Las aguas residuales regeneradas como recurso para los regadíos de la demarcación hidrográfica del Segura (España)

Morales, Antonio J.; Meseguer, Encarnación Gil; Espín, José María Gómez

doi:10.21138/bage.1691

Cited by 6 publications

(6 citation statements)

References 3 publications

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“…The main aim of this work is to shed light on the concept of the wastewater use basin, its applicability, and its ability to obtain additional water resources of pluvial origin. In accordance, Olcina et al [29] show that, in the case of the Alicante environmental tank (named José Manuel Obrero) built in 2011, it captured from 2013 to 2018 more than 2,000,000 m 3 and, in a later work, Hernández, Saurí and Morote [38] point out that between 2011 and 2019 that figure rose to 3,300,000 m 3 , which has been reused for agricultural irrigation or urban green areas after treatment in a STP. These data are significant since they reinforce the idea of the use of wastewater use basins proposed in this research.…”

Section: Discussionsupporting

confidence: 78%

“…Sewage management involves managing the territory from an integrated point of view. Its interest lies not only in the purification of pathogenic agents and pollutants for the environment, which represents its environmental value, but also constitutes a water resource for the water mix: currently, the uses of this recycled or regenerated water can be agriculture [29], leisure sports, other urban uses or to serve as environmental flows. However, potable reuse is a fact in many areas of the world, such as Singapore, California, Namibia and Australia [30,31].…”

Section: Introductionmentioning

confidence: 99%

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Proposal of the “Wastewater Use Basin” Concept as an Integrated Sewage and Rainwater Management Unit in Semiarid Regions—A Case Study in the Southeast of the Iberian Peninsula

Bernabé-Crespo

Cantos

Cañizares

2023

Water

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Semi-arid and arid regions are characterized by their water scarcity, which leads territories to seek ways of increasing the water resources available to meet their demands (urban, agricultural, industrial, leisure and tourism, etc.). For this reason, this article proposes the term “wastewater use basin”; the concept of the “wastewater use basin” is presented as a working unit of a smaller scale than traditional river basins, which allows for a better management of the water collected in the sewerage network and rainwater of urban agglomerations. It is a geographically-focused proposal for the integrated management of wastewater and stormwater that ends up in a wastewater treatment plant for treatment and reuse. The study area is located in the southeast of the Iberian Peninsula, Spain; specifically, the Campo of Cartagena-Mar Menor district (Murcia) and Vega Baja district (Alicante). The results show the trend behaviour of rainfall in the Segura river basin in recent episodes of torrential rainfall. There is a clear tendency for these episodes to occur in the coastal and pre-coastal areas, so that the water does not reach the headwaters where the reservoirs are located. For this reason, the proposed concept includes the area of the basin that would be formed by the wastewater and rainwater collectors which, in short, are intended to be treated in a treatment plant for subsequent reuse. The calculations made on the basis of the capacity of the environmental tanks executed and projected amount to four cubic hectometers which could be added to the hydrological planning of the Segura basin. In conclusion, the collection of rainwater allows the incorporation of an additional volume of water that complements and increases the resources offered by the treatment plants in the hydrological planning. It also serves as a measure of adaptation to climatic extremes (droughts and floods) and to the effects of climate change, supporting a circular management of the use of resources.

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Section: Discussionsupporting

confidence: 78%

Section: Introductionmentioning

confidence: 99%

Proposal of the “Wastewater Use Basin” Concept as an Integrated Sewage and Rainwater Management Unit in Semiarid Regions—A Case Study in the Southeast of the Iberian Peninsula

Bernabé-Crespo

Cantos

Cañizares

2023

Water

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“…Avanzar en la regeneración de residuales y aumentar las concesiones de ellas a los regadíos. Se debe extender la regeneración de aguas residuales a todas las EDAR y agilizar las concesiones a particulares para aprovechar el recurso e impedir que este se desperdicie (Pérez et al, 2014). En la Región de Murcia, en 2016 el 91,7 % era reutilizado (Gil-Meseguer et al, 2019), existiendo algunos volúmenes que son arrojados a dominio público a espera de la concesión.…”

