well level monitoring Articles

  • San Juan Island well production and tank level monitoring case study

    San Juan Island is a popular resort destination whose population fluctuates with the season and the arrival of Orca whales and salmon runs. To get to the island, you must first drive an hour north of Seattle to the city of Anacortes. From there you take a two-hour ferry ride through a 130 island group to arrive at the 20 mile San Juan Island, which is at the waterway entrance to Puget Sound. Bob ...


    By Mission Communications, LLC

  • Optimising laboratory environment for successful IVF

    The London Women’s Clinic in Cardiff (LWC Wales) is one of ten clinics within its group which collectively provide expert fertility treatment to families across England and Wales. When it comes to IVF and fertility treatment there is no ‘off-the-shelf’ or ‘one size fits all’ solution and, as such, the medical teams produce a bespoke fertility programme for each and ...


    By Geotech

  • What is a Spectrometer?

    The characteristics of a white LED light differs greatly, when compared to a yellow CFL. Without any special tools, one can see that the LED emits a clear white color, while the CFL generates yellow light. Going one step further, using a spectrometer, one will be able to “dissect” the light sources and see that they are composed of other colors in the visible light spectrum, such as ...


    By Larson Electronics LLC

  • Treatment and Disposal of Air Pollution Control Residue

    What is APCr? Thermal waste management using Energy Recovery Facilities (ERFs) is now a well-managed and mature technology that is subject to environmental monitoring by a range of competent international bodies. These ERFs have been established as a means of diverting waste away from landfill disposal and for valorising the material and energy content of the waste. Counter to historic ...

  • Tidal influences on unconfined water levels in wells.

    Tidal effects have the potential to measurably affect water level measurements and the estimation of groundwater flow direction and gradient. This has significant implications for the prediction and monitoring of contaminant plumes in coastal areas. Studies were conducted at two near-coastal sites in San Diego County, California, to evaluate the impact of tidal variability on the interpretation ...


    By Hargis + Associates Inc

  • Analyzer underpins growth of container inspection company

    After a career as a customs officer in the Netherlands, Wim van Tienen was well aware of the toxic gas hazards presented by some freight containers, so in 2009 he started a company, Van Tienen Milieuadvies B.V., offering gas analysis and safety advice. The company grew quickly and now employs 23 staff. Wim attributes a large part of this success to the advanced FTIR gas detection and analysis ...


    By Gasmet Technologies Oy

  • Leachate Level Monitoring at Ardley

    B&M Solutions for Viridor Waste, July 2007 Supply of leachate level telemetry system for Ardley Landfill, Oxfordshire Hydro-Logic working alongside B&M Solution (Egniol Ltd) supplied and installed a monitoring network around Ardley Landfill Site. The network was to monitor the leachate levels in 15 wells around the full extent of the site. The ...

  • Case study - Well monitoring for a water supplier

    The municipality company, in city of Luebek, Germany, provides potable water for approximately 120,000 households, all pumped from more than 30 wells.  These wells have water levels as deep as 160 meters.  The water levels of these groundwater wells must be measured with the highest possible accuracy.  Previously, the pressure probe's analogue output signals (4…20mA) that ...

  • Regional Ground Water Level Monitoring in Germany

    Reference Project: Regional Ground Water Level Monitoring, Germany ribeka is responsible for monitoring the ground water levels within an area of over 4.000 km2 in the western German province of North Rhine-Westphalia. Within this densely populated area that comprises many large cities (e.g. Cologne and Bonn) as well as Europe’s biggest brown coal open mining site, extensive ground water ...

  • A method for reducing purge volumes in deep monitoring wells: a purging experiment.

    Regulatory agencies often require three well casing volumes or more be purged prior to collection of groundwater samples for chemical analysis. Costs are high for testing and disposing of potentially hazardous purge water; therefore, efforts must be made to minimize waste-water volume while obtaining representative groundwater samples. Lockheed sponsored a purge experiment on two deep monitor ...


    By Hargis + Associates Inc

  • IEG multi level sampling well (MLSW) case study - IEG Technologie GmbH

    The MLSW-system is used for the recovery of multiple high-quality samples of soil-gas and groundwater from numerous isolated horizons in a single standard borehole. The system is also used to accurately delineate contamination profiles in three dimensions, which is vital or the design, installation and monitoring of remediation systems. MLSWs also can be used for activly dispersing substances ...


    By IEG Technologie GmbH

  • Latin America well-positioned for CDM

    The coastal desert of Colombia’s La Guajira state is a world away from Kyoto, the temperate Japanese city where representatives of 159 countries in 1997 signed the Kyoto Protocol on reducing greenhouses gases. The Caribbean laps against rickety settlements. Herds of goats range across scorching sands. Months, whole years, pass without rain. But Kyoto is well known to the inhabitants of La ...


  • Automatic Sludge Blanket Level Detector: Monitor & control for effective, efficient processing

    Reducing energy consumption at municipal and industrial plants is, increasingly, a priority. Markland Specialty Engineering Ltd., designing and manufacturing process control instrumentation since 1967, helps achieve this important goal with its Automatic Sludge Blanket Level Detector. By helping facilities reduce waste - reducing unnecessary water, chemical or energy use, and unnecessary ...

  • Monitoring oxygen levels for personnel safety in food packaging facility - Case Study

    Ghanim International have installed three EC96 oxygen deficiency monitors to monitor the oxygen levels at their manufacturing facility. Ghanim International UK Ltd, a subsidiary of Brunei Wafirah Holdings, was established in August 2011. Currently they manufacture their own label products from a production site in Birmingham but aim to acquire their own abattoirs and poultry ...


    By Systech Instruments Ltd

  • Monitoring level of fuel and diesel oil in cylindrical tanks case study

    SmartScan 50L delivers a reliable measurement solution for monitoring fuel and diesel oil in a municipal Central Post Office. This Post Office provides postal services throughout the country. To provide its services around the clock, the office invests huge efforts in maintaining its building at the highest standards. The problems The Central Post Office uses fuel oil for ...

  • Wastewater Level Measurement Techniques

    Level monitoring and control is a fundamental requirement in any wastewater treatment process. You will find level instrumentation installed at even the simplest treatment plants for pump control, chemical storage tanks and process level controls or alarms. Operators have only limited or emergency control over treatment plant influent, so level controls and instrumentation play an important role ...


    By Greyline Instruments Inc.

  • Importance of discrete-zone monitoring systems in fractured-bedrock wells -- A case study from the University of Connecticut landfill, Storrs, Connecticut

    Monitoring of hydraulic head is an important part of many hydrogeologic investigations because it is used to determine the rates and directions of ground-water flow. In unconfined aquifers, open-hole water levels can be used to establish meaningful conceptual models of ground-water flow. In heterogeneous fractured-rock aquifers, however, where the hydraulic head can be different for each fracture ...


    By Solinst Canada Ltd.

  • How well does my filter work?

    Contamination control is the key to a cost-effective maintenance operation for hydraulic or engine systems. You depend on your filters, whether hydraulic, lube or fuel, to keep your fluids clean, to keep maintenance costs down, and to ensure reliable operation. At some point, you probably will ask yourself whether or not your filters are really working and doing what they were designed to do. ...

  • Use of Eight Well Purging and Sampling Record

    This article describes a groundwater well purging and sampling form that can be downloaded at our website. A click on the articles button will take you to a list of Monitoring Tips and Procedures articles, one of which is the sampling form. The form can be used to record  indicator parameters pH, conductivity, temperature, etc., taken during ...


    By RotaPump, Inc

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