EU sewers still not up to standard.
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D002947:Cities; D005060:Europe; D005160:Facility Design and Construction; D019983:Guideline Adherence; D006801:Humans; D007221:Industry; D012722:Sewage; D014865:Waste Disposal, Fluid / Q000592:standards*; D014876:Water Pollution / Q000517:prevention & control
D012722:Sewage