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The
Stormwater Division of the Public Works Department manages
and maintains the City's stormwater collection and conveyance
system. The natural drainage system consists of the Dogfish, Lemolo,
Johnson and Bjorgen Creek basins, as well as several other basins that
discharge directly to Liberty Bay. The collection and conveyance system consists
of approximately 19 miles of pipes, 4 miles of open drainage
ditches, 1,270 catch basins, and 51 discharge points.
Stormwater runoff rates are controlled by more than 40
detention facilities in numerous neighborhoods and at some commercial properties.
These facilities include limited localized treatment for stormwater quality,
but otherwise, stormwater is not treated. For more information about stormwater
quality click here. Inquiries should be directed to Public
Works, (360) 779-4078.
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