Protecting communities and the environment through resilient infrastructure

Wastewater TREATMENT Construction

Protecting communities and the environment through resilient infrastructure

Wastewater TREATMENT Construction

Keeley Construction delivers innovative, cost-effective solutions for the construction, expansion, and rehabilitation of water and wastewater treatment facilities. With decades of experience supporting municipalities, utilities, and private industry, our team brings the expertise and coordination needed to deliver complex projects from the ground up. From excavation and structural concrete to process mechanical, piping, electrical, I&C, and SCADA integration, Keeley provides comprehensive construction capabilities under one team. Our full-service approach helps ensure quality, safety, schedule control, and seamless coordination across every phase of the project.

"Quality, Safety, and Service never go out of style."

Larry Keeley

Founder

Larry Keeley | Founder of Keeley Construction

Wastewater Treatment Service Line Offerings

Wastewater Treatment Service Line Offerings

Wastewater Treatment Facility Construction

Wastewater Treatment Facilities

Construction of secondary and tertiary treatment systems, including SBRs, MBRs, and activated sludge processes.

Wastewater Treatment Facility Construction

Headworks & Treatment

Installation of screening, grit removal, and flow equalization systems designed to maximize operational efficiency from the start.

Wastewater Treatment Facility Construction

Clarifiers & Aeration Basins

Construction of cast-in-place concrete tanks and installation of mechanical systems for settling and biological treatment.

Wastewater Treatment Facility Construction

Digesters & Biosolids Management

Installation of anaerobic digesters, sludge handling systems, and dewatering infrastructure that improve plant sustainability and reduce operational costs.

Wastewater Treatment Facility Construction

Odor Control Systems

Construction and integration of chemical and biological odor mitigation systems to ensure regulatory and community compliance.

Wastewater Treatment Facility Construction

Effluent Discharge & Outfall Systems

Design-build support for safe, efficient discharge infrastructure, including UV disinfection, outfalls, and effluent pumping systems.

underground & yard piping

Installation of underground utility networks and yard piping systems that connect treatment processes, structures, equipment, and supporting infrastructure.

process mechanical equipment

 & piping

Installation of process mechanical equipment and piping critical to treatment operations, including pumps, valves, and other essential systems.

electrical/ i&c upgrades

Installation and upgrades of electrical, instrumentation, and control systems that support reliable, efficient facility operations.

Self Perform Expertise

Keeley Construction delivers high-quality wastewater treatment facilities for municipal, industrial, and private clients. We self-perform key scopes like excavation, concrete, and piping to ensure safety, quality, and schedule control. From headworks to SCADA systems, our team builds reliable, compliant infrastructure with a strong focus on operational performance.

Our Self Perform Capabilities
Wastewater Treatment Facility Construction
Wastewater Treatment Facility Construction

Everybody gets home safely

We approach every wastewater treatment project with a relentless commitment to safety, quality workmanship, and operational excellence. Our crews follow strict safety protocols and proactive planning to protect every person on site — because ZERO Incidents isn’t just a goal, it’s our standard.

View our Safety Program

Wastewater Treatment Project Experience

You Deserve A Keeley'n

Contact our team to discuss your next water/wastewater project and construction needs!

Contact Us

cass mclaughlin

Business Development