Call Now
Website
Call
Business Details
50+ Years
experience
Award-Winning Engineering Services for Water Infrastructure Solutions
Commonwealth Engineers has been a trusted leader in civil and environmental engineering since 1974, delivering innovative solutions for water infrastructure challenges. Our team of licensed engineers, scientists, and regulatory experts specializes in wastewater, potable water, stormwater, dams, and levees, serving municipalities and private clients across Indiana and beyond. With over 50 years of experience, we combine technical expertise with a client-focused approach to address infrastructure needs, regulatory compliance, and sustainable development.

Our commitment to excellence is reflected in our award-winning projects, including the 2025 PSMJ Resources Circle of Excellence recognition and the Half-Century Business Award. We provide end-to-end support from planning and design to construction oversight, ensuring projects meet technical, financial, and environmental standards while prioritizing community well-being.
Services
Wastewater Treatment Potable Water Systems Stormwater Management Dam Rehabilitation Civil Engineering
Details
  • Year established: 1974
Highlights and features
  • Over 50 years of specialized experience in water resource engineering.
  • Multidisciplinary team of licensed engineers and environmental experts.
  • Holistic approach integrating technical, regulatory, and financial considerations.
  • Award-winning track record in municipal and industrial infrastructure projects.
  • End-to-end project support from planning to construction completion.
Associations and certifications
  • PSMJ Resources Circle of Excellence
  • Half-Century Business Awards
What people say
Award-winning expertise 50+ years experience Client-focused solutions Technical excellence Regulatory compliance specialists
Services
Wastewater Treatment
Our wastewater treatment solutions address collection, treatment, and regulatory compliance for municipal and industrial clients. We specialize in system upgrades, inflow/infiltration studies, and NPDES permit compliance. Our engineers design cost-effective, sustainable systems that enhance public health and environmental protection through advanced technologies like BNR processes and UV disinfection.
Potable Water Systems
We deliver comprehensive potable water solutions from source development to distribution. Our services include treatment plant design, SCADA system integration, and hydraulic modeling. We ensure safe, reliable water supply through infrastructure upgrades, storage tank installations, and compliance with EPA standards for communities of all sizes.
Stormwater Management
Our stormwater management expertise includes watershed planning, MS4 compliance, and green infrastructure solutions. We design detention basins, conveyance systems, and erosion control measures to mitigate flooding while protecting water quality. Our team balances environmental stewardship with cost-effective flood risk reduction strategies.
Dam Rehabilitation
We provide full lifecycle dam and levee services including safety inspections, emergency action plans, and structural rehabilitation. Our engineers use advanced hydrologic modeling and risk assessment tools to extend infrastructure lifespan while ensuring public safety and regulatory compliance with state and federal agencies.
Civil Engineering
Our civil engineering services cover transportation projects, site development, and utility infrastructure. We specialize in roadway design, INDOT projects, and multi-use trail systems that enhance community connectivity. Our team coordinates with agencies to secure permits and deliver code-compliant, future-ready infrastructure solutions.
People
Albert Stong
President, Senior Project Manager
With over 25 years at Commonwealth, Albert leads wastewater treatment plant design and construction projects, leveraging expertise in regulatory compliance and system optimization for municipal clients.
Toby Church
Vice President, Senior Project Manager
A 30-year water resources veteran, Toby specializes in electrical systems design and control solutions for water infrastructure projects, combining engineering rigor with practical client-focused approaches.
Robert Bellucci
Vice President, Senior Project Manager
Robert manages wastewater and drinking water projects with 30 years of experience in regulatory compliance and construction oversight, ensuring seamless execution of complex infrastructure initiatives.
Theresa Criss-Hartwig
Chief Business Development & Marketing Officer
Theresa directs statewide business development and grant administration, helping communities secure over $150M in infrastructure funding while serving as strategic client liaison.
Darren Wells
Senior Project Manager
With 26 years in water infrastructure, Darren oversees engineering standards and technical operations, holding multiple state licenses and certifications in environmental and sustainability engineering.
Questions
What engineering services does Commonwealth Engineers specialize in?
We specialize in wastewater treatment, potable water systems, stormwater management, dam rehabilitation, and civil infrastructure projects.
How long has Commonwealth Engineers been in business?
We've provided engineering solutions since 1974, with many team members having decades of industry experience.
What project delivery methods do you recommend?
We offer Design-Bid-Build, CMAR, and Design-Build approaches tailored to each project's specific requirements and funding structure.
Do you assist with infrastructure funding applications?
Yes, our team has secured over $150M in grants and low-interest loans for municipal clients through state and federal programs.
Are your engineers licensed in multiple states?
Our professionals hold licenses in Indiana, Kentucky, Illinois, Ohio, Wisconsin, and Michigan for comprehensive regional service.
How do you handle regulatory compliance for water projects?
We maintain NPDES compliance expertise and coordinate with IDEM and other agencies to ensure all environmental regulations are met.
Videos