surface water quality Articles
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Evolution of a new surface water quality index for Karoon catchment in Iran
Water quality standards are developed worldwide by national and international agencies for pollution control decision-making. Use-based water quality classification criteria and Water Quality Indices (WQIs) also play an important role in the assessment of the suitability of water resources for various applications. The present study proposes a better overall index for water quality in Iran and ...
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Influence of Copper Mine on Surface Water Quality
Aras water basin is located in northwest of Iran. Sungun mine which is the largest open-cast copper mine of Iran is located in this region and is in the primary stages of extraction. The influence of mining activity on the quality of regional surface water has been taken in to consideration in this study. Accordingly, sampling was done from 5 local streams in the study area. In order to consider ...
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A comparative study of single factor and multivariate statistical methods for surface water quality assessment
Water quality assessment is an essential part of water resources management. Different methods, including the single factor (SF) method and multivariate analysis, employed in assessing water quality can give different results. In this study, SF methods and multivariate analysis – including discriminant analysis (DA) and the distance function model (DFM) – were used to assess the ...
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Assessment of the water quality of the Seybouse River (north-east Algeria) using the CCME WQI model
This paper aims to assess the surface water quality of the Seybouse River using a model of the Canadian Council of Ministers of the Environment Water Quality Index (CCME WQI). The study area is located in the basin of the lower Seybouse River, north-east Algeria. The method involved the calculation of the WQI, based on the measurement of bacteriological and physico-chemical parameters. Water ...
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Assessment of urbanization/impervious effects on water quality in the urban river Annaba (Eastern Algeria) using physicochemical parameters
Surface water quality is deteriorating due to the increase of urbanization which increases the load of stormwater and wastewater discharged into rivers. To evaluate the quality of an urban river (Annaba, northeastern Algeria), multivariate statistical analyses were applied to the physicochemical measures of 38 parameters. The application of principal component analysis and factor analysis ...
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Principal component analysis of surface water quality data of the River Drava in eastern Croatia (24 year survey)
The River Drava is one of the major, inexhaustible water sources not only for Croatia, but also for the other European countries it flows through. This study is based on the observations of 15 water variables at three sampling stations in the lower River Drava over a 24 year period. Although the obtained results revealed an improvement of most of the parameters, the values of some of them (i.e. ...
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Surface water quality management using an integrated discharge permit and the reclaimed water market
Water quality trading is a sustainable framework for surface water quality management. It uses discharge permits to reduce the total treatment costs. For example, the case of Gharesoo River in Iran shows that the nitrogen permit market between point and non-point sources is 37% more economical than the command and control framework. Nevertheless, the cost saving may be reduced to ...
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A review on interaction of groundwater and surface water
Interactions between groundwater and surface water play a fundamental role in water resources management. The movement of water between groundwater and surface water should be investigated in view of both quantity and quality aspects of water resources. In this paper, an attempt is made to define the primary concepts of this interaction and to illustrate a case study undertaken in ...
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Application of water quality indices to define surface water quality in Tehran
Tehran is one of the capitals of the world that is not situated around a river, therefore surface water discharges into a network of natural streams and even some artificial canals. Owing to the lack of sewerage system, part of the sewage runs to the network of streams without any control. The aim of this work is to identify a baseline for the water quality, which will then help policy-makers and ...
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Integrating quality and cost of surface raw water: Upper and Middle Vaal Water Management Areas South Africa
The user-pays principle encourages use of a water tariff structure that incorporates pollution and/or depletion of a water resource because that water represents a capital resource base. Development of a tool that models variability of surface raw water quality in order to predict cost of treatment thus makes economic sense. This paper forms the backbone for an on-going doctoral study in South ...
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Project - Lake Association Monitoring
Our ColiPlate water testing system has been a popular choice amongst Lake and Cottage Associations who run volunteer water monitoring programs. Coliplate test kits are ideal for these community-based monitoring programs as these kits are user-friendly, may be used by inexperienced/non-technical individuals and can be employed in remote areas as they do not require laboratory facilities, enabling ...
