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overview of emissions to water existing data collections

A comprehensive look into existing data collections of emissions to water, including sources, parameters, and impact assessment. The text accentuates the need for more reliable data to facilitate source apportionment between different sectors.

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overview of emissions to water existing data collections

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  1. overview of emissions to waterexisting data collections Intersecretariat Working Group on Environment Statistics Work Session on Water Statistics June 2005 Dominique PREUX Benoît FRIBOURG-BLANC

  2. 5 R Response 4 2 I P Pressure Emissions Impact 3 S State Emissions and the DPSIR framework 1 D Driving force (adapted from Latvian Environment Agency 2002)

  3. Emissions Inventory :… …the main requirements • The source: a need for completeness • The load (quantity and variations) • The parameters • The receiving environment: media and type A comprehensive inventory

  4. The proposed system • Complete coverage for sources • Temporal aggregation : the year • Geographical aggregation : the River basin • The parameters : list from the existing Reporting Obligations

  5. Use of emissions data Example of source apportionment Source apportionment of Nitrogen emissions to water by main basins in France Source: IFEN, State of the Environment report 2002.

  6. Emissions to water :… …a complex situation (1/2)

  7. Emissions to water :… …a complex problem (2/2) • Multiple pathways • Diffuse sources, scattered and associated definition • Parameters

  8. Existing data collectionsaddressing a selection of sectors • EPER • 56 industrial sectors • Direct/indirect to water, • Yearly, 3 years • EU25 • 26 substances • UWWTD • Urban and food industry • Load and percentage reduction, • yearly, 2 years • EU25 • 5 parameters

  9. Existing data collectionsaddressing in principle all sources • OSPAR / HELCOM • All human activities, All pathways (net emission), • Yearly, 1989 and 1995 / every 5 year • 15 countries / 9 countries • 66 substances / 48 substances • Reduction targets • Eurostat/OECD • All human activities, main pathways, yearly • 28 European countries, + other OECD • 15 parameters

  10. In summary • A Patchy situation… A need for more and reliable data… (to allow source apportionment between Agriculture, Urban and industry sources)

  11. New and emerging data collections • WFD • All significant sources (point and diffuse) • All significant pathways, • Yearly, every 6 years • EU25 • 33 priority substances + other EU legislative instruments • Extended with Water Information System for Europe (WISE) • For all EU-level users

  12. New and emerging data collections • PRTR • UWWTP, IWWTP, Aquaculture, diffuse and dispersed • Emission and transfer • yearly • 36 countries • 70 substances

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