Water quality

Short Title: MERAS Framework Project Chief: Rheannon Hart Cooperator: U.S. Geological Survey Office of Ground-Water Resources Program Project Time Frame: January 2006 - 2009 A hydrogeologic framework for a ground-water flow model is under development as part of the U.S. Geological Survey (USGS) Ground-Water Resources Program to aid in determining ground-water availability in selected areas of the...

Short Title: Mississippi River NRSA Project Chief: Billy Justus Cooperator: U.S. Environmental Protection Agency Project Time Frame: 2008 - 2009 The USGS Arkansas and Missouri Water Science Centers (WSC) are conducting a study for the U.S. Environmental Protection Agency (USEPA) for an ecological assessment of the Lower Mississippi River for USEPA Office of Water's National Rivers and Streams...

Short Title: Southeastern Arkansas Chloride Study Project Chief: Brian Clark Cooperator: Boeuf-Tensas Regional Irrigation Water Distribution District Project Time Frame: July 2007 - September 2008 The Mississippi River Valley alluvial aquifer is one of the highest use aquifer systems in Arkansas. In localized areas, the chloride content has been observed to be high enough to limit the use of this...

Short Title: Reference Lakes Project Chief: Billy Justus Cooperators: Arkansas Department of Environmental Quality and U. S. Environmental Protection Agency Project Time Frame: 2007 - 2008 The Arkansas Department of Environmental Quality has classified all lakes within Arkansas into five classifications called lake "Types" (A-E); however, reference water quality characteristics of these lake types...

The Mississippi Delta Management Systems Evaluation Areas (MDMSEA) Project began in 1995 with two purposes: 1) to assess how agricultural activities affect water quality; and 2) to evaluate Best Management Practices (BMPs) that mitigate agricultural nonpoint source pollution. The project is located in the northwestern portion of Mississippi, an area of intense agriculture referred to as the...