groundwater use Articles
-
IPEX Piping Systems - Sugar Land, TX Case Study
Founded as a sugar plantation in the mid 1800s, Sugar Land is one of the most affluent and fastest-growing cities in Texas, having grown more than 158% in population over the last decade. With such development, it’s no wonder that the City of Sugar Land needed a better way to provide potable water to support the population while reducing dependence on the existing groundwater withdrawal ...
-
Groundwater use and policy in community water supply in Finland
Selection between ground and surface water in community water supply has been one of the key strategic questions in Finland since the early 1900s. After some cities failed to find reliable groundwater sources, many turned to surface waters. Since the 1950s the use of groundwater and artificial recharged groundwater have continuously increased. Presently their use is promoted by the government and ...
-
Unauthorized groundwater use: institutional, social and ethical considerations
In many areas of the world, particularly in arid regions or in areas experiencing population growth, there is increased competition over scarce water resources. This is likely to increase in the future due to continued population growth, urban expansion and the challenge of the impact of climate change on water resource availability. In this context, groundwater is likely to play a pivotal role ...
-
Geochemical classification of groundwater using multivariate statistical analysis in Latvia
Multivariate statistical methods – principal component analysis (PCA) and hierarchical cluster analysis (HCA) – are applied to identify geochemically distinct groundwater groups in the territory of Latvia. The main processes observed to be responsible for groundwater chemical composition are carbonate and gypsum dissolution, fresh and saltwater mixing and ion exchange. On the basis of major ...
-
Causes and consequences of groundwater use: Zanzibar, Tanzania
The availability and quality of water resources has received much international attention in recent years, as many regions approach water crises. Tourism has often been pointed out as a major factor in water abstraction particularly in coastal areas. This paper examines water use on the east coast of Unguja Island (Zanzibar), Tanzania where recent and massive tourism development has substantially ...
-
Defluoridation of groundwater using mixed Mukondeni clay soils
Excess fluoride in drinking water is harmful to human health and therefore it needs to be removed from water before consumption. The potential of locally available mixed Mukondeni clay soils (MMCS) as a cheap adsorbent for the removal of fluoride from aqueous solution was investigated. Characterization of MMCS was done by X-ray fluorescence, X-ray diffraction, scanning electron microscopy, ...
-
Oman: Guidelines for groundwater abstraction
Groundwater is a precious resource in Oman, which is designated “National Wealth” by Royal Decree. The concession agreement between Petroleum Development Oman (PDO) and the government gives PDO the right to explore and use groundwater. So far PDO has used groundwater only for maintaining camp operations. As the field is maturing, PDO is moving to enhanced oil recovery techniques, such ...
-
Balancing Sustainable Groundwater Use and Crop Yields
Strategies like managed aquifer recharge can help strike a balance between crop yields and groundwater preservation In the United States, the production of three key crops relies heavily on irrigation, but in some regions, groundwater use for irrigation far outpaces natural aquifer recharge rates. As aquifers are depleted, a number of ill effects follow. Ultimately, they may provide less water ...
-
Synergistic Treatment of BTEX Compounds Using Oxidation and Free Radical Chemistries
ABSTRACT: In an unusual delivery process, prompted by the historical in-situ delivery via permanent points, the unconventional introduction of a remedial solution to the groundwater using numerous pits effectively overcame site specific obstacles. A two phase program effectively at the site in Saint Augustine, Florida, introduced the remedial chemicals sodium persulfate, hydrogen peroxide and ...
-
Characteristics of a Bentonite Slurry as a Sealant
Many of the technologies that relate to groundwater use bentonite slurries. The results of a laboratory investigation aimed at determining the characteristics of a bentonite slurry as a sealant are presented herein. Slurry indicator tests were used to determine the physical characteristics of the slurry, and performance tests, such as hydraulic conductivity and model tests, were conducted to ...
