water level indicator Articles

  • Why Water Management Professionals Can’t Afford to Ignore Innovation

    Innovation in the water management industry is born from the collaboration between water managers, operators, engineers and manufacturers who set out to resolve problems or improve service levels that impact all parts of the supply chain. This is usually the result of early adopters either at the field level or in engineering ...


    By Singer Valve Inc.

  • Healthy Habits - Improving Wellbeing on a Work Schedule

    As we firmly embrace 2017 crashing into these strange new numbers head on, many of us will be facing the harsh reality of our New Year resolutions; perhaps – just perhaps – in many cases feeling like we’ve promised just a little more than we can deliver. Taking an educated guess, it’s safe to assume many people’s plans will consist of some effort to get back into ...


    By SHEilds Ltd

  • 10 Reasons why you should continuously monitor low temperature and liquid chemical sterilants for worker safety

    1. Sterilant chemicals are highly toxic Low temperature and liquid chemical sterilants are designed to kill all microorganisms including resistant spores and if they were not toxic, they would not be effective in sufficiently high concentration to destroy all microbial life including the chemically resistant sporicidal forms of certain ...


    By ChemDAQ, Inc.

  • What is a wastewater treatment system and how does it work?

    For industrial companies producing wastewater as part of it’s process, some type of wastewater treatment system is usually necessary to ensure safety precautions and discharge regulations are met. The most appropriate wastewater treatment system will help the facility avoid harming the environment, human health, and a facility’s process or products (especially if the wastewater ...


    By SAMCO Technologies, Inc.

  • LIT25 level indicating transmitter controls swimming pool level

    The Town of Okotoks, Alberta I never gave it much thought, but what happens to the displaced water when a hundred people jump into a large public swimming pool? It goes into a surge tank - of course. This Greyline LIT25 Level Indicating Transmitter with ultrasonic sensor is installed in the basement of the Okotoks Recreation Centre in Alberta, Canada. The LIT's 4-20mA output is connected to a ...


    By Greyline Instruments Inc.

  • Oil Sampling Best Practices (Part 2)

    Understanding Dynamic Particle Equilibrium in Closed Loop Systems Dynamic Equilibrium Condition (DEC) is defined as a steady state condition where the normal wear rate in a machine results in no net gain or loss of particles. ...


    By Spectro Scientific

  • E-Z Trays an Integral Part of Levelland`s Groundwater Treatment - Case Study

    QED E-Z Tray® Air Strippers an Integral Part of Levelland's Groundwater Treatment System The refinery at the former Motor Fuels Corporation produced all grades of gasoline, tractor fuels, diesel, distillate products, and fuel oils. It closed in 1954 after 15 years of operation, and the refinery equipment was removed by 1958. The property has since been redeveloped, but the ...


    By QED Environmental Systems

  • Performance indicators for water supply management

    In the present study specific performance indicators are proposed that express the level of service of a water system subjected to varying operating conditions over time. The proposed methodology has been applied to a specific case study (Sinni water supply system in Basilicata – Italy) to demonstrate the real applicability of the proposed performance analysis that could be very useful to ...


    By IWA Publishing

  • Evolution of sustainable water resources indicators

    ABSTRACTThe Sustainable Water Resources Roundtable (SWRR) is one of several natural resource roundtables with government, corporate, and NGO participation. SWRR has been a subgroup of the Advisory Committee on Water Information (ACWI) since 2001, and operates under authority of OMB M-92-01 and the Federal Advisory Committee Act. The purpose of the Roundtable is to provide an open forum for ...

  • Indicators of Pollution Management

    'The definition and selection of environmental performance indicators is still at an early stage but the use of indicators is increasing, both for the tracking of trends in pollution and other environmental issues at a large scale (national or regional) and also for the monitoring of Bank projects. This note provides a framework to assist in the selection of appropriate indicators for pollution ...


