Revitalization of an artificially recharged groundwater source: Mediana in the city of Niš, Serbia

2007 ◽  
Vol 7 (3) ◽  
pp. 51-58
Author(s):  
M. Dimkić ◽  
D. Pavlović ◽  
A. Soro ◽  
D. Dimkić ◽  
Z. Radenković
Keyword(s):  
Water Quality ◽  
Water Supply ◽  
Organic Pollutants ◽  
Electronics Industry ◽  
Protection System ◽  
Alluvial Valley ◽  
Heavy Pollution ◽  
Groundwater Source ◽  
The City

The artificially recharged groundwater source Mediana provides water supply to the City of Niš. It is situated on some 250 ha of land in an alluvial valley. In the early 1990s, the source sustained heavy pollution by organic pollutants from nearby electronics industry, and somewhat less extensive pollution by nitrites from a neighbouring settlement. The capacity of the source decreased from 270 l/s to 150 l/s. The pollutants were flushed and a permanent protection system was put in place. Following revitalization, this groundwater source was upgraded to the current capacity of 500–600 l/s. Monitoring of the groundwater source during the period from 1996 to 2006 revealed no functional interferences, confirmed that the source delivers the required water quality, and indicated that significant self-purification processes are taking place in the aquifer.

Leading the City of Baltimore into the 21st Century: Flexible Treatment Solutions and Integrated Raw Water Management

2010 ◽  
Vol 5 (4) ◽  
Author(s):  
J. L. Manuszak ◽  
M. MacPhee ◽  
S. Liskovich ◽  
L. Feldsher
Keyword(s):  
Water Management ◽  
Water Quality ◽  
Water Supply ◽  
Conceptual Design ◽  
Membrane Filtration ◽  
Treatment Plant ◽  
Low Pressure ◽  
Management Tool ◽  
Raw Water ◽  
The City

The City of Baltimore, Maryland is one of many US cities faced with challenges related to increasing potable water demands, diminishing fresh water supplies, and aging infrastructure. To address these challenges, the City recently undertook a $7M study to evaluate water supply and treatment alternatives and develop the conceptual design for a new 120 million gallon per day (MGD) water treatment plant. As part of this study, an innovative raw water management tool was constructed to help model source water availability and predicted water quality based on integration of a new and more challenging surface water supply. A rigorous decision-making approach was then used to screen and select appropriate treatment processes. Short-listed treatment strategies were demonstrated through a year-long pilot study, and process design criteria were collected in order to assess capital and operational costs for the full-scale plant. Ultimately the City chose a treatment scheme that includes low-pressure membrane filtration and post-filter GAC adsorption, allowing for consistent finished water quality irrespective of which raw water supply is being used. The conceptual design includes several progressive concepts, which will: 1) alleviate treatment limitations at the City's existing plants by providing additional pre-clarification facilities at the new plant; and 2) take advantage of site conditions to design and operate the submerged membrane system by gravity-induced siphon, saving the City significant capital and operations and maintenance (O&M) costs. Once completed, the new Fullerton Water Filtration Plant (WFP) will be the largest low-pressure membrane plant in North America, and the largest gravity-siphon design in the world.

scholarly journals Impact of Changes in Land Use and Land Cover in the Contribution Basin of Doutor João Penido Water Supply Reservoir of Juiz de Fora, MG, Brazil

2021 ◽  
Vol 11 (1) ◽  
pp. 108
Author(s):  
Juliana Nazareth de Lana ◽  
Márcio de Oliveira ◽  
Vanessa Romario de Paula ◽  
Cézar Henrique Barra Rocha
Keyword(s):  
Water Quality ◽  
Land Use ◽  
Land Cover ◽  
Water Supply ◽  
Quality Parameters ◽  
E Coli ◽  
The City ◽  
Water Supply Reservoirs ◽  
Limnological Parameters

Changes in the land use and land cover in areas adjacent to water reservoirs directly affect the quality of this water. This research presents a study on the water quality in the basin of one of the most important public water supply reservoirs in the city of Juiz de Fora, Minas Gerais. The main objective of this study was to analyze the behavior of limnological parameters and the correlation with land use and land cover in the contribution basin of the Doutor João Penido reservoir (CBJPR). The methodology was based on the analysis of water quality parameters, related to water samples collected from 2012 to 2015. Six sampling points were chosen from different locations: spring, medium course, main tributaries of the reservoir and the reservoir catchment. The parameters analyzed were turbidity, total solids (TS), oxygen consumed (OC), dissolved oxygen (DO), electrical conductivity, total nitrogen (TN), total phosphorus (TP), E. Coli, temperature, pH and total dissolved solids (TDS). The Kendall’s tau test was used to analyze the correlations between the parameters of water quality, land use and land cover in the CBJPR. In general, measured parameters showed better results in spring and in reservoir catchment, showing a worse quality of the water along the tributaries and the dilution power of the reservoir. The correlations pointed to the need for protection and preservation of forests in strategic locations to ensure good water quality.

