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Heavy Industrial

Heavy industrial construction is at the heart of what we do. With decades of experience, our team delivers safe, precise, and high-performance solutions for complex projects—from municipal and wastewater treatment facilities to large-scale ethanol plants. This deep-rooted expertise has made us a trusted partner in the industry, known for executing demanding projects with confidence, care, and consistency.

Having worked with many different contractors throughout the county, I have found the people at Plocher Construction to be some of the most dedicated and qualified.

Howard Concrete Pumping Co

Frank Howard III

Featured Projects

Heavy Industrial

MSD Lower Meramec WWF Improvements

As part of Metropolitan St. Louis Sewer District’s (MSD) Project Clear initiative, the Lower Meramec Wastewater Treatment Facility is undergoing a major $117 million expansion and upgrade. Located at 7849 Fine Road, the improvements are designed to eliminate the Fenton Wastewater Treatment Facility and significantly enhance water quality in the…

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Ameren Sioux CCR ELG
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Coffeen East Fork Shoal Creek Pump Station & Gate Structure
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Decatur West Headworks Improvements
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Highland Water Reclamation Facility Improvements
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ILAMW Central Operations Center – Godfrey-Alton
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ILAWM Cairo WTP
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Jacksonville WWTP
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MSD Coldwater Creek Repairs
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MSD Gravois Trunk Sanitary Storage Facility
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PSGC Stamler Coal Feeder Retaining Wall
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Salem Waste Water Treatment Plant – Salem, Illinois
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South Beardstown Pump Station
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Spring Creek WWTP – Phase 3
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Sugar Creek CSO Improvements 2
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Sugar Creek CSO Improvements
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Taylorville Sanitary CSO Improvements
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Taylorville Water Treatment Plant
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Terre Haute Dewatering Centrifuge Relocation
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Terre Haute WWTP Additions & Improvements Phase 2
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Metropolitan STL Sewer District – Lower Meramec Wastewater Treatment Facility

Safety First. Always.

At Plocher Construction, safety isn’t just a policy—it’s a core value. Our safety manager works closely with our highly trained and empowered field teams to maintain an industry-leading safety record. We believe that every worker deserves to go home safe, and our commitment to providing an uncompromisingly safe work environment is rooted in our responsibility to our employees and their families. Our exceptional safety performance is reflected in our consistently low Experience Modification Rate (EMR).

Proactive Risk Management

We identify potential hazards before they become problems. Site inspections, hazard analyses, and safety meetings help protect our people and projects.

Ongoing Training & Certification

From OSHA standards to specialized equipment operation, our teams undergo continual safety training to stay sharp, compliant, and confident in every work zone.

Data-Driven Safety Performance

We track key safety metrics—including our top-tier EMR—to reduce incidents, lower risk, and ensure peace of mind on every job.

A Look at Our Evolving Project Capabilities

Plocher Construction has expanded its services since the launch of the company in the early 1990s. Creating a more diverse range of available services, these current projects exhibit the different skills and capabilities of our team members.

Recent Projects