  • Oral exposure to industrial effluent with exceptionally high levels of drugs does not indicate acute toxic effects in rats

    The Patancheru area near Hyderabad in India is recognized as a key link in the global supply chain for many bulk drugs. A central treatment plant receives wastewater from approximately 90 different manufacturers, and the resulting complex effluent has contaminated surface, ground, and drinking water in the region. Ecotoxicological testing of the effluent has shown adverse effects for several ...


    By John Wiley & Sons, Ltd.

  • Looking beyond headline indicators: water and sanitation services in small towns in Ethiopia

    This paper presents findings on water and sanitation service levels from 16 small and medium towns in four regions of Ethiopia. In these settlements, the proportion of people with access to improved water and sanitation services is found to be high and consistent with other major datasets and reports for urban Ethiopia. However, when service characteristics such as reliability, quality, ...


    By IWA Publishing

  • Exploring water indices and associated parameters: a case study approach

    In the past 20 years, over 50 water indices have been developed to characterize human-water systems within the frameworks of water scarcity, water poverty, water vulnerability, and water security. This study compares existing water indices in Bangladesh and Sri Lanka to better understand which parameters (or lack thereof) contribute to the usefulness of water indices. Drawing on knowledge about ...


    By IWA Publishing

  • Pesticide Impact Rating Index - A Pesticide Risk Indicator for Water Quality

    Pesticide users, natural resource managers, regulators, government agencies and many others are concerned about the off-site impact of pesticides on the environment. Systematic methods of the assessment of potential risk of pesticides to environmental components can serve as valuable tools in decision making and policy formulation. Simple risk indicators have been developed which cover a range of ...


    By Springer

  • Pesticide Impact Rating Index – A Pesticide Risk Indicator for Water Quality

    Pesticide users, natural resource managers, regulators, government agencies and many others are concerned about the off-site impact of pesticides on the environment. Systematic methods of the assessment of potential risk of pesticides to environmental components can serve as valuable tools in decision making and policy formulation. Simple risk indicators have been developed which cover a range of ...


    By Springer

  • Towards The Application of Specific Exergy as an Integrated Indicator For Transitional And Coastal Waters

    Ecological indicators are used increasingly to assess the health condition of ecosystems. However, the vast majority of indicators are based on a particular species or components, for example: phytoplankton, zooplankton, macrophyes, macrobenthos, etc. Even though such indicators have provided useful indications on ecosystem status, they are not broad enough to reflect the real complexity of ...


  • Determination of diurnal water level fluctuations in headwaters

    The aim of this paper is to study diurnal fluctuations of the water level in streams draining headwaters and to identify the controlling factors. The fieldwork was carried out in the Gryżynka River catchment, western Poland. The water levels of three streams draining into the headwaters via a group of springs were monitored in the years 2011–2014. Changes in the water pressure and water ...


    By IWA Publishing

  • Adaptative methodology of sustainability indicators management by ontology

    The growth of many sectors in modern society has increased the degradation of the environment. Consequently, it generates great ecological unbalance, enhancing the importance of sustainable development, since it stimulates productivity, job and income creation, while reduces the rates of deforestation, erosion and water and soil pollution. In this context, sustainability indicators can be useful ...


    By Inderscience Publishers

  • Eco-economy indicator: past decade the hottest on record

    The first decade of the twenty-first century was the hottest since recordkeeping began in 1880. With an average global temperature of 14.52 degrees Celsius (58.1 degrees Fahrenheit), this decade was 0.2 degrees Celsius (0.36 degrees Fahrenheit) warmer than any previous decade. The year 2005 was the hottest on record, while 2007 and 2009 tied for second hottest. In fact, 9 of the 10 warmest years ...


    By Earth Policy Institute

  • Bi-level optimization allocation model of water resources for different water industries

    There are severe water shortages, exacerbated by overexploitation, in the region upstream of the dam at Zhang Jiakou, and in many other regions, both in China and other parts of the world. Allocating water resources equitably amongst the numerous domestic and industrial consumers in these regions, while preserving or improving the environment and meeting economic goals, is a highly complex ...


    By IWA Publishing

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