Tag Archives: Nutrients

University of Maryland Study Examines Effective Chesapeake Bay Management Practices

A new report by the University of Maryland Center for Environmental Science (UMCES) looks at 40 case studies in the Chesapeake Bay watershed to determine which management practices have been most effective. According to the report, “New Insights: Science-based evidence of water quality improvements, challenges, and opportunities in the Chesapeake,” upgrading water resource recovery facilities, [...]

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Wisconsin Governor Signs Bill Supporting Adaptive Management

On Dec. 12, Wisconsin Gov. Scott Walker signed Senate Bill 190, providing the Wisconsin Department of Natural Resources with more flexible and cost-effective options for protecting water quality on a watershed scale. The new law paves the way to expand adaptive management and water quality trading, as it allows for pollutant-specific Wisconsin Pollutant Discharge Elimination [...]

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Still Impaired, Chesapeake Bay Shows Signs of Improvement

On Nov. 27, the Chesapeake Bay Program (CBP) released the “Bay Barometer,” a report detailing long- and short-term health trends of the bay and progress made throughout the watershed. Although the CBP says restoration work provides cause for optimism, ecological indicators continue to show impairment due to excess nutrients, chemical contaminants, and resource demands, the [...]

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Reducing Nitrogen in Waterbodies May Take Longer than Previously Thought, Studies Show

Nitrogen has been the subject of several studies over the last month. On Nov. 12, the U.S. Geological Survey (USGS) released a study showing that efforts to reduce nutrient and sediment delivery to the Chesapeake Bay may be delayed due to the slow speeds at which groundwater moves. This particular study focuses on nitrogen from [...]

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Natural Resources Department Must Consider Downstream Impacts of Phosphorus, Court Rules

On Sept. 19, a circuit court rejected the Wisconsin Department of Natural Resources’ (DNR) assertion that considering the downstream effects of phosphorus from an industrial dairy processing plant was merely optional. Based on the court’s decision, in issuing a discharge permit, the DNR must set a phosphorus limit that is protective of water quality in [...]

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Conservation Practices Make Significant Contributions to Mississippi River Water Quality

On July 31, the U.S. Department of Agriculture Natural Resources Conservation Service (NRCS) released information on its Mississippi River Basin Healthy Watersheds Initiative. During the last 4 years, NRCS has devoted $341 million to 640 small priority watersheds in the Mississippi River Basin. With financial and technical assistance from NRCS, farmers have built conservation practices [...]

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Maryland Approves $65 Million for Clean Water Upgrades

On July 24, The Maryland Board of Public Works approved more than $65 million in funding to upgrade water resource recovery facilities, improve drinking water systems, and prevent sewage overflows. Projects receiving funding include enhanced nutrient removal at water resource recovery facilities and sewer improvement projects. According to Maryland Gov. Martin O’Malley, these projects will [...]

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Florida Governor Approves Bills Protecting Florida Natural Resources

On May 28, Florida Gov. Rick Scott signed HB 7065, which will pump $32 million annually into the $880 million Everglades Restoration Plan. The plan seeks to restore water quality and flow to improve the health of Everglades habitat and the South Florida economy. The plan includes an additional 2630 ha (6500 ac) of stormwater [...]

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EPA Defends Water Quality Trading at Senate Hearing

On May 22, Michael Shapiro, deputy assistant administrator in the U.S. Environmental Protection Agency’s (EPA) Office of Water, defended water quality trading as consistent with the Clean Water Act. At a hearing of the Water and Wildlife Subcommittee, part of the Senate Environment and Public Works Committee, Shapiro discussed EPA’s water quality trading policy. The [...]

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WERF Releases New Tools and Reports

Flood grouting reduces wet weather sanitary sewer overflows According to a Water Environment Research Foundation (WERF) report released in February, flood grouting is a cost-effective solution that can reduce infiltration into sanitary sewers. In Seattle’s Broadview neighborhood, stormwater and groundwater were infiltrating defects in the sanitary sewer that had accumulated over time, causing wet weather [...]

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