The Annual Report describes storm water pollution control activities implemented by Michigan Department of Transportation (MDOT) over the past reporting period of July 1, 2003 to December 31, 2004 to comply with reporting requirements described in the National Pollutant Discharge Elimination System (NPDES) Permit. This Permit was issued by Michigan Department of Environmental Quality (MDEQ) to the MDOT for MDOT-operated separate storm water drainage systems throughout the State of Michigan, effective April 1, 2004.