Tag Archives: Nutrients

Vermont Releases Draft Required Agricultural Practices for Improving Water Quality

On October 28, the Vermont Agency of Agriculture, Food, and Markets (VAAFM) released draft required agricultural practices (RAPs). These rules would, for the first time, apply to small Vermont farms. The rules are intended to control and reduce agricultural nonpoint source pollution and nutrient losses from farm fields to surface and groundwater. The goal is […]

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Beavers Help Remove Nitrogen in Streams, Research Says

According to University of Rhode Island (URI) professor Arthur Gold, beavers can help prevent harmful levels of nitrogen from reaching vulnerable estuaries. URI researchers found that the water retention time and the build-up of organic matter in beaver ponds lead to ideal conditions for nitrogen removal. These conditions can result in removal of 5% to […]

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EPA Proposes TMDLs for Lake Champlain

On Aug. 14, the U.S. Environmental Protection Agency (EPA) issued phosphorus Total Maximum Daily Loads (TMDLs) for the 12 Vermont segments of Lake Champlain, the sixth-largest freshwater body in the U.S. Despite reductions in phosphorus entering the lake from several of its tributaries, phosphorus concentrations have not significantly decreased in any areas of Lake Champlain. […]

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Illinois Releases Nutrient Reduction Strategy

On July 21, Illinois released a final state plan to prevent nutrients from entering waterways and eventually polluting the Gulf of Mexico. The Illinois Nutrient Loss Reduction Strategy is considered the state’s most comprehensive and integrated approach to nutrient loss reduction and will help prevent millions of pounds of nutrients — from farm fields, city […]

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Great Lakes Leaders Agree to Phosphorus Reductions

On June 13, the governors of Michigan and Ohio and the premier of Ontario signed an agreement to reduce phosphorus inputs to the western waters of Lake Erie by 40% over the next 10 years, with an interim goal of a 20% reduction by 2020. Phosphorus is a key nutrient that has led to algal […]

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Microbes in Stormwater Canals Could Help Clean Raw Water

A 7-year scientific study has revealed that microbial communities in urban waterways can play an important role in cleansing Singapore’s waterways and also act as raw water quality indicators. The study found that canals designed to channel stormwater host microbial communities that could remove and neutralize organic pollutants, nutrients, and metals in raw water. Organic pollutants […]

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EPA Need Not Make Decision on Nutrient Limits for Mississippi River Basin

On April 7, the U.S. Court of Appeals for the Fifth Circuit ruled that the U.S. Environmental Protection Agency (EPA) does not need to determine whether states in the Mississippi-Atchafalaya River Basin need new or revised water quality standards for nitrogen and phosphorus. The Mississippi River carries nutrient pollution to the Gulf of Mexico, where […]

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China Releases Water Action Plan

By 2020, China plans to make 70% of its water resources in seven river basins clean enough to drink, according to a long-awaited water pollution action plan released by the State Council in April. While effective immediately, local and provincial governments will craft their own strategies in the coming months. To reduce some of the […]

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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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