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Elimination of sludge, odors at wastewater plant being eyed

Sunnyside Port District engineers are in the preliminary stages of finding new ways to handle the disposal of lagoon sludge incurred during the treatment of industrial wastewater from its Midvale Road treatment facility.

Recently, the Port began discussions with Natural Selections Farms for handling sludge for recycling as compost materials or land use applications.

"As yet, we are in the very infancy of these discussions," said Port Engineer Bob Farrell.

"We are just looking at ways to remove the sludge, as well as the odors resulting from the treatment process," Farrell said.

He said the Port is seeking to remove the extra sludge generated each spring when the treatment process stirs up the lagoons.

"Removing the additional sludge helps to eliminate some of the odor resulting from the aeration process," he explained.

"We are in the early discussion stage at this point," he stressed.

Any future decisions about the removal of the sludge for land use or compost materials will depend on analysis of the materials' suitability for such uses, he added.

"We are just seeking ways to continue to be good neighbors while researching new methods for protecting our ecosystem," Farrell explained.

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