The sanitary sewer unit hydrograph model: A comprehensive tool for wastewater flow modeling and inflow-infiltration simulations

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dc.contributor.authorPerez, Gabrielen
dc.contributor.authorGomez-Velez, Jesus D.en
dc.contributor.authorGrant, Stanley B.en
dc.date.accessioned2024-02-26T14:51:53Zen
dc.date.available2024-02-26T14:51:53Zen
dc.date.issued2023-12-08en
dc.description.abstractSanitary sewer systems are critical urban water infrastructure that protect both human and environmental health. Their design, operation, and monitoring require novel modeling techniques that capture dominant processes while allowing for computationally efficient simulations. Open water flow in sewers and rivers are intrinsically similar processes. With this in mind, we formulated a new parsimonious model inspired by the Width Function Instantaneous Unit Hydrograph (WFIUH) approach, widely used to predict rainfall-runoff relationships in watersheds, to a sanitary sewer system consisting of nearly 10,000 sewer conduits and 120,000 residential and commercial sewage connections in Northern Virginia, U.S.A. Model predictions for the three primary components of sanitary flow, including Base Wastewater Flow (BWF), Groundwater Infiltration (GWI), and Runoff Derived Infiltration and Inflow (RDII), compare favorably with the more computationally demanding industry-standard Storm Water Management Model (SWMM). This novel application of the WFIUH modeling framework should support a number of critical water quality endpoints, including (i) sewer hydrograph separation through the quantification of BWF, GWI, and RDII outflows, (ii) evaluation of the impact of new urban developments on sewage flow dynamics, (iii) monitoring and mitigation of sanitary sewer overflows, and (iv) design and interpretation of wastewater surveillance studies.en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier120997 (Article number)en
dc.identifier.doihttps://doi.org/10.1016/j.watres.2023.120997en
dc.identifier.eissn1879-2448en
dc.identifier.issn0043-1354en
dc.identifier.orcidGrant, Stanley [0000-0001-6221-7211]en
dc.identifier.otherS0043-1354(23)01437-9 (PII)en
dc.identifier.pmid38091697en
dc.identifier.urihttps://hdl.handle.net/10919/118157en
dc.identifier.volume249en
dc.language.isoenen
dc.publisherElsevieren
dc.relation.urihttps://www.ncbi.nlm.nih.gov/pubmed/38091697en
dc.rightsCreative Commons Attribution-NonCommercial 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/en
dc.subjectBase wastewater flowen
dc.subjectGroundwater infiltrationen
dc.subjectRunoff derived infiltration and inflowen
dc.subjectSewer networken
dc.subjectUnit hydrographen
dc.subjectWeighted width functionen
dc.subject.meshHumansen
dc.subject.meshSewageen
dc.subject.meshGroundwateren
dc.subject.meshWater Qualityen
dc.subject.meshWastewater-Based Epidemiological Monitoringen
dc.subject.meshWastewateren
dc.titleThe sanitary sewer unit hydrograph model: A comprehensive tool for wastewater flow modeling and inflow-infiltration simulationsen
dc.title.serialWater Researchen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.otherJournal Articleen
dcterms.dateAccepted2023-12-07en
pubs.organisational-group/Virginia Techen
pubs.organisational-group/Virginia Tech/Engineeringen
pubs.organisational-group/Virginia Tech/Engineering/Civil & Environmental Engineeringen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Engineering/COE T&R Facultyen

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