Self-produced and externally sourced businesses and their water volume in non-public water supply- free cities and districts — Year

*Short description The survey of non-public water supply and sanitation provides an overview of the overall situation of commercial water supply and sanitation. Here, water extraction methods, supply and delivery of water, origin and whereabouts of the unused water, type and quantity of sewage sludge are core characteristics of the survey, which is carried out every three years. The data comes from non-public establishments that extract water or reach a foreign reference of water of at least 10,000 cubic meters per year. The data are spatially differentiated up to the level of the district-free cities and districts. The quality report provides information on methods and definitions as well as the quality of the results of a statistics. It is available for free download on the website of the Federal Statistical Office. Here you will find the quality report (usually in PDF format) for this statistics: http://www.destatis.de/DE/Methoden/Qualitaet/Qualitaetsberichte/U mwelt/einfuehrung.html [Link to the list of quality reports in PDF format (file size approx. 0.5 MB)] ___ *Literatur — Statistical Reports North Rhine-Westphalia Here you will find the statistical publications (usually in PDF format) for North Rhine-Westphalia: https://webshop.it.nrw.de/ssearch.php?kategorie=21005 [Link to Webshop of IT.NRW, Statistics division]