Article 18 2.

taking additional measures to prevent and reduce pollution from urban wastewater at source, where required to safeguard the quality of the receiving water body, to complement the measures referred to in Article 14(3);

establishing collecting systems in accordance with Article 3 for agglomerations of below 1 000 p.e.;

applying secondary treatment in accordance with Article 6 to discharges of urban wastewater from agglomerations of below 1 000 p.e.;

applying tertiary treatment in accordance with Article 7 to discharges of urban wastewater from agglomerations of below 10 000 p.e.;

applying quaternary treatment in accordance with Article 8 to discharges of urban wastewater from agglomerations of below 10 000 p.e., in particular where urban wastewater is discharged into water bodies used for abstraction of water intended for human consumption, bathing water, water bodies where aquaculture activities take place, and where treated urban wastewater is reused for agricultural purposes;

establishing integrated urban wastewater management plans in accordance with Article 5 for agglomerations of below 10 000 p.e. and adoption of measures referred to in Annex V;

applying requirements for the treatment of collected urban wastewater that are more stringent than the requirements set out in Part B of Annex I.