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Discriminant analysis application in spatiotemporal evaluation of water quality in South Florida
The discriminant analysis (DA) method was used to differentiate and classify the water quality of three major rivers in South Florida. In this study, DA was used to assess the water quality and evaluate the spatial and temporal variations in surface water quality in South Florida. DA, as an important data reduction method, was used to assess the water pollution status and analysis of its ...
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Comparison of the ability of two grasses viz., Phragmites karka (Retz.) Trin. ex. Steud and Vetiveria zizanioides (L.) Nash to improve surface water quality in a constructed wetland
The aim of the study was to investigate the ability of two grasses viz., Phragmites karka (Retz.) Trin. ex. Steud (Common reed) and Vetiveria zizanioides (L.) Nash (vetiver), to improve the quality of turbid pond water with a high content of Soluble Reactive Phosphates (SRP) in a constructed wetland. Pot experiments with the individual plants showed the removal of SRP from the pond water at a ...
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Estimation of surface water quality in a Yazoo River tributary using the duration curve and recurrence interval approach
Pollution of surface water with harmful chemicals and eutrophication of rivers and lakes with excess nutrients are serious environmental concerns. This study estimated surface water quality in a stream within the Yazoo River Basin (YRB), Mississippi, USA, using the duration curve and recurrence interval analysis techniques. Data from the US Geological Survey (USGS) surface water monitoring ...
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Water quality analysis of reservoirs within Western Algeria catchment areas using water quality index CCME WQI
The present paper aims at determining the status and trends in water quality at Western Algeria reservoirs. The method consists of the computation of Water Quality Index (WQI) on the basis of the physical–chemical quality parameters that were registered at the monitoring stations placed at the reservoirs. This WQI was applied to water quality data collected from 2001 to 2010. Results ...
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Improving water quality communications at beaches: input from stakeholders
Objectives: Water quality communication practices vary widely and stakeholder input has not played a role in defining acceptable levels of risk. Although the 2012 Recreational Water Quality Criteria (RWQC) emphasize the importance of promptly notifying the public about hazardous conditions, little is known about the public's understanding of notifications, or about levels of risk deemed ...
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Toxicity Screening of Surface Waters in Southern Italy with Toxkit Microbiotests
Abstract : This preliminary study reports on the toxicity of surface waters collected twice in 1997 (once in late spring and once in late autumn) at 19 sampling stations in 5 areas (Domitian, Flegrean, Regi Lagni, Vesuvian and Coast area) in the Province of Naples in Italy. The acute toxicity of the surface waters was determined with a battery composed of 4 microbiotests : the Algaltoxkit ...
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Hydrochemical evaluation of surface water quality and pollution source apportionment in the Luan River basin, China
In the context of rapid economic growth in China, hydrochemical characteristics of stream water quality are being influenced by a variety of natural and anthropogenic inputs. We determined 10 hydrochemical parameters of the surface water at 29 monitoring sites in the Luan River basin of northern China during 2007–2009. Water quality hydrochemistry was evaluated using fuzzy comprehensive analysis ...
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Nitrogen source tracking with 15N content of coastal wetland plants in hawaii
Received for publication January 7, 2009. Inter- and intra-site comparisons of the nitrogen (N) stable isotope composition of wetland plant species have been used to identify sources of N in coastal areas. In this study, we compared 15N values from different herbaceous wetland plants across 34 different coastal wetlands from the five main Hawaiian Islands and investigated relationships of 15N ...
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The effects of industrialisation on water quality and livelihoods in Lesotho
In Lesotho, some of the industrial wastewater discharges are being released untreated into the environment causing water pollution. This study investigates the extent and impacts of industrial water pollution in Lesotho and the associated effects on human livelihoods in the region. A combination of desk studies, in-field water sampling and socio-economic survey showed that industrial effluents ...
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