Development of Nutrient Criteria for Northern Plains States Reservoirs
Abstract:Elevated levels of nutrients, primarily phosphorus and nitrogen, have led to the eutrophication of many surface waters across the United States. To combat these elevated nutrient levels, the U.S. Environmental Protection Agency (EPA) has, since the late-1990s, been encouraging states and tribes to develop numeric nutrient criteria for managing their waters. This paper describes the initial efforts in a project to support the development of nutrient criteria in the Plains states of EPA Region 8 (North Dakota, South Dakota, Montana and Wyoming). These efforts include gathering and analyzing the data needed to support the development of receiving water models which will represent the reservoirs of the study area and simulated their anticipated responses to various levels of nutrient loading. Results of the model simulations can then be used to support the development of numeric nutrient criteria that protect water quality and the designated uses of the area's waters.
Document Type: Research Article
Publication date: January 1, 2011
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