-
Nitrate removal from groundwater using biodegradable polymers as carbon source and biofilm support
A new kind of biodegradable polymer, PBS, was used as both carbon source and biofilm support in a fixed-bed reactor to remove nitrate from groundwater. The experimental results showed that the denitrifying bacteria can easily attach to the surface of PBS granules and adapt to use PBS as carbon source. The SEM observation indicated that the fine biofilm can develop on the surface of PBS granules ...
-
Remediation using ERH with sheet pile electrodes confidential client, Indianapolis, IN
TRS Group, Inc. (TRS) is providing a Standard Fixed Price Remediation (SFPR) of trichloroethene (TCE), tetrachloroethene (PCE) and Vinyl Chloride (VC) in soil and groundwater using Electrical Resistance Heating (ERH) at a confidential site located in Indianapolis, Indiana. Unique aspects of this project included the installation of all electrodes, conveyance piping and wiring below ground. Rapid ...
-
Food industry needs to step up on responsible groundwater use
Californians are all too familiar with what happens when water is not treated as the precious resource it is. But most of us are unaware of the enormous power we have through our day-to-day purchases, social media campaigns and petition drives to push food companies to take more responsibility in protecting global water supplies. Food production, the world’s biggest water user, is a major ...
By Ceres
-
Enhanced bioremediation of groundwater using in-well methods – Case Study
Overview: This white paper provides a comparison of two groundwater treatment methods that are used to facilitate remediation of floating and dissolved petroleum hydrocarbons in groundwater. Both methods have some merit. However, United Remediation Technology (UniRemTech)’s Wellboom ™ can provide a faster and longer lasting solution due to its composition of absorption and in-situ ...
-
Laboratory investigation on the removal of radium from groundwater by Ba(Ra)SO 4 co-precipitation
The USEPA radionuclides regulations have spurred significant research efforts for developing better technology for radium removal from groundwater. The use of barium chloride to remove radium from groundwater is a promising technique. For that, laboratory experiments were carried out to evaluate the effectiveness of different barium chloride doses on the reduction of radium and its impact on ...
-
Spatial modelling of groundwater potential in Zimbabwe using geographical information systems techniques
The research was aimed at modelling variations in groundwater potential within Zimbabwe. Input parameters used in the study were: lithology, groundwater productivity, slope, and depth to groundwater, faults, groundwater storage and their interrelationship. Each parameter was first individually classified according to how it promotes or constrains groundwater occurrence. The input parameters were ...
-
Case study - Successful remediation of MTBE-impacted groundwater using in situ
Description Initially an SVE/bioventing system was operated for 16 months, removing over 20,800 pounds of gasoline, leaving groundwater concentrations of TPHg and benzene of 60 and 0.37 ppb, respectively. The highest MTBE concentration in September 2001 was 5,400 ppb at a monitoring well just downgradient of the former USTs, with a total estimated area above 500 ppb of over 12,000 square feet. ...
-
Of transboundary basins, integrated water resources management (IWRM) and second best solutions: the case of groundwater banking in Central Asia
This paper tells the story of trade-off between hydropower and irrigation and its implications for groundwater use in Syrdarya basin in Central Asia. With the independence of the central Asian republics, this trade-off has become a transboundary issue. Efforts to coordinate bilateral action using integrated water resources management (IWRM) principles of basin-wide cooperation have not yet ...
-
Modelling nitrate pollution of groundwater using artificial neural network and genetic algorithm in an arid zone
This paper presents a hybrid approach to analyse nitrate pollution based on an Artificial Neural Network (ANN) and Genetic Algorithm (GA). This makes it possible to compute the amount of nitrate in different time-scales easily without employment of confusing complicated mathematical equations. Generally, the results of the current research could be useful in management purposes and also for ...
-
Study of groundwater using visual MODFLOW in the Manas River Basin, China
For effective groundwater management of a basin, it is essential that a careful water balance study be carried out. A three-dimensional transient-state finite difference groundwater flow model is used to quantify the groundwater fluxes and analyze the dynamic changes of groundwater level. After monitoring groundwater levels for 43 typical observation wells through a simulation study of the ...
Need help finding the right suppliers? Try XPRT Sourcing. Let the XPRTs do the work for you