groundwater supply maintenance Articles

  • Advantages of Advanced Water Treatment Solutions

    Various advanced water treatment solutions are available for households as well as all types of facilities and industries. Water filtration provides users with valuable benefits that many don’t realize yet. Here are some of the advantages of water treatment solutions like an arsenic treatment system. Improved Water Quality A good arsenic filtration system ...

  • ECSMGE CONFERENCE 2015: Managing the Clogging of Groundwater Wells

    This is the poster or summary of a paper being presented at the XVI ECSMGE  - European Conference on Soil Mechanics & Geotechnical Engineering - in Edinburgh from 13th to 17th September 2015. Groundwater wells are common to many civil engineering projects and their operational performance can play a crucial role. The wells may be part of a construction dewatering system, ...


    By Geoquip Water Solutions

  • Combining HVME and Enhanced Bioremediation for Gasoline Contamination in Groundwater

    A leaking underground storage tank at a commercial petroleum retail site located in Haskell, Texas resulted in soil and groundwater petroleum hydrocarbon contamination. This contamination, including benzene, toluene, ethylbenzene, and total xylenes (BTEX) and total petroleum hydrocarbons (TPH) migrated down-gradient below a road and neighboring property. Access below the adjacent roadway was ...


    By REGENESIS

  • GE Leakwise Application Notes: Leak Detection by Groundwater Monitoring

    Risks of Groundwater Contamination Hydrocarbon leakage, from Underground Storage Tanks (USTs) and from the bottoms of above ground tanks, can seep into the groundwater, where it forms a floating oil sheen, or a thick oil layer. This layer, if left undetected, ...


    By GE Analytical Instruments

  • Waterloo Emitters used for Bioremediation Study in High Temperature Saline Groundwater

    A study was undertaken to determine the success for aerobic bioremediation of aromatic hydrocarbons (BTEX) and MTBE (methyl tert-butyl ether) in high temperature, saline groundwater conditions. The study included laboratory microcosm experiments, as well as a field trial in Saudi Arabia, in which Solinst Waterloo ...


    By Solinst Canada Ltd.

  • Battling Iron Bacteria Contamination in Mining

    Published in the May issue of International Mining, this article focuses on the problem of iron bacteria contamination in the water supply for the Tiwest Mine at Cooljarloo, Australia. Mines rely heavily on groundwater sources and the quality and flow of that water have both operational and regulatory implications. The problem of mineral and bacterial contamination in groundwater sources can ...


    By Geoquip Water Solutions

  • Water Active: Borehole Management in Civil Engineering Projects

    Groundwater wells are common to many civil engineering schemes and their operational performance can play a crucial role in the successful delivery of a project, whether used for construction dewatering, alternative water supplies for facilities or any other application , the well performance must be optimized and high levels of operational efficiency and service availability achieved. A ...


    By Geoquip Water Solutions

  • Factors affecting the performance and risks to human health of on-site wastewater treatment systems

    Aerobic wastewater treatment systems (aerobic systems) are the preferred choice in a region overlying a karstic aquifer used for drinking water supplies, as they are thought to provide better protection to groundwater and human health than standard septic systems. However, aerobic systems in operation do not always perform to design standard; while this is often blamed on lack of maintenance, few ...


    By IWA Publishing

  • Water Reuse Alternatives in Southern New Jersey

    Water reclamation and reuse can be a valuable resource in cities or towns that are challenged by population growth, contamination of surface water and groundwater, uneven distribution of water resources, and frequent droughts caused by extreme global weather patterns. In addition to easing the strain on limited freshwater supplies, the reuse of wastewater can improve the quality of streams and ...

  • The potential for health risks from intrusion of contaminants into the distribution system from pressure transients

    The potential for public health risks associated with intrusion of contaminants into water supply distribution systems resulting from transient low or negative pressures is assessed. It is shown that transient pressure events occur in distribution systems; that during these negative pressure events pipeline leaks provide a potential portal for entry of groundwater into treated drinking water; and ...


