Commissioned in early 2025, the expanded and upgraded West Wastewater Treatment Plant in Crest Hill, Illinois (USA), adds needed treatment capacity for the community and now meets State environmental guidelines. PENETRON ADMIX SB, a crystalline waterproofing admixture, was specified to protect the reinforced concrete structures of the plant's treatment tanks from chemical attack of the effluent.

ORLANDO, Fla., Aug. 28, 2025 /PRNewswire-PRWeb/ -- Commissioned in early 2025, the expanded and upgraded West Wastewater Treatment Plant in Crest Hill, Illinois (USA), adds needed treatment capacity for the community and now meets State environmental guidelines. PENETRON ADMIX SB, a crystalline waterproofing admixture, was specified to protect the reinforced concrete structures of the plant's treatment tanks from chemical attack of the effluent.

Located about 40 miles (65 km) southwest of Chicago and bordered by Joliet to the south, Crest Hill is a city of over 20,000, with a vibrant commercial district, distinctive neighborhoods, and expansive open spaces. A significant portion of the city's population resides at Carillon Lakes, a large senior living community, and Stateville Correctional Center of the Illinois Department of Corrections.

"Recently, Crest Hill completed a multi-million-dollar upgrade to its wastewater treatment plants and also joined the Joliet Water Commission to ensure a reliable supply of drinking water for the future," adds Patrick O'Brien, Western Region Sales Manager for Penetron USA. "The upgrade of the West Wastewater Treatment Plant was a central part of this infrastructure improvement program."

The $50.6 million project was designed by Strand Associates, the project engineer, and built by Vissering Construction, the general contractor.
The construction work and upgrades of the wastewater treatment plant in Crest Hill included:

•     Increasing wastewater treatment capacity from 1.9 million gallons per day (MGD) to 2.2 MGD, and expanding maximum flow capacity from 3 MGD to 5.5 MGD
•     New headworks complex with mechanically cleaned fine screening, influent flow metering, influent pumping, and primary clarification
•     New aeration tanks & two new final clarifiers; replacement of existing sand filters
•     New UV disinfection and post aeration systems
•     New Excess Flow Clarifier, liquid chlorine excess flow disinfection, and sodium bisulfite dechlorination
•     New blower building housing blowers, chemical phosphorus removal facility, and return activated sludge pumping
•     Converting the existing aeration tanks to aerobic digesters

"The durability of concrete structures in wastewater treatment plants is all about protecting the imbedded steel reinforcement from corrosion resulting from sulfate and chloride attack, cracking, and the general aggressive corrosive environment of the effluent and treatment chemicals," adds Patrick O'Brien. "Once PENETRON ADMIX SB is added to the concrete mix, the treated concrete structure is impermeable, even under the constant hydrostatic pressure of a wastewater treatment plant."

The Penetron Group is a leading manufacturer of specialty construction products for concrete waterproofing, concrete repairs, and floor preparation systems. The Group operates through a global network, offering support to the design and construction community through its regional offices, representatives, and distribution channels.

For more information on Penetron waterproofing solutions, please visit penetron(dot)com or Facebook(dot)com/ThePenetronGroup, email CRDept(at)penetron(dot)com or contact the Corporate Relations Department at 631-941-9700.

Media Contact

Corporate Relations, The Penetron Group, 631-941-9700, crdept@penetron.com, www.penetron.com

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SOURCE The Penetron Group