Keeley Construction delivers innovative, cost-effective solutions for the construction, expansion, and rehabilitation of wastewater treatment facilities. Our team brings decades of experience supporting municipalities, utilities, and private industry in building systems that protect public health, meet regulatory standards, and support long-term growth. With a deep understanding of treatment processes and infrastructure challenges, we’re committed to delivering high-performing, sustainable wastewater systems that stand the test of time.
"Quality, Safety, and Service never go out style."
Larry Keeley
Founder

Wastewater Treatment Facilities
Construction of secondary and tertiary treatment systems, including SBRs, MBRs, and activated sludge processes.
Headworks & Treatment
Installation of screening, grit removal, and flow equalization systems designed to maximize operational efficiency from the start.
Clarifiers & Aeration Basins
Construction of cast-in-place concrete tanks and installation of mechanical systems for settling and biological treatment.
Digesters & Biosolids Management
Installation of anaerobic digesters, sludge handling systems, and dewatering infrastructure that improve plant sustainability and reduce operational costs.
Odor Control Systems
Construction and integration of chemical and biological odor mitigation systems to ensure regulatory and community compliance.
Effluent Discharge & Outfall Systems
Design-build support for safe, efficient discharge infrastructure, including UV disinfection, outfalls, and effluent pumping systems.
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.
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.