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​Stormwater Management

Rain and melting snow wash dirt and chemicals off impervious surfaces, such as roads and parking lots, into streams and lakes. Impervious surfaces prevent rain and snow-melt from infiltrating into the ground, resulting in stormwater runoff that flows more quickly into waterways. Pollutants and increased flow can impair water quality and increase erosion, harming aquatic ecosystems.

The Oregon Department of Transportation’s stormwater program is dedicated to protecting water resources from the 
impacts of highway runoff. ODOT and resource agencies work together to develop consistent, effective and 
practical  stormwater management requirements. The stormwater program provides technical assistance to highway 
project teams as they select and design stormwater management facilities.

Contact the Stormwater Program