PROBLEMS OF WATER SUPPLY IN THE TERRITORY OF THE OREL REGION AND WAYS TO SOLVE IT

2021 ◽  
Author(s):  
Павел Алексеевич Лапин ◽  
Сергей Александрович Копылов ◽  
Дмитрий Васильевич Елисеев
Keyword(s):  
Water Quality ◽  
Water Supply ◽  
The State ◽  
Quality Of Water ◽  
The City

В статье анализируется состояние водного фонда в области и обеспеченность жителей региона водой. Рассматриваются основные проблемы неудовлетворительного качества воды в районах области и в г. Орле. Предлагается комплекс мероприятий с целью повышение качества водоснабжения на территории Орловской области путём строительства пяти объектов водоснабжения. The article analyzes the state of the water fund in the region and the provision of water to the residents of the region. The main problems of unsatisfactory water quality in the districts of the region and in the city of Orel are considered. A set of measures is proposed to improve the quality of water supply in the territory of the Orel region through the construction of five water supply facilities.

scholarly journals Historical Water Supply System of the City of Brno—Social-Environmental Consequences

Water ◽  
2021 ◽  
Vol 13 (24) ◽  
pp. 3550
Author(s):  
David Honek ◽  
Milena Forejtníková ◽  
Miloš Rozkošný ◽  
Aleš Vyskočil
Keyword(s):  
Water Quality ◽  
Wastewater Treatment ◽  
Water Supply ◽  
Industrial Development ◽  
River Flow ◽  
Water Quality Monitoring ◽  
Supply System ◽  
Water Supply System ◽  
River Catchment ◽  
The City

This paper provides a detailed look into the historical development of the water supply system of a big industrial city and its impact on the river environment and needs of the wastewater treatment system. The city of Brno, Czech Republic, was chosen for this study because it has a long history in the field of water supply, and the city has changed rapidly over the last 200 years. The city’s development necessitated an adaptation of drinking water sources, most significantly the use of the Březová nad Svitavou facility, which resulted in a change of condition of the Svitava River. The notable decrease in river flow, aided by industrial development of settlements within the Svitava River catchment between 1850 and 1950, strongly contributed to the spread of river pollution. However, the construction of wastewater treatment plants during recent decades led to a restoration of river quality and, consequently, of the entire environment of the Svitava River catchment. This paper also presents a view on activities connected with the long term surface water quality monitoring and improvement with regard to water quality conditions in spring areas and the river network influenced by the water supply system.

scholarly journals About the question of the assessment of the drinking water quality in centralized water systems in the current conditions

2020 ◽  
Vol 99 (6) ◽  
pp. 563-568
Author(s):  
Yuliya A. Novikova ◽  
K. B. Friedman ◽  
V. N. Fedorov ◽  
A. A. Kovshov ◽  
N. A. Tikhonova ◽  
...  
Keyword(s):  
Water Quality ◽  
Drinking Water ◽  
Water Supply ◽  
Supply System ◽  
Drinking Water Quality ◽  
Water Supply Systems ◽  
High Quality ◽  
Supply Systems ◽  
The City

Introduction. Regulation of drinking water quality is a very important area of health care and improving the quality of life of the population of the Russian Federation.The aim of this work is the development a model for the assessment of the drinking water quality and calculating the share of the population, including urban, provided with high-quality drinking water from centralized water supply systems, taking into account new methodological approaches to the evaluation of the quality of drinking water using the example of water supply to settlements in the Leningrad Region. Material and methods. The data on the organization of centralized cold water supply systems and monitoring systems for drinking water quality and the results of laboratory studies of drinking water quality in the cities of Volkhov, Svetogorsk, Slantsy, Tosno were studied. Statistical processing of the results was performed, the categories of quality of drinking water supplied to the population were determined, the number of the population provided with high-quality drinking water from the water supply system was calculated in accordance with Guidelines 2.1.4.0143-19.Results. In 2018, 100% of the population was provided with quality drinking water only in the city of Slantsy. In the city of Tosno, this index reached of 83.5%. In the cities of Volkhov and Svetogorsk, drinking water was rated as low-quality. But it is worth noting that in the cities of Volkhov and Slantsy laboratory tests were carried out at 2 points, in the city of Svetogorsk - only at the 1 point, which, given the number of residents, is not enough. For an objective assessment of the state of drinking water and the development of measures aimed at improving its quality, it is necessary to increase the number of monitoring points, as well as to include the results of control and supervision measures and production laboratory control conducted by water supply organizations in the volume of laboratory information.Conclusion. The proposed model allows us to assess the drinking water quality in centralized water supply systems and the proportion of the population, including urban, provided with quality drinking water at the level of the water supply system, settlement, municipal district (urban district), subject of the Russian Federation

scholarly journals A study of drinking water quality before and after its purification in Saint-Petersburg

2019 ◽  
pp. 13-15
Author(s):  
Tatiana Ivanovna Zhilochkina ◽  
Andrei Igorevich Seliverstov
Keyword(s):  
Water Quality ◽  
Drinking Water ◽  
Water Supply ◽  
Water Samples ◽  
Water Distribution ◽  
Saint Petersburg ◽  
Before And After ◽  
The City ◽  
Comprehensive Study

This article is devoted to a comprehensive study of drinking water before and after its purification. Water samples taken at 5 water supply and 5 water distribution stations of the city were used in the study. The author comes to the conclusion that the use of the monitoring system allows you to respond quickly to any changes in the quality of the drinking water, and quickly make decisions that affect its purification.

