Urban Waste Water Treatment Directive

Policy Document

Council Directive 91/271/EEC of 21 May 1991 concerning urban waste-water treatment The Urban Waste Water Treatment Directive (UWWTD) aims to protect the environment from the adverse effects of urban wastewater discharges.

The link address is: http://http://eur-lex.europa.eu/smartapi/cgi/sga_doc?smartapi%21celexplus%21prod%21DocNumber&lg=en&type_doc=Directive&an_doc=91&nu_doc=271

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Emission intensity of the domestic sector in Europe This indicator is used to illustrate the emission intensity of the domestic sector (household plus services), expressed as the amount of discharged pollutant from wastewater treatment/or discharged without treatment per inhabitant per year. Furthermore, the indicator shows a decoupling of the emission of nutrients (nitrogen and phosphorus) and population growth across Europe. The values of change (increase/or decrease) in discharged load between 1990 and 2009 (expressed in percentages, where values in 1990 = 100%) are plotted against the values of change in population growth. Absolute decoupling occurs when the environmentally relevant variable is stable or decreasing while the driving force is growing. Relative decoupling occurs when the growth rate of the emission is positive, but less than the population growth rate.

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For references, please go to https://www.eea.europa.eu/policy-documents/urban-waste-water-treatment-directive or scan the QR code.

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