Minnesota River Assessment Project
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Minnesota River Assessment Project (MNRAP)A four-year comprehensive study was conducted on the Minnesota River Basin from 1989 to 1992 to evaluate the magnitude of and the manner in which pollution is entering the Minnesota River. The study documented frequent violations of water quality standards for bacteria, phosphorus, turbidity, and dissolved oxygen. Federal, state, and local agencies came together to conduct the Minnesota River Assessment Project (MNRAP). The study assessed the potential for, and identified areas of, nonpoint-source pollution. The study encompassed most of the Minnesota River drainage basin, focusing primarily on the mainstem and several major tributaries. The project set up a monitoring network from the Lac Qui Parle Reservoir to it confluence with the Mississippi River. These sites had physical, chemical, biological, and toxicological monitoring. The land use of the basin was also assessed through a study of some minor watersheds. The results of MNRAP were used as the basis of action plans and programs dealing with the improvement of the Minnesota River. Minnesota River Assessment Project Report, Executive Summary. Report to the Legislative Commission on Minnesota Resources. January 1994.
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