aquifer monitoring Articles

  • Sparta aquifer master plan

    Client: Union County Water Conservation Board Completion Date: 2004 Services Provided Hydrogeologic modeling Evaluate alternative supplies Aquifer storage and recovery Dam and reservoir Wastewater reuse River supply Conservation 65-MGD river intake ...


    By Burns & McDonnell

  • Aquifer storage & recovery

    Client: City of Wichita, Kansas  Completion Date: November 2001  Services Provided Program management Hydrogeological engineering Water quality monitoring Design criteria development Water accounting system Public information program Permitting agency reviews ...


    By Burns & McDonnell

  • TCE Remediation in Saprolite and Bedrock Aquifers

    Site Summary Subsurface investigations at this operating manufacturing facility revealed TCE contamination in saprolite and bedrock aquifers. The complicated site geology created the need for a remedial strategy effective in tight soil and fractured bedrock. Accelerated bioremediation using HRC was selected for a pilot study because its use offered a remedial method that would not interrupt ...


    By REGENESIS

  • Virus Transport Experiments in a Sandy Aquifer

    Abstract  The occurrence of human enteric viruses in ground water has been well documented in the literature. Bacteriophages such as MS-2 and PRD1 have properties similar to pathogenic human viruses suggesting that bacteriophages can be used as proxies for virus transport. The objective of this study is to investigate a “worst case scenario” for virus transport in a ground water aquifer, ...


  • Mapping of freshwater aquifers case study

    Big Pine Key, Florida The Nature Conservancy is coordinating investigations to document the physical and biological changes that will occur on small oceanic islands as a result of sea level rise. Big Pine Key, FL is one of the primary areas of investigation because of extensive previous work and that a large portion of the island is a National Wildlife Refuge and therefore not subject to ...


    By GeoView, Inc.

  • Application of 3D-fluorescence/PARAFAC to monitor the performance of managed aquifer recharge facilities

    3D-fluorescence spectroscopy was used as a monitoring tool to describe the fate and transport of dissolved organic matter (DOM) during groundwater recharge using recycled water, imported water, and stormwater at a managed aquifer recharge site in California. The study was supplemented by analysis of conservative wastewater-derived trace organic chemicals using liquid chromatography coupled ...


    By IWA Publishing

  • DOD evaluates bioaugmentation for remediating low-pH aquifers

    The US Department of Defense (DOD) has completed pilot-scale work on the 'MAG-1' site at Fort Dix, NJ, to test suitability of anaerobic bioremediation for an aquifer with low pH. Project results will be used to design full-scale ground-water treatment at MAG-1. In addition, technical criteria gained from the demonstration will be integrated into DOD’s remediation strategy for its many facilities ...

  • Mapping of freshwater aquifers by GeoView case study

    Big Pine Key, Florida The Nature Conservancy is studying the physical and biological changes that will occur on small oceanic islands as a result of sea level rise. Big Pine Key, Florida is one of the primary areas of investigation because of extensive previous work on the key and because a large portion of the island is a National Wildlife Refuge. As part of the investigation, GeoView ...


    By GeoView, Inc.

  • The variation of stygofauna along a gradient of salinization in a coastal aquifer

    We examined the variation of stygofauna composition collected in wells, along a gradient in groundwater salinity/conductivity in a coastal aquifer from southern Portugal. The studied coastal aquifer is considered vulnerable to salinization due to seawater intrusion, caused by overexploitation of the aquifer. Knowing the response of the stygofauna species to present levels of groundwater ...


    By IWA Publishing

  • Field scale longitudinal dispersivities estimation in a karstic aquifer

    To simulate contaminant advective transport it is required to provide dispersivity values to the models, values that are unknown in many cases. In this paper a methodology is presented to estimate longitudinal dispersivities at field scale, based on the monitoring of groundwater quality at an unconfined aquifer that is below a waste disposal site with no liners for groundwater protection, and by ...


