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An assessment of influent and effluent data from 24 wastewater treatment plants (WWTPs) in the state of Georgia with design capacities of 37,850 m3/d (10-mgd) or greater was undertaken. Twelve months of operating data from the 2003 calendar year were evaluated. The objectives of the study were to determine the effect of rainfall intensity on the volumetric flow rate to each WWTP and to determine the relationship between flow rate and the influent five-day, biochemical oxygen demand (BOD5) and total suspended solids (TSS) concentrations. The relationships between rainfall intensity and influent BOD concentration, rainfall intensity and influent TSS concentration, influent BOD loading and effluent BOD concentration, and influent TSS loading and effluent TSS concentration were also evaluated. Moderate to strong correlations were observed between rainfall intensity and volumetric flow rate, volumetric flow rate and influent BOD and TSS concentrations, average monthly rainfall intensity and influent BOD and TSS concentrations, and between influent BOD and TSS loadings and effluent BOD and TSS concentrations. Weak correlations were observed for some of the relationships when applied to the complete data set however, stronger correlations were achieved by performing statistical analyses of variance and pooling subsets of the data. Peaking factors for flows and loadings were similar to those reported in the literature.

Titel:	The impact of rainfall on flows and loadings at Georgia's wastewater treatment plants
Autor/in / Beteiligte Person:	MINES, Richard O ; LACKEY, Laura W ; BEHREND, Glen H
Link:	Volltext (PDF) View record from PASCAL Archive
Zeitschrift:	Water, air and soil pollution, Jg. 179 (2007), Heft 1-4, S. 135-157
Veröffentlichung:	Dordrecht: Springer, 2007
Medientyp:	academicJournal
Umfang:	print, 1/2 p
ISSN:	0049-6979 (print)
Schlagwort:	Amérique du Nord North America America del norte Amérique America Etats Unis United States Estados Unidos Géorgie Georgia Agronomy, agriculture, phytopathology Agronomie, agriculture, phytopathologie Ecology Ecologie Environment Environnement Geology Géologie Pollution Sciences exactes et technologie Exact sciences and technology Sciences appliquees Applied sciences Batiment. Travaux publics Buildings. Public works Assainissement. Construction des égouts Sewerage. Sewer construction Traitement et pollution des eaux Water treatment and pollution Eaux usées Wastewaters Eaux usées de toute autre origine Other wastewaters Assainissement Sewerage Saneamiento DBO Biological oxygen demand Débit Flow rate Gasto Eau pluie Rain water Agua llovediza Particule en suspension Suspended particle Partícula en suspensión Précipitation atmosphérique Atmospheric precipitation Precipitación atmosférica Qualité eau Water quality Calidad agua Station épuration Sewage treatment plant Estación depuradora Surverse orage Storm water Agua lluvia Taux précipitation Rainfall rate Indice pluviosidad ANOVA BOD TSS correlation coefficient influent loadings peaking factors rainfall intensity wastewater treatment Subject Geographic: Amérique du Nord North America America del norte Amérique America Etats Unis United States Estados Unidos Géorgie Georgia
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: Department of Biomedical and Environmental Engineering, Mercer University, 1400 Coleman Avenue, Macon, GA 31207, United States ; Georgia Environmental Protection Division, 4220 International Parkway, Suite 101, Atlanta, GA 30354, United States Rights: Copyright 2007 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Building. Public works. Transport. Civil engineering ; Pollution

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The impact of rainfall on flows and loadings at Georgia's wastewater treatment plants