Tag Archives: water quality monitoring

EPA Releases Guidance on Microbial Risk Assessment and Recreational Water Quality Criteria

In mid-January, the U.S. Environmental Protection Agency announced that it published “Microbial Risk Assessment Tools, Methods, and Approaches for Water Media” to aid the development of robust and scientifically defensible risk assessments for waterborne pathogens. EPA’s document describes a human health risk assessment framework for microbial hazards in water media, such as pathogens in treated […]

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Defra Releases Bathing Water Quality Compliance Results

New figures published by the United Kingdom’s Department for Environment, Food & Rural Affairs (Defra) on Nov. 6 show that 93% of England’s beaches and inland bathing waters met the minimum European water quality standard, which is based on Escherichia coli limits. However, only about 60% meet the more stringent standards, which are set to […]

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Sea Grant Releases Great Lakes Monitoring Data Website

On Dec. 1, the Illinois-Indiana Sea Grant (IISG) announced a new website that displays environmental data from across the Great Lakes region. The Great Lakes Monitoring application, created in conjunction with the National Center for Supercomputing Applications (NCSA), makes it easy to view and analyze decades of nutrient, contaminant, and water characteristic data collected by […]

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Sensors Provide Daily Nitrate Data in Mississippi River Basin

Announced in November, a U.S. Geological Survey (USGS) article published in Environmental Science & Technology describes how advanced optical sensor technology on small streams and large rivers throughout the Mississippi River basin are helping to accurately track nitrate pulses to the Gulf of Mexico. USGS is using the sensors to collect nitrate concentration data every hour. […]

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EPA Updates Beach Guidance, Launches New Beaches Website

On July 31, the U.S. Environmental Protection Agency (EPA) published updated National Beach Guidance and Required Performance Criteria for Grants. To receive grants, the 38 states, territories, and tribes eligible under the Beaches Environmental Assessment and Coastal Health Act must meet the performance criteria established by EPA. According to EPA, the requirements will lead to […]

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Level of Toxics in European Freshwater Greater than Anticipated

European Union member states have called for substantial improvements in freshwater quality by 2015 through the Water Framework Directive. While the European Environment Agency recently released a report on the excellent water quality of swimming beaches, a large-scale study by the Institute for Environmental Sciences Landau together with the Helmholtz Centre for Environmental Research, both […]

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NRDC Release Beach Water Quality Report

On June 25, the Natural Resources Defense Council (NRDC) released its 24th annual beach report, finding 35 “superstar” beaches and 17 “repeat offenders.” According to the report, 10% of water quality samples collected last year from nearly 3500 coastal and Great Lakes beaches in the U.S. contained bacteria levels that failed to meet the U.S. […]

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Report Covers Dissolved Metals Removal from Roadway Stormwater

In mid-May, the National Cooperative Highway Research Program (NCHRP) released the report “Measuring and Removing Dissolved Metals from Stormwater in Highly Urbanized Areas.” The issue of dissolved metals is coming to the forefront in stormwater management and is an increasing concern for regulatory agencies. This is especially true in urbanized areas with limited space for […]

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Water Quality Excellent at Majority of Europe’s Swimming Sites, Report Says

In late May, the European Environment Agency (EEA) released a report on the water quality of Europe’s beaches, rivers, and lakes. According to the report, European waters were generally of high quality in 2013, with 95% of sites meeting minimum requirements and 83% meeting the more stringent ‘excellent’ level. Just 2% were rated as poor. Coastal […]

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Researchers Study Lake Erie Algal Blooms

The dead zone in Lake Erie was shrinking until the trend reversed in the mid-1990s, along with a resurgence of harmful algal blooms in 2011 that could be seen from space. In 2012, numbers of algae began to decrease as phosphorus levels also decreased. One of the greatest sources of algal blooms seems to be […]

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