    By Inderscience Publishers

  • Site Characterisation in Support of Monitored Natural Attenuation of Fuel Hydrocarbons and MTBE in a Chalk Aquifer in Southern England

    This Case Study Bulletin describes a research project, which was carried out to determine whether monitored natural attenuation was a viable option for managing fuel hydrocarbon contamination in a chalk aquifer in southern England. The research, which was carried out from February 2000 to March 2001, was undertaken by the University of Sheffield on behalf of TotalFinaElf at a petrol filling ...


    By Solinst Canada Ltd.

  • ANN-based approach for the estimation of aquifer pollutant source behaviour

    The problem of identifying an unknown pollution source in polluted aquifers, based on known contaminant concentration measurements, is part of the broader group of issues called inverse problems. This paper investigates the feasibility of solving the groundwater pollution inverse problem by using artificial neural networks (ANNs). The approach consists first in training an ANN to solve the ...


    By IWA Publishing

  • Relevance of hydrological parameters in artificial recharge sites selection and assessment in a granitic aquifer

    Due to increasing demand of groundwater and indiscriminant pumping, groundwater levels have been declined beyond economic levels and the natural recharge is not enough. Thus enhancing recharge to the groundwater system through artificial means has been evident. Depending on the situation, a variety of methods have been in practice but assessing their efficacy as well as optimal site selection has ...


    By Inderscience Publishers

  • Reclaimed Water Aquifer Storage and Recovery: Potential Changes in Water Quality

    Aquifer storage recovery (ASR) operations recharge and recover water through the same well or wells, creating a “bubble” of stored water that typically mixes minimally with ambient groundwater once the storage zone has been developed. Because ASR recharge water does not flow through a vadose zone and is not drawn through an aquifer to a distant point of withdrawal, changes in water quality that ...

  • Impact on Gaza aquifer from recharge with partially treated wastewater

    The Gaza Strip suffers from high pressure imposed on its water resources. There is a deficit of about 50 mm3 every year, which has led to a declination of groundwater level and deterioration of groundwater quality. New water resources are sought to fulfil the water deficit; among them is the artificial recharge of treated wastewater to groundwater. The impact of recharging partially treated ...


    By IWA Publishing

  • Evaluating the Vulnerability of Bored and Driven Wells in a Shallow Unconfined Aquifer

    Shallow unconfined aquifers are the only source of water for private wells in some rural areas. The Oak Openings region of Ohio is one such location. Wells are usually bored or driven in shallow aquifers and are more susceptible to contamination caused by human activities on the surface. To provide better protection for consumers developing shallow wells, local health departments have doubled the ...

  • Water quality management of aquifer recharge using advanced tools

    Managed aquifer recharge (MAR) with recycled water or other alternative resources is one of the most rapidly growing techniques that is viewed as a necessity in water-short areas. In order to better control health and environmental effects of MAR, this paper presents two case studies demonstrating how to improve water quality, enable reliable tracing of injected water and better control and ...


    By IWA Publishing

  • Using CoBupH MG to adjust aquifer pH - Case Study

    Problem A US Government site had elevated TCE. Low aquifer pH stalled in situ bioremediation. ...


    By EOS Remediation, LLC

  • Case Study - Multilevel well system improved understanding of groundwater conditions in deep aquifers

    Westbay System delivered detailed data in less time and at a reduced cost CHALLENGE Characterizing the plume in a shallow  aquifer is simple, but investigating deeper  aquifers poses several challenges. SOLUTION MACTEC evaluated various monitoring  technologies and determined that  Westbay System modular ...


  • Anaerobic Bioremediation of Groundwater Using Edible Oil Substrate EOS® In an Unconfined Groundwater Aquifer

    ABSTRACT: To treat groundwater contaminants in situ, enhanced anaerobic bioremediation processes can be stimulated through addition of soluble substrates. At a dry cleaners site located in San Jose, California, the goal was to find a substrate that is long lasting and easily distributed into the saturated soils. After evaluating several alternatives, in situ bioremediation using an emulsified ...


    By EOS Remediation, LLC

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