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Pima County
Digester & centrifuge sludge feed tank cleaning services on an as required basis.
Lexington-Fayette Urban County Government
Provide wwtp tank cleaning & sludge disposal.
City of St. Petersburg
Seeking the services of a qualified architectural/engineering firm to provide architect-engineer services for southwest water reclamation facility digester 3 and waste activated sludge holding tank.
City of Waycross
Work shall consist of cleaning accumulated sludge, grit, and sand from a 60-ft diameter digester.
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Oct 15, 2025
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Nov 13, 2025