track water quality Articles

  • Tire Shredding: Alternatives to Landfills

    For many reasons, whole tires pose a major problem to landfills. The most obvious is the inefficient use of space. The actual rubber of a tire takes up only a small fraction of the space a tire occupies, and the rest of the space is wasted. A less obvious but far more serious problem is that tires may trap methane gasses when buried with other garbage in landfills. When this happens, the tires ...


    By ECO Green Equipment

  • Well water quality in rural Nicaragua using a low-cost bacterial test and microbial source tracking

    Water-related diseases, particularly diarrhea, are major contributors to morbidity and mortality in developing countries. Monitoring water quality on a global scale is crucial to making progress in terms of population health. Traditional analytical methods are difficult to use in many regions of the world in low-resource settings that face severe water quality issues due to the inaccessibility ...


    By IWA Publishing

  • Hydraulic modeling and water quality monitoring

    Untitled Document The 2004 IMTech conference held in Baltimore, Maryland, April 18-20, attracted hundreds of water professionals interested in the application of IT solutions in water supply and distribution ...


    By Innovyze

  • Remote monitors track river restoration success

    The Norfolk Rivers Trust has installed a remote river monitoring station that has been tracking water quality and flow before and after river restoration work at an area of ecological importance on the River Nar. Rising in chalk hills to the east of the village of Tittleshall, the river flows south for 2.5 km until it reaches Mileham, then predominately west for 39.5 km through the villages of ...


  • An Investigation into the Water Quality of the Charleston Peninsula Storm Drains

    Since the late 1980’s, the South Carolina Department of Health and Environmental Control (SCDHEC) has expressed concern over extremely high fecal coliform counts found in several of the many storm drains that discharge from peninsular Charleston (City of Charleston, 1998). Although the City of Charleston is responsible for the fifty-plus storm drains, Charleston Water System wants to determine if ...

  • Status and trends of water quality in the Tafna catchment: a comparative study using water quality indices

    Water quality indices (WQIs) are necessary for resolving lengthy, multi-parameter, water analysis reports into single digit scores; different WQIs have been developed worldwide which are greatly differing in terms of mathematical structures, the numbers and types of variables included, etc. The aim of this paper is to evaluate trends of water quality in Tafna basin with a comparison of 10 WQIs ...


    By IWA Publishing

  • Monitoring Environmental Quality

    ' In order to determine the effectiveness of actions to improve environmental quality it is necessary to be able to measure relevant environmental parameters at a level of detail which is accurate enough to distinguish the anticipated changes. However, the establishment and maintenance of monitoring systems is time-consuming and expensive and therefore the scale of such systems needs to be kept ...


    By The World Bank

  • Tracking disinfection by-products and arsenic removal during various drinking water treatment trains

    In the central Banat region (Northern Serbia), groundwater is used as a drinking water source. Raw water originates from a 40–80 m and 100–150 m deep layer. It contains a high amount of natural organic matter (DOC = 9.17±0.87 mg C/L) with a trihalomethanes formation potential of 448±88.2 μg/L and a haloacetic acid formation potential of 174±68.9 μg/L. A high amount of arsenic (86.0±3.4 μg/L) is ...


    By IWA Publishing

  • Fecal pollution source tracking in waters intended for human supply based on archaeal and bacterial genetic markers

    The determination of fecal pollution sources in aquatic ecosystems is essential to estimate associated health risks. In this study, we evaluate eight microbial source tracking (MST) markers including host-specific Bacteroidales and Methanobrevibacter spp. for discrimination between human, bovine, equine, and swine fecal contamination in waters intended for human supply. ...


    By IWA Publishing

  • Tracking cooperation and conflict in international basins: historic and recent trends

    This paper describes the use of media-reported events in the assessment of hydropolitical relations and investigates instances of conflict and cooperation over international water resources during the last 60 years. Specifically, two periods – 1948–1999 and 2000–2008 – are compared and assessed for trends in international hydropolitics. In many respects, the dominant trends of the 20th century ...


