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Business Details
33 Years
experience
Expert Water & Energy Engineering Solutions
Established in 1993, H2O'C Engineering has built a reputation as a leader in water and wastewater treatment solutions. Our team, including internationally recognized experts Dr. John O'Connor and Tom O'Connor, combines decades of academic and industry experience to deliver tailored engineering services. Specializing in water chemistry and microbiology, we operate specialized laboratory facilities to conduct pilot plant studies under real-world conditions. Our commitment to independent analysis ensures clients receive unbiased recommendations focused solely on their operational needs. We provide comprehensive services including system design, regulatory compliance, and operator training, supported by a scientific approach that drives innovative, cost-effective solutions. Our work with municipal utilities and private clients across the U.S. reflects our dedication to advancing sustainable water and energy systems.

Through technical publications and industry leadership, we maintain a legacy of excellence in environmental engineering. Our client-centric philosophy prioritizes simplicity and transparency, avoiding unnecessary complexity while delivering measurable value. With a proven track record addressing complex challenges, we continue to serve as trusted advisors to the water and wastewater industry.
Services
Engineering Reports System Design Pilot Studies Process Optimization Operator Training Regulatory Compliance Special Projects
Details
  • Year established: 1993
Highlights and features
  • We offer 30+ years of specialized expertise in water chemistry and microbiology
  • Our team includes internationally published leaders in environmental engineering
  • We maintain independent laboratory facilities for real-world pilot testing
  • Our client-focused approach avoids product-specific bias in recommendations
  • We provide comprehensive operator training programs developed by industry experts
Associations and certifications
  • Professional Engineers (PE)
Services
Water Treatment System Design
We engineer customized water treatment solutions using advanced chemical and microbiological analysis. Our designs optimize system efficiency while ensuring regulatory compliance. By conducting field-based pilot studies, we validate treatment processes under actual operating conditions to guarantee performance outcomes.
Pilot Plant Evaluation
Our mobile laboratory facilities enable on-site evaluation of emerging treatment technologies. This scientific approach quantifies process effectiveness through real-time data collection and analysis. Clients receive detailed reports documenting system performance under specific operational parameters.
Regulatory Compliance Analysis
We specialize in meeting environmental regulations through comprehensive system assessments. Our engineers identify compliance gaps and develop implementation strategies. Services include DBPR compliance, disinfection byproduct control, and residual management planning.
Operator Training Programs
Our industry-recognized training covers water chemistry, process optimization, and equipment operation. Programs combine classroom instruction with hands-on field demonstrations. We develop customized curricula addressing specific utility requirements and regulatory mandates.
Energy System Optimization
We enhance energy efficiency in water treatment operations through process analysis and equipment evaluation. Our solutions reduce carbon footprints while maintaining system performance. Services include photovoltaic net metering policies and energy consumption audits.
People
Dr. John T. O'Connor
Principal Engineer
Former Civil Engineering Department Chairman at University of Missouri-Columbia with 40+ years experience in water quality engineering. Co-author of award-winning publications and recognized expert in treatment process optimization.
Tom O'Connor
Principal Engineer
Licensed Professional Engineer with extensive expertise in wastewater treatment systems. Co-author of industry-standard reference materials and frequent presenter at national environmental engineering conferences.
Questions
What engineering services do you specialize in?
We focus on water and wastewater treatment system design, energy optimization, regulatory compliance, and operator training programs.
Do you work with municipal utilities only?
While we primarily serve municipal clients, we also assist industrial facilities and private entities with water treatment needs.
Can you help with regulatory compliance issues?
Yes, we specialize in meeting EPA standards including DBPR compliance, disinfection byproduct control, and residual management planning.
Do you provide on-site training for utility staff?
We offer customized operator training programs conducted at client facilities to address specific system requirements.
What makes your engineering approach unique?
Our scientific methodology combines laboratory analysis with field testing to validate treatment processes before implementation.