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  2. Water supply and sanitation in Germany - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    In 2004 water tariffs averaged 1.81 euro per cubic meter including VAT, and sanitation tariffs averaged 2.14 euro per cubic meter. [29] According to NUS consulting water tariffs in Germany (without sanitation) were the highest of 16 mainly OECD countries at the equivalent of US$2.25 per cubic meter, about on par with tariffs in Denmark.

  3. Cologne sewerage system - Wikipedia

    en.wikipedia.org/wiki/Cologne_sewerage_system

    A mechanised waste water plant opened in 1905 and five purification plants now filter the water before releasing it into the Rhine. [1] [3] By 1933 the length of the system measured 735 kilometres (457 mi), [3] and by 2011 it had expanded to 2,400 kilometres (1,500 mi). [4]

  4. History of water supply and sanitation - Wikipedia

    en.wikipedia.org/wiki/History_of_water_supply...

    The Metropolitan Commission of Sewers was formed at the same time, water filtration was adopted throughout the country, and new water intakes on the Thames were established above Teddington Lock. Automatic pressure filters, where the water is forced under pressure through the filtration system, were innovated in 1899 in England. [122]

  5. Well poisoning - Wikipedia

    en.wikipedia.org/wiki/Well_poisoning

    The group's leader Abba Kovner went to Mandatory Palestine in order to secure large quantities of poison for poisoning water mains to kill large numbers of Germans. His followers infiltrated the water system of Nuremberg. However, Kovner was arrested upon arrival in the British zone of occupied Germany and had to throw the poison overboard. [3]

  6. Water supply and sanitation in the European Union - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    Water supply and sanitation (WSS) in the European Union (EU) is the responsibility of each member state, but in the 21st century union-wide policies have come into effect. [citation needed] Water resources are limited and supply and sanitation systems are under pressure from urbanisation and climate change [citation needed].

  7. History of water filters - Wikipedia

    en.wikipedia.org/wiki/History_of_water_filters

    Hippocrates believed that water had to be clean and pure. Rainwater was the best water, but had to be boiled and strained before drinking to get rid of the "bad smell" and to avoid hoarseness of the voice. [3] [4] He designed a crude water filter to “purify” the water he used for his patients. Later known as the “Hippocratic sleeve ...

  8. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Station for complex water treatment SKO-10K. One of the first steps in most conventional water purification processes is the addition of chemicals to assist in the removal of particles suspended in water. Particles can be inorganic such as clay and silt or organic such as algae, bacteria, viruses, protozoa and natural organic matter.

  9. Sewer Murders - Wikipedia

    en.wikipedia.org/wiki/Sewer_Murders

    For some time, a 40-year-old storeman from Offenbach, who was mainly convicted of multiple sexual misconducts toward minors and molestation, had been the prime suspect. He was known for enticing homeless teens to his summer house in Riederwald where he performed sadistic sex games with them.