1303170Edited by LiamM.110012747layer_information_pageund1449064507163697731600163697731657<p>Waste water treatment is designed to process waste water whilst protecting the environment and maintaining public health. Outfalls to the marine environment fall into three categories:</p> <ol> <li>outfalls from waste water treatment (WWT) plants which process waste water from the mains sewerage system&nbsp; (this layer);</li> <li>industrial sites which take waste from manufacturing plants (see separate layer -&nbsp;Industrial (SPRI) marine discharges); and</li> <li>some private domestic sources (not on NMPi).</li> </ol> <p>These categories of outfall also discharge to the riverine freshwater environment which eventually reach the sea.</p> full_html<p>Waste water treatment is designed to process waste water whilst protecting the environment and maintaining public health. Outfalls to the marine environment fall into three categories:</p> <ol> <li>outfalls from waste water treatment (WWT) plants which process waste water from the mains sewerage system  (this layer);</li> <li>industrial sites which take waste from manufacturing plants (see separate layer - Industrial (SPRI) marine discharges); and</li> <li>some private domestic sources (not on NMPi).</li> </ol> <p>These categories of outfall also discharge to the riverine freshwater environment which eventually reach the sea.</p> 53968155waste_water_treatment_plants_and_industrial_marine_discharges.pngpublic://waste_water_treatment_plants_and_industrial_marine_discharges.pngimage/png3972011520067515imageWaste water treatment plants and industrial marine discharges © SEPAWaste water treatment plants and industrial marine discharges © SEPAWaste water treatment plants and industrial marine discharges © SEPAWaste water treatment plants and industrial marine discharges © SEPAWaste water treatment plants and industrial marine discharges © SEPA281214281214838<p>All sewerage systems that also collect rainwater (combined sewers) need overflow outlets (combined sewer overflows) that deal with the extra water collected during some rainstorms. Without these safety valves there would be a flooding risk at both the sewerage works and in other properties. Sewage in these overflow discharges is diluted with significant amounts of rainwater.</p> full_html<p>All sewerage systems that also collect rainwater (combined sewers) need overflow outlets (combined sewer overflows) that deal with the extra water collected during some rainstorms. Without these safety valves there would be a flooding risk at both the sewerage works and in other properties. Sewage in these overflow discharges is diluted with significant amounts of rainwater.</p> 2176713246947sioc:Itemfoaf:Documentdc:datedc:createdxsd:dateTimedate_iso8601dc:modifiedxsd:dateTimedate_iso8601content:encodedsioc:has_creatorrelfoaf:namesioc:num_repliesxsd:integersioc:last_activity_datexsd:dateTimedate_iso8601https://marine.gov.scot/?q=information/location-and-type-waste-water-treatment-plants012553913031712747draftpublished57163697731611163697731612553913031712747draftpublished57163697731611163697731612553913031712747draftpublished571636977316111636977316