Water Quality Articles

  • Real-Time surrogate monitoring of Groundwater pollutants at Oil and Gas production sites

    Using surrogates to monitor groundwater quality in real time The development of oil and gas resources, especially by hydraulic fracturing, has increased concerns about potential groundwater contamination (Figure 1).Typically, grab sample collection and expensive analytical tests are required to determine whether or not groundwater quality has been compromised.Time-consuming analytical ...


    By In-Situ, Inc.

  • THM Removal in a 750,000 gallon tank - Case study

    >60% reduction in TTHMs achieved. Topics: trihalomethane reduction, spray aeration System Overview: This municipality purchases water from a neighboring community. Disinfectant Type: Chlorine Tank / Reservoir Build Information: Name: East Tank Volume: 750,000 gallons ...


    By Medora Corporation

  • Active mixing in Twin 270,000 gallon tanks - Case study

    Temperature Stratification Eliminated - Consistent Chlorine Residuals Topics:  potable tank mixing, stratification, chlorine residual ...


    By Medora Corporation

  • Ireland - Case Study

    Harvesting of healthy adult salmon from the Cork, Ireland site demonstrated that the technical innovation from Niri produces superior results Harvesting of healthy adult salmon from the Cork, Ireland site demonstrated that the technical innovation from Niri produces superior results. The test facility was located near Cork in the Southwest of Ireland. It was constructed in 2010 by Niri ...


    By Niri AS

  • Water Quality Data Logger for Monitoring Coal Mine Runoff

    Water Quality Monitoring Solutions from dataTaker CAS DataLoggers provided an intelligent water quality data logging solution for an open-cut coal mine to monitor high salinity water runoff into local retaining ponds with a Water Quality Data Logger. The water from these retention ponds could only be released into the local river system when it was of sufficient quality to have no effect on the ...


    By CAS DataLoggers

  • Water quality for a laboratory monitored by AQUAVISTA™

    Biochemical & Molecular Biology laboratory at Nîmes University Hospital The Biochemical & Molecular Biology laboratory at Nîmes University Hospital has four main activities: the Biochemistry, Hormonology, Biological Oncology and General Toxico-Pharmacology sectors, for both routine and emergencies; the Toxicology and specialized and forensic ...


    By Veolia Water Technologies

  • Why are we monitoring nutrients at different depths?

    Recently, LG Sonic introduced the MPC-Lab, an innovative monitoring buoy that can monitor algae, physico-chemical variables, and even nutrients such as nitrogen and phosphorus in near real-time and at different depths in a body of water. Combined with our other monitoring tools, this system offers a unique way to detect the spatial and temporal patterns of nutrient concentrations which play a ...


    By LG Sonic

  • Emerging contaminants are a featured topic at the 2018 AWWA NY Meeting

    New York’s Water Event, The New York Section of the American Water Works Association annual conference ran April 10 –  April 12, 2018. Held at the City Center in Saratoga Springs, New York, this year’s event is the 104th meeting and included a solid technical program where information on emerging contaminants such as  ...


    By Purolite Corporation

  • 3 Scientific Tools to Help You Better Understand Your Water Quality

    There are many ways of testing and understanding your water quality with online scientific tools and models. One such resource is the National Water-Quality Assessment (NAWQA) project run by the U.S. Geological Survey (USGS). The project, which was founded in 1991 to develop reliable information about water sources to support decisions on water quality management ...

  • The Water Quality Association comes to Denver

    Purolite representatives from Canada as well as the Midwest and Northeast regions of the United States spent a few days in Denver to support the Water Quality Association (WQA) at their annual meeting. The WQA has been holding this event for its members for more than many decades and Purolite has been a part of the exhibition floor for several years. Visitors from across the globe were in ...


    By Purolite Corporation

  • LG Sonic to automatically predict algal blooms

    LG Sonic will make use of Artificial Intelligence (AI) to further develop the software algorithm which will make it possible to predict algal blooms based on water quality data automatically. Furthermore, it will provide detailed information about the intensity and the impact of the algal bloom on the ecosystem of the water body. The updated algorithm will be implemented in LG Sonic’s ...


    By LG Sonic

  • Water quality prediction using machine learning methods

    This study investigates the performance of artificial intelligence techniques including artificial neural network (ANN), group method of data handling (GMDH) and support vector machine (SVM) for predicting water quality components of Tireh River located in the southwest of Iran. To develop the ANN and SVM, different types of transfer and kernel functions were tested, respectively. Reviewing ...


    By IWA Publishing

  • Groundwater quality changes in a groundwater body in a poor chemical status

    The chemical composition of groundwater in the Quaternary body SK1000600P in the Danube basin was analysed based on chemical analyses from 7 monitoring sites of the Slovak Hydrometeorological Institute network during 2002–2009 and 2010–2015 time periods. The current status was evaluated based on the Regulations of the Government of the Slovak Republic No 282/2010. The influence of the ...


    By IWA Publishing

  • Groundwater quality assessment and its suitability for agricultural purposes in the Behbahan Plain, SW Iran

    Groundwater is the main agricultural water resource in arid and semi-arid regions, so, preserving it is extremely important. In this study, groundwater quality was assessed for irrigation, using the principal chemical and physical quality parameters from 30 wells in the study area. Groundwater classification on the basis of electrical conductivity reveals that more than 85% of the samples taken ...


    By IWA Publishing

  • Why 2017 is LG Sonic’s best year yet

    2017 was another successful year for LG Sonic. The company’s revenue grew for the fifth consecutive year and with new MPC-Buoy installations in Belgium, United Kingdom, Ecuador, Peru and United States, LG Sonic is now running MPC-Buoy algae control projects in more than 17 countries worldwide. Next year will see the introduction of MPC-Lab, this system will combine the most innovative ...


    By LG Sonic

  • How to identify issues in water quality

    Water quality can mean different things to different people and therefore depends on what standard of quality one is looking for, for example, water may be fine for fish to live in but lack the quality required for human consumption. To measure the quality of water accurately, tests are carried out to identify several key indicators. These characteristics are then compared ...


    By Aquaread Limited

  • AWWA releases new manual, M68 Water Quality in Distribution Systems

    The American Water Works Association has released a new manual, ...

  • Pool water quality and prevalence of microbes in filter backwash from metro-Atlanta swimming pools

    During the 2012 summer swim season, aquatic venue data and filter backwash samples were collected from 127 metro-Atlanta pools. Last-recorded water chemistry measures indicated 98% (157/161) of samples were from pools with ≥1 mg/L residual chlorine without stabilized chlorine or ≥2 mg/L with stabilized chlorine and 89% (144/161) had pH readings 7.2–7.8. These water quality parameters are ...


    By IWA Publishing

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