    By IWA Publishing

  • Indestructible Pumps for Clean Water

    Sulzer pumps are used in the production of drinking water in many cities around the world. The special qualities that these pumps possess can be seen at the Zurich Municipal Water Utility. There, the operators have to cope with rising land and energy prices and a challenging topography. A small water flea plays a major role in Zurich. It swims around in a container of drinking water with some of ...


    By Sulzer Management Ltd

  • The Italian Job

    Open loop systems abstract groundwater from one or more boreholes. Heat is either extracted or added by the primary refrigerant loop, and the water is returned to a separate well or body of water. The supply and return lines need to be placed far enough apart to ensure thermal recharge of the source. The key issues for open loop systems relate to borehole yields, licensing and, most importantly, ...


    By Geoquip Water Solutions

  • Flexible data management helps in regulatory compliance, by Colin Thurston, director of product strategy, process industries, thermo fisher scientific

    In the US state of Florida, the public regional wholesale water provider Tampa Bay Water and Veolia Water North America completed a 454,000 cubic meters (120 million gallons per day) water treatment plant that exceeds federal and state drinking water quality standards. The design, build, and operate (DBO) approach helped to save US$80 million and kept the project on schedule.The Tampa Bay Water ...

  • Environmental degradation of Hamal Lake and adjoining areas due to the effluent of Balochistan and Upper Sindh areas

    The site visit of Hamal Lake and its adjacent villages was carried out from 20th - 24th April, 2005 by a team of Environmental Management Unit – SIDA. The purpose of visit was essentially to find causes of deaths in Kachho area, to monitor quality of water and sources of contamination of waters of Hamal Lake. The samples were collected at zero point of Miro Khan drain at Hamal Lake from upstream ...


  • Reclaimed Water Disifection Alternatives to Avoid NDMA and THM Formation

    ABSTRACTThe Sanitation Districts of Los Angeles County (Districts) operate seven tertiary water reclamation plants (WRPs) with a combined treatment capacity over 200 million gallons per day (MGD). Chloramination is used at these WRPs for effluent disinfection. It was recently discovered that chloramination results in the formation of N-nitrosodimethylamine (NDMA), a compound with high ...

  • 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 ...


    By The OTT Hydromet Group

  • Project profile - Spring Canyon Ranch Quemado, New Mexico

    Background Spring Canyon Ranch, LLC operates a community water system located in Quemado, New Mexico. Two water supply wells provide potable water to approximately 120 service connections. Groundwater enters the treatment system at approximately 40 gallons per minute (gpm) with arsenic concentrations of about 137 parts per billion (ppb). The EPA MCL for arsenic requires ...

  • Jamaica Queens, New York - Full-Scale Remediation using ERH - Case Study

    This project involved a guaranteed source area remediation of tetrachloroethene (PCE) at an operating school bus maintenance facility located in Queens, New York. Engineer: Mr. Greg Beyke Project Superintendent: Mr. Paul Bianco Lithology: Clean sand in both the vadose and saturated zones. Hydrology: Groundwater depth at 12 ft below grade surface (bgs). Treatment Area, Depth Interval ...


    By TRS Group, Inc.

  • Site Closure Strategies: Reducing Remediation Liabilities & Costs

    Industrial companies face the daunting task of managing investigations and clean-ups at thousands of contaminated properties. In staying abreast of new technology and ever-evolving regulatory programs, companies must address many challenges involving regulations, technologies, and expenses. To successfully manage the costs and risks for each project, it is important to: 1) Focus on the ultimate ...


    By AECOM

  • Four steps well owners can take to protect their water wells, health during flooding

    The owners of private household water wells in areas of flooding should act to address possible threats to their drinking water quality, the National Ground Water Association said today. If a well has been flooded: Do not drink the water or wash with it, but use an alternative supply such as bottled water Stay away from the well pump ...

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