Environmental Effects of Deicing Salt on Water Quality in the Twin Cities Metropolitan Area Status: CompleteReport Date: 09/16/2008 Summary: Using salt to deice roadways in winter plays an important role in providing for the driving safety of Minnesotans. The objective of this research was to learn more about what happens to sodium chloride, the primary chemical used for deicing purposes, after the road salt has completed its job of providing safer winter roadways. Final Deliverables: Report #2008-42 Research Summary Related Materials: Related Research: INV 965: Study of De-icing Salt Accumulation and Transport Through A Watershed