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Why be concerned about stormwater?

Stormwater is rain that runs off of streets, roofs, and other hard surfaces that do not allow the water to infiltrate into the ground.  It can pick up pollutants, such as metals, bacteria, and sediment, as it flows off these surfaces.  Stormwater pollutants can cause problems in our surface waters, making unhealthy habitats for fish and unhealthy areas to swim. These same pollutants can also reach our groundwater, potentially threatening the City drinking water supply.

For these reasons, the City takes a serious approach to properly managing stormwater.  If you are a business or land owner and you have stormwater facilities onsite, please review our guidance information for proper maintenance.  If you need some technical assistance, we would be happy to come out to assist you.

Stormwater Utility

The Stormwater Utility protects water quality, reduces harm to aquatic habitat, and minimizes flooding in the City.  The City has outlined a comprehensive approach to the overall management of stormwater in the 2002 Comprehensive Stormwater Implementation Plan, and looks toward long-term goals emphasizing prevention, community participation, and resource conservation.

Stormwater Plans & Program Guidance

NPDES Permit Program

Deschutes TMDL Report

Surface Waters

Storm Drains

Stormwater Program & NPDES Updates


Contact Water Resources staff at (360) 754-4140 or visit us at Tumwater City Hall, Public Works counter (basement), 555 Israel Road SW, Tumwater, WA (map).