Tag Archives: Nutrients

Nutrient Runoff from Agriculture Scrutinized in Chesapeake Bay

Excess fertilizer and manure applied to the Chesapeake Bay’s Eastern Shore are causing poor water-quality in streams that flow into the bay, according to a new publication released March 12 by the U.S. Geological Survey. According to the report, the Chesapeake Bay’s Eastern Shore receives nearly twice as much nitrogen and phosphorus per square mile […]

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Ohio State, Farmers, and EPA Take Steps to Reduce Algal Blooms

On April 2, Ohio Gov. John Kasich signed into law legislation aimed at reducing nutrient runoff and thereby decreasing algal and cyanobacteria blooms in Lake Erie. The new law prohibits farmers from spreading manure when fields are frozen or saturated or when forecasts call for rain. The manure-spreading ban applies to weather forecasts of at […]

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Hypoxia Task Force Extends Deadline, Plans New Strategies for Reducing Gulf of Mexico Dead Zone

On Feb. 12, the federal-state Hypoxia Task Force announced that it would fail to meet a 2015 goal to reduce the Gulf of Mexico dead zone from about 15,000 km2 to 5,000 km2. The task force has decided to extend the target date for shrinking the dead zone to 2035. Created in 1997, the Hypoxia […]

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Boise To Reduce Phosphorus Through Innovative Offset Project

The City of Boise, Idaho plans to begin construction on an innovative means of meeting phosphorus removal requirements this spring. The Dixie Drain contributes about 40% of phosphorus that drains from the Boise River into the Snake River, as reported by the Boise State Public Radio. The drain, dug in the early 20th century, drains […]

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Harrisburg and Capital Region Water Agree to Reduce Sewer Overflows, Nutrient Discharges

Under an $82 million proposed partial settlement, the City of Harrisburg and Capital Region Water will work to address sewer overflows discharged to the Susquehanna River and Paxton Creek, which are part of the Chesapeake Bay watershed. The settlement, still subject to a 30-day comment period, is a proposed agreement between the city and utility […]

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Federal Agencies Call Virginia Water Quality Trading Program A National Model

On Dec. 16, federal government representatives, Virginia Governor Terry McAuliffe, and others came together to recognize an innovative, market-based nutrient trading program run by Virginia to improve Chesapeake Bay water quality. The U.S. Environmental Protection Agency, U.S. Department of Agriculture, and the White House Council on Environmental Quality lauded the trading scheme as a model […]

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EPRI To Host Auction for Water Quality Trading Credits

On April 16 in New York City, the Electric Power Research Institute (EPRI) will host its first public auction for stewardship credits under the pilot interstate Ohio River Basin Water Quality Trading project. Interested participants should notify EPRI by March 16. About 90,000 Stewardship credits for nutrient reduction efforts generated by farmers in Ohio, Indiana, […]

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Iowa Water Utility Could Sue Over Farm Runoff

On Jan. 8, the Des Moines Board of Water Works issued an intent to sue three northwest Iowa counties — Sac, Buena Vista, and Calhoun — over high nitrate levels in the Raccoon and Des Moines rivers. The potential lawsuit is an attempt to require better management of fertilizer runoff on agricultural lands, as nutrients […]

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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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WERF Awards Contract to Study Nutrient Removal from Urban Runoff

The Water Environment Research Foundation (WERF) recently awarded the University of California–Berkeley and Stanford University with a contract to research extractive nutrient recovery technologies. This project — Enhanced Removal of Nutrients from Urban Runoff with Novel Unit-Process Capture, Treatment, and Recharge Systems — will aid future design efforts for urban stormwater runoff capture and treatment. […]

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