Urban Waste Water Treatment Agglomeration Boundaries

This is a polygon dataset of the waste water treatment plants catchment areas in agglomerations (towns/cities) with a population equivalent of over 500. This dataset also represents Certificates of Authorisation (COAs) with a population equivalent of less than 500. Urban waste-water is the liquid wastes deriving from domestic, commercial and industrial activities of an urban settlement. (Source RRDA).