Management of groundwater sustainability and contamination - a Mozambique case study

2021 ◽  
Author(s):  
Isabel Margarida Horta Antunes ◽  
Ameno Bande
Keyword(s):  
Water Quality ◽  
Water Supply ◽  
Anthropogenic Activities ◽  
Supply System ◽  
Water Supply System ◽  
Human Consumption ◽  
Public Water Supply ◽  
Aquifer Systems ◽  
The City ◽  
Zambezi River

<p>Groundwater is vulnerable to contamination from natural and anthropogenic activities. The agricultural and human activities associated with hydrological characteristics influence the quality of groundwater. The City of Tete is in the Nharthanda Valley (Zambezi River, Central Mozambique). The city faces a set of serious structural issues of access to water such as a precarious public water supply system, including a lack of network management, water rationing, and a poor sewerage system. Groundwater is collected from the aquifer for the public water supply system of the old city of Tete and a for a traditional agro-livestock farm, which is irrigated by artesian wells. Groundwater abstraction has increased in the last few decades, and it was identified as a risk for groundwater quality and quantity. Groundwater physic-chemical and microbiological parameters obtained from fifteen boreholes and eleven wells have been determined to assess water quality. The presence of potential contaminant activities throughout the Nhartanda Valley and adjacent areas associated with contamination of the Zambezi River contribute to the degradation of water quality. The high vulnerability index for most chemical and microbiological elements indicates that groundwater is easily reached by bacteria and viruses and other potentially toxic substances. Most of the water parameters, from wells and boreholes, exceed the water referenced values allowed for human consumption and agricultural use. The protection of the Nhartanda Valley aquifer system is necessary and urgent. The identification of the most vulnerable areas provides important information for groundwater management, such as the indication of protection measures in aquifer systems.</p>

Water for the City

Global Cities ◽  
2017 ◽  
Author(s):  
Robert Gottlieb ◽  
Simon Ng
Keyword(s):  
Water Quality ◽  
Los Angeles ◽  
Water Supply ◽  
Long Distance ◽  
The North ◽  
State Of Water ◽  
Supply Relationship ◽  
Quality Water ◽  
Non Local ◽  
The City

This chapter describes the history and current state of water supply development and the water quality issues that Los Angeles, Hong Kong, and China have needed to address. It identifies the efforts to undertake long distance imported water transfers and their environmental impacts; water quality problems from surface and groundwater sources, and water management issues, including a discussion of water privatization efforts and increased bottled water sales. It analyzes different river systems and watershed basins and various dependencies on non-local sources, such as Hong Kong’s dependence on water from Guangdong waters, Los Angeles on water from Northern California and the Colorado River, and China’s coastal regions and regions in the north on various transfers from where water is more plentiful to where it is scarce. It also looks at the water quality-water supply relationship and how polluted sources have led to a loss of supply.

scholarly journals Spatiotemporal Water Quality Variations in Smaller Water Supply Systems: Using Modified CCME WQI from Groundwater Source to Distribution Networks

Water ◽  
2019 ◽  
Vol 11 (9) ◽  
pp. 1884 ◽  
Author(s):  
Haider ◽  
Alkhowaiter ◽  
Shafiquzzaman ◽  
AlSaleem ◽  
Almoshaogeh ◽  
...  
Keyword(s):  
Water Quality ◽  
Water Supply ◽  
Distribution Network ◽  
Distribution Networks ◽  
Management Tool ◽  
Water Supply Systems ◽  
Canadian Council ◽  
Groundwater Source ◽  
Ccme Wqi ◽  
Supply Systems

Original Canadian Council of Minster of the Environment Water Quality Index (CCME WQI) is being used for assessing the water quality of surface water sources and distribution systems on a case by case basis. Its full potential as a management tool for complete water supply systems (WSSs) has yet to be recognized at the global level. A framework is developed using the modified CCME WQI to assess spatiotemporal water quality from groundwater source to treatment and distribution networks in smaller systems. The modified index resolves a limitation of the original index by also evaluating the microbiological water quality parameters which have to be completely absent for meeting desired drinking water quality standards. The framework divides the distribution network in different zones, which are further segregated into districts, to improve the decision-making process. Temporal assessment identifies the seasons with higher probabilities of failures, while the spatial assessment provides an insight on the performance (i.e., Excellent to Poor) of each district in a distribution network. In addition to failure probability, risk mapping gives appropriate attention to the number of consumers in different districts. Application of the framework on two smaller WSSs (population less than 50,000) in Qassim region revealed that the remotely located districts from the treatment facility underperform in comparison to the closely situated districts. Managers can effectively apply the proposed framework to identify the locations and periods of water quality failures in each component (i.e., source, treatment, and distribution) of a smaller WSS for effective utilization of their resources in Saudi Arabia and elsewhere with similar conditions.

Sign in / Sign up

Export Citation Format

Share Document