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33 Years
experience
Water and Energy Systems Engineering Solutions
Established in 1993, H2O'C Engineering is a fully independent engineering firm specializing in water and energy systems analysis, design, and optimization. Our team consists of internationally recognized leaders in water quality engineering, including Dr. John O'Connor and Tom O'Connor, both licensed Professional Engineers who have authored significant publications in environmental science journals. We provide comprehensive engineering reports, pilot plant evaluations, and troubleshooting services for municipal water and wastewater treatment facilities, with specialized expertise in water chemistry, microbiology, and solar energy systems. Our approach combines decades of hands-on experience with scientific rigor to deliver efficient, cost-effective solutions tailored to each client's unique challenges. We maintain independent laboratory facilities to conduct field-based pilot studies, ensuring our recommendations are grounded in real-world data.

The firm's reputation is built on decades of honest work and strong relationships across the utility industry, reflected in our extensive project portfolio addressing complex treatment issues and regulatory compliance. We offer operator training and technical guidance to utilities, municipalities, and environmental agencies nationwide. Our commitment to simplicity and transparency ensures clients receive practical solutions without unnecessary complications. While our engineering reports include rigorous data analysis, we prioritize clear communication to help clients make informed decisions. As advocates for sustainable practices, we integrate life-cycle cost analysis and environmental impact considerations into all our projects.
Services
Engineering Reports Water Treatment Design Solar System Design Pilot Plant Evaluation Process Optimization Regulatory Compliance Operator Training Technical Consulting Laboratory Analysis Project Management
Details
  • Year established: 1993
Highlights and features
  • We have over 25 years of experience in water treatment engineering
  • Our engineers have authored industry-standard publications on water quality
  • We maintain independent laboratory facilities for real-world pilot studies
  • Our solutions prioritize cost-effectiveness and regulatory compliance
  • We provide technical training to water utility professionals nationwide
What people say
Proven expertise Technical excellence Cost-effective solutions Scientific approach Industry leaders
Services
Water Treatment Engineering
We conduct comprehensive analysis and design of water treatment systems, addressing challenges like arsenic removal, iron bacteria control, and disinfection byproduct compliance. Our engineers apply advanced water chemistry knowledge to optimize filtration processes and chemical treatment protocols. Specialized services include pilot plant testing, process validation, and regulatory compliance strategies tailored to municipal systems.
Solar Energy Systems
Our solar engineering services include system design optimization, cost-benefit analysis, and integration with existing power infrastructure. We provide technical evaluations of solar viability, including spatial considerations, energy output projections, and financial incentives like tax credits and utility rebates to maximize client ROI.
Process Optimization
We identify efficiency improvements for water treatment plants through detailed process evaluations, addressing issues like filter performance, chemical dosing optimization, and energy consumption reductions. Our approach combines field testing with data analysis to implement practical, cost-effective solutions.
Regulatory Compliance
We assist utilities in meeting environmental regulations through tailored compliance strategies, including Disinfection Byproducts Rule adherence and wastewater discharge permitting. Our services cover vulnerability assessments, documentation preparation, and implementation of required treatment modifications.
Operator Training
We deliver customized training programs for water and wastewater operators covering process optimization, equipment maintenance, and regulatory compliance. Our training combines theoretical knowledge with practical applications to enhance operational effectiveness and system reliability.
People
Dr. John O'Connor
Principal Engineer
Internationally recognized water treatment expert with over 30 years of experience, former Civil Engineering Department Chair at University of Missouri-Columbia, and co-author of Wiley & Sons' Water Treatment reference book
Tom O'Connor
Principal Engineer
Licensed Professional Engineer with specialized expertise in water chemistry and microbiology, extensive experience in solar energy systems integration and regulatory compliance for municipal utilities
Questions
What engineering services do you specialize in?
We focus on water and wastewater treatment systems analysis, solar energy engineering, process optimization, regulatory compliance, and technical consulting for municipal utilities.
What makes your solar system analysis unique?
Our technical evaluation includes life-cycle cost analysis, spatial optimization, and integration with existing power systems to maximize ROI and energy efficiency.
Do you provide services outside Missouri?
Yes, we serve clients across multiple states including Illinois, Kentucky, Minnesota, and Arkansas for both water treatment and energy projects.
How do you handle complex regulatory requirements?
With decades of experience in environmental compliance, we help clients navigate federal and state regulations through customized technical solutions and documentation.
What training programs do you offer?
We provide operator training on water treatment processes, equipment optimization, and regulatory compliance tailored to specific municipal needs.
Can you help with water chemistry issues?
Our specialized laboratory conducts water chemistry and microbiology analyses to address complex treatment challenges like arsenic removal and nitrification control.