old Reservoir and Three Mile Dam, a misnomer), an artificial body of water near South Fork, Pennsylvania, United States. On May 31, ...
in 1889 that had caused approximately 2,200 deaths. Between 7 November 1890 (laying of the foundation stone) and 14 June 1894 (dam opening) the oldest drinking water-retaining dam in Saxony emerged which, after the Eschbach Dam and Panzer Dam, is also the third oldest in Germany. It cost 1.3 million marks and an average of 142 workers were employed in its construction. A water works was built below the dam that led the treated water through a 3.3 km long tunnel into Chemnitz's water supply network. At the time of commissioning the Einsiedel Dam was considered a technical masterpiece. It was assessed as excellent at the
World Exhibition A world's fair, also known as a universal exhibition, is a large global exhibition designed to showcase the achievements of nations. These exhibitions vary in character and are held in different parts of the world at a specific site for a perio ...
s in
Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...
(1900) and
St. Louis St. Louis ( , sometimes referred to as St. Louis City, Saint Louis or STL) is an independent city in the U.S. state of Missouri. It lies near the confluence of the Mississippi and the Missouri rivers. In 2020, the city proper had a populatio ...
. The Einsiedel barrage is a curved
gravity dam A gravity dam is a dam constructed from concrete or stone masonry and designed to hold back water by using only the weight of the material and its resistance against the foundation. Gravity dams are designed so that each section of the dam is ...
made of quarrystone, based partly on the
Intze principle The Intze Principle () is a name given to two engineering principles, both named after the hydraulic engineer, Otto Intze, (1843–1904). In the one case, the ''Intze Principle'' relates to a type of water tower; in the other, a type of dam. Intze ...
, but without the Intze wedge, retaining wall drainage and water-side protective layer (facing). It is a "large dam" by
ICOLD The International Commission on Large Dams, or ICOLD ( or ''CIGB''), is an international non-governmental organization dedicated to the sharing of professional information and knowledge of the design, construction, maintenance, and impact of large ...
criteria and impounds the waters of the ''Stadtguttalbach'', it also receives water channeled from the Neunzehnhain I Reservoir. The reservoir is used for drinking water, which is why swimming, fishing and recreational sports, etc., are not permitted in the reservoir. The dam is also used to a limited extent for
flood control Flood management or flood control are methods used to reduce or prevent the detrimental effects of flood waters. Flooding can be caused by a mix of both natural processes, such as extreme weather upstream, and human changes to waterbodies and ru ...
.


See also

*
List of dams and reservoirs in Germany These are dams and reservoirs in Germany. The German language, German word ''Talsperre'' (literally: valley barrier) may mean dam, but it is often used to include the associated reservoir as well. The reservoirs are often separately given names ...


Notes


Sources

* Dieter Bock: ''100 Jahre Talsperre Einsiedel bei Chemnitz.'' in: '' Erzgebirgische Heimatblätter''. Heft 5/1994. p. 25–26,


External links


Information on the dam by the Saxon State Reservoir Agency
{{Authority control Dams completed in 1894 Dams in Saxony Protected landscapes in Germany Ore Mountains REinsiedel Chemnitz