Primary clarifier tanks sit at the Cedar Rapids Water Pollution Control Facility in Cedar Rapids on Nov. 4. The clarifier tanks allow large items in the water to settle at the bottom of the tank while ...

Multi-year improvement project modernizes clarifiers and activated sludge tanks to support long-term operational performance.

AJ Axtell, Western Lake Superior Sanitary District director of community relations, talks Wednesday while standing outside of the secondary clarifier unit that recently failed. The extent of the ...

An aerial view of the WLSSD and its four secondary clarifiers in the foreground Nov. 16. The one that failed is farthest from the camera. The facility needs at least three secondary clarifiers to ...

#2023-33 Multi-Prime Advance Wastewater Treatment Plant (AWWTP) South Primary Clarifier Upgrades Project CITY OF LANCASTER, PA The City of Lancaster, PA will receive bids online for the AWWTP South ...