Johnston Co. 210 WWTF

Value: $69,827,385
Started: 2022
Completed: 2024
Location: Smithfield, NC
Owner: Johnston County, NC
Engineer: Hazen and Sawyer

Project Description

New 4.0 MGD average flow wastewater treatment facility consisting of the following: New preliminary treatment facility; New preliminary effluent distribution box; New BNR basins with fine bubble diffusers, mixers, nitrified recycle pumps, waste activated sludge pumps, and process drain pumps; New blower building; New secondary clarifiers; New recycle activated sludge pump station; New chemical storage and feed facility; New drain pump station; New disk filters; New sodium hypochlorite facility; New effluent pump station; New cascade aerator; New maintenance building; New administration building