Dec. 7, 2007
King County wastewater system resuming normal operations after extreme rain
King County's wastewater treatment system is again resuming normal
operation four days after a severe storm brought torrential rain that
battered regional sewer and stormwater facilities.
county's South Treatment Plant in Renton recorded its highest flow ever
on Monday, treating 241 million gallons of wastewater in a 24-hour
period. The plant usually treats about 115 million gallons a day during
West Point Treatment Plant in
Magnolia far exceeded its maximum design capacity of 440 million
gallons a day, recording a peak flow of 475 million gallons. The plant,
which handles both stormwater and wastewater for much of Seattle,
normally treats about 133 million gallons of wastewater on an average
After the storm, sewer utility crews
responded to stormwater and wastewater overflows in Seattle's Myrtle
Edwards Park, Shoreline's Hidden Lake neighborhood, and in Renton just
south of Kennydale, which occurred when sewer pipes were overwhelmed by
extreme high flows after more than 4 inches of rain pummeled the area
in just 24 hours.
Crews also responded to overflows in Kenmore, Bothell, Kirkland, and Juanita.
protect public health, King County posted beaches and affected areas as
closed, took water samples, and told health and regulatory agencies
about the overflows.
The county's Wastewater
Treatment Division protects public health and water quality by serving
17 cities, 17 local sewer utilities and more than 1.4 million residents
in King, Snohomish and Pierce counties. Formerly called Metro, the
regional clean-water agency now operated by King County has been
preventing water pollution for more than 40 years.