Just in from King County Wastewater Treatment Division:
Employees from King County’s clean-water utility are working to control an overflow of treated wastewater from a manhole at the intersection of West Marginal Way S.W. and S.W. Front Street.
The incident began late this morning after a contractor unbolted a manhole cover, causing a currently undetermined volume of treated wastewater from the South Treatment Plant in Renton to overflow into the intersection and a nearby parking lot. The treated wastewater is being pumped from the plant for discharge into Puget Sound through a mile-long outfall off of Duwamish Head.
For the flows to subside, the treated effluent in the system has to fully drain. Until this occurs, operations staff will hold flows in storage at the plant. Once the flows normalize, crews can safely enter the area to begin needed repair work.
This is close to the Highland Park Way/West Marginal Way intersection – here’s a map.
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