    By IWA Publishing

  • Standardised survey method for identifying catchment risks to water quality

    This paper describes the development and application of a systematic methodology to identify and quantify risks in drinking water and recreational catchments. The methodology assesses microbial and chemical contaminants from both diffuse and point sources within a catchment using Escherichia coli, protozoan pathogens and chemicals (including fuel and pesticides) as index contaminants. Hazard ...


    By IWA Publishing

  • Refrigerant Gas Tracking: The importance of AC/HVAC system maintenance

    Refrigerant gases are used in commercial facilities such as office buildings, hospitals and warehouses to maintain the climate and air quality. Refrigerant management includes maintaining the air conditioning (AC) or heating, ventilating and air conditioning (HVAC) units often used to maintain the environment in these buildings.Refrigerant gases have been around for many years. These gases are ...


    By Verisae

  • Assessment of the impact of traditional septic tank soakaway systems on water quality in Ireland

    One of the key threats to groundwater and surface water quality in Ireland is the impact of poorly designed, constructed or maintained on-site wastewater treatment systems. An extensive study was carried out to quantify the impact of existing sites on water quality. Six existing sites, consisting of a traditional septic tank and soakaway system, located in various ranges of subsoil ...


    By IWA Publishing

  • EPA`s performance track program - going beyond compliance

    About 8 years ago, the US EPA began its Performance Track Program (PTP). This program is an effective way for facilities to demonstrate a strong commitment to protecting the natural environment. Facilities in this program receive benefits in exchange for having a sound environmental management system in place that ensures compliance, continual environmental improvement, past environmental ...

  • New USEPA water quality criteria by 2012: GOMA concerns and recommendations

    The Gulf of Mexico Alliance (GOMA) was tasked by the five Gulf State Governors to identify major issues affecting the Gulf of Mexico (GoM) and to set priorities for ameliorating these problems. One priority identified by GOMA is the need to improve detection methods for water quality indicators, pathogens and microbial source tracking. The United States Environmental Protection Agency (USEPA) is ...


    By IWA Publishing

  • Tracking biological pollution sources using PCR-DGGE technology at Ta-An Beach

    The environmental authority of Taiwan has announced that ocean quality standard A, with E. coli less than 1,000 CFU/100 mL is safe for swimming. Ta-An Beach in central Taiwan was found to have exceeded 1,000 CFU/100 mL, which is 51% of the total monitoring records. Sewage, piggery and duck wastewater are discharged directly into this area. The traditional pollution source trace methods did not ...


    By IWA Publishing

  • Nitrogen source tracking with 15N content of coastal wetland plants in hawaii

    Received for publication January 7, 2009. Inter- and intra-site comparisons of the nitrogen (N) stable isotope composition of wetland plant species have been used to identify sources of N in coastal areas. In this study, we compared 15N values from different herbaceous wetland plants across 34 different coastal wetlands from the five main Hawaiian Islands and investigated relationships of 15N ...

  • Web enablement of a Water Safety Plan via the municipal-based electronic Water Quality Management System (eWQMS)

    Despite a good legislative framework, South Africa faces significant challenges in the sustainable provision of adequate and safe water services. To improve the situation, South Africa's Department of Water Affairs (DWA) and other water sector partners undertook initiatives to assist municipalities with operation and management of water services. By way of example, in 2006, the municipal ...


    By IWA Publishing

  • Remote Sensing Techniques to detect Surface Water Quality Constituents in Coastal and Inland Water Bodies from Point or Non Point Pollution Sources

    This study demonstrates that point and non-point pollution sources in coastal and inland water bodies can be identified and monitored using remote sensing techniques so early corrective action can be take to prevent or minimize Harmful Algae Blooms (HAB’s). By tracking these changes in the remote sensing images could be very beneficial in establishing cleanup and restoration efforts for improving ...

  • Spatial variation of waterborne Escherichia coli – implications for routine water quality monitoring

    Escherichia coli are often used as faecal indicator bacteria (FIB) to provide a measure of microbial pollution in recreational and shellfish harvesting waters. However, although model forecasts for predicting the concentrations of FIB in surface waters are becoming more robust, they suffer from an inconsistency in quantification methods and an understanding of the spatial variation of FIB within ...


    By IWA Publishing

Need help finding the right suppliers? Try XPRT Sourcing. Let the XPRTs do the work for you