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The South plant is a secondary treatment facility that uses an activated sludge process.

rsz_9009012752_f889876eae_zBiological secondary treatment aeration basins

View more photos on our Flickr site  .

Contact us

24 hour emergency and odor reporting:   206-263-1760
Administration:  206-263-1810

1200 Monster Road S.W.
Renton, WA 98057

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