The UNSD/UNEP & OECD/Eurostat questionnaire Jeremy Webb, Ulrich Wieland Environment Statistics Section UN Statistics Division
Vienna Work Session on Water Statistics Main questionnaires UNSD Questionnaire on Environment Statistics, water section OECD/Eurostat Questionnaire on the State of the Environment, section on Inland Water FAO water questionnaire GEMS-Water questionnaire 20/06/2005 Vienna Work Session on Water Statistics
UNSD Questionnaire on Environment Statistics, water section Data collected every 2 years from 153 countries (excl. OECD and Eurostat countries) First version 1999, next sending March 2006 Results published on UNSD Web-site Covers water resources, abstraction, use, treatment, quality, and population served 20/06/2005 Vienna Work Session on Water Statistics
UNSD Questionnaire on Environment Statistics, water section Table W1: Renewable Fresh Water Resources Table W2: Water Abstraction by Source Table W3: Water Use by Supply Category and Activities Table W4A: Waste Water Generation Table W4B: Waste Water Treatment Table W4C: Waste Water Treatment Facilities Table W5: Selected Variable at the City Level Table W6-8: Water quality 20/06/2005 Vienna Work Session on Water Statistics
Vienna Work Session on Water Statistics OECD/Eurostat Questionnaire on the State of the Environment, section on Inland Water Data collected every 2 years from 40 mainly developed countries First version 1980, next sending March 2006 Results published on OECD and Eurostat Web-site, and through the OECD compendium Covers water resources, abstraction, use, emissions, treatment, quality, and population served 20/06/2005 Vienna Work Session on Water Statistics
Some compatibility problems UNSD – OECD/Eurostat Categories of WWTP: mechanical/biological/advanced against primary/secondary/tertiary Waste water treatment by volume or BOD Discharges in water 20/06/2005 Vienna Work Session on Water Statistics
Some compatibility problems UNSD - FAO Exploitable vs. renewable water resources Calculation of renewable water resources Separation of surface/ground water produced Use of ISIC for abstraction / withdrawal 20/06/2005 Vienna Work Session on Water Statistics
Some compatibility problems UNSD – GEMS-Water Individual measurements vs. annual aggregates GEMS-Water is much more detailed on water quality 20/06/2005 Vienna Work Session on Water Statistics
Thank you for your attention 20/06/2005 Vienna Work Session on Water Statistics