Section: Las Amenazas Externas Sonunclassified

Gestión del abastecimiento de agua en una región semiárida: análisis del consumo de agua potable en el Campo de Cartagena – Mar Menor, sureste de España (2010–2019)

Bernabé-Crespo

Serrano

Gómez-Espín

2021

BAGE

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La comarca del Campo de Cartagena – Mar Menor es un área de características semiáridas con sequía estructural y donde la carestía de agua ha sido constante en la historia, suplida mediante trasvases de agua y recursos no convencionales. El estudio realiza un análisis del consumo de agua potable, diferenciando entre consumo en alta y consumo en baja, para conocer el rendimiento de la red, y se formulan unas estrategias y líneas de actuación prioritarias para mejorar la seguridad hídrica de la comarca. Se han tomado datos de la Mancomunidad de Canales del Taibilla, de las empresas municipales de abastecimiento y de los Ayuntamientos de la comarca. Los resultados muestran la evolución de las fuentes de abastecimiento, y se extrae, entre otros, que los rendimientos han mejorado y que es clave la adaptación frente al cambio climático, diversificar la oferta de recursos e implementar nuevas tecnologías, así como mejorar las redes de distribución y avanzar en la concienciación social para conformar un territorio resiliente. Este trabajo sirve como modelo para caracterizar y mejorar la situación del abastecimiento de agua en otros medios semiáridos de similar problemática.

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“…These climatic variations can favor a worsening of the drought episodes and force an unsustainable pressure on the water resources (Pascual et al [2]; Valdes-Abellan et al [3]). In this framework, non-conventional resources are important to optimize an integrated management and guarantee the continuity of the socio-economic development model of deficit regions (Olcina & Mantero [4]; Morales et al [5]). In Spain, the articulation of WR in water management began its expansion in 2004, with the repeal of the Ebro transfer project contemplated in the National Hydrological Plan of 2001.…”

Section: Introductionmentioning

confidence: 99%

Factors of uncertainty in the integrated management of water resources: The case of water reuse

Aznar-Crespo¹,

Aledo²,

Melgarejo³

2019

Int. J. SDP

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The non-conventional water resources (water reuse (WR) and desalination) are a strategic option to compensate the structural water deficit of the southeast of Spain. In addition to increasing water availability and reducing the pressure on conventional resources, these resources show strategic functions at environmental, social and economic level. However, WR does not experience sufficient acceptance by some water users. Uncertainties regarding the quality of reclaimed water, food safety, price or regulations are factors of rejection or ambiguity. The results of a survey carried out on 114 users belonging to irrigation communities of several river basins in Spain are presented. In general, results show a moderate level of implementation of WR. However, the growth potential of WR is significantly high. This depends on water quality and price, which are the two most important valuation factors of WR. Regulations, food safety or water quality for crops generate uncertainty and concern among the irrigation communities. The effects on the environment or the control of availability are aspects positively valued. Conventional resources (transfers and groundwater) are better valued than non-conventional ones (WR and desalination). This constitutes a factor of vulnerability to consolidate the transformation of the Spanish hydrological model. The information presented can be useful to guide the design of future hydrological policies and reduce the socio-institutional vulnerability related to the integrated management of water resources.

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Las aguas residuales regeneradas como recurso para los regadíos de la demarcación hidrográfica del Segura (España)

Abstract: Texto resumen.

Cited by 6 publications

References 3 publications

Proposal of the “Wastewater Use Basin” Concept as an Integrated Sewage and Rainwater Management Unit in Semiarid Regions—A Case Study in the Southeast of the Iberian Peninsula

Proposal of the “Wastewater Use Basin” Concept as an Integrated Sewage and Rainwater Management Unit in Semiarid Regions—A Case Study in the Southeast of the Iberian Peninsula

Gestión del abastecimiento de agua en una región semiárida: análisis del consumo de agua potable en el Campo de Cartagena – Mar Menor, sureste de España (2010–2019)

Factors of uncertainty in the integrated management of water resources: The case of water reuse

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