
Water & Wastewater Construction Since 1994
Full-service Union mechanical piping and plumbing contractor focused in water and wastewater infrastructure improvement.
Water & Wastewater Construction Services
Serving Arlington Heights and the surrounding Chicagoland community since 1965.
Dahme Mechanical is a trusted leader in water and wastewater infrastructure construction, providing innovative and sustainable solutions for both municipal and private entities. Through advanced water and wastewater maintenance, repair, and improvement techniques, our team helps clients solve today's challenges while supporting existing systems and building resilient facilities for the future.
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Facility Plumbing and Heating
We are dependable experts who have the skills to address a large array of commercial plumbing and commercial HVAC projects. Our experienced team delivers quality mechanical work for new construction, renovations, and facility upgrades across Northern Illinois and Northwest Indiana.
View ServicesSix-Year Average EMR
At Dahme Mechanical Industries, Inc., safety is at the core of everything we do. Over the past six years, we've maintained an impressive average EMR of just 0.825 — well below the industry standard. This consistent performance reflects our ongoing commitment to operating safe, well-organized job sites.
Our Projects
A selection of our recent municipal water and wastewater infrastructure projects.

Liquid Process Plant Improvements

Well No. 13 Water Treatment Plant

Raw Sewage Pump Valve Replacement

CHP No. 2 Installation — Design/Build

North Aurora Pumping Station Improvements

West Waterworks & PAS Improvements
What Our Customers Say
“DMI continually provides high quality mechanical work to ensure that our projects operate without issues and stay on schedule & budget.”
“Dahme's experience in working in wastewater treatment plants is second to none. Their understanding of maintaining relationships with their clients is what makes them stand out.”
“We have used Dahme Mechanical Industries for over 30 years. Dahme's management and crews are extremely knowledgeable in all aspects of piping work.”
“Kishwaukee Water Reclamation District has been leaning on Dahme Mechanical for our day-to-day and complicated mechanical piping and equipment needs for over a decade.”
Proud Affiliations







Union Locals



Ready to Start Your Project?
From water treatment plants to pump station upgrades, our team delivers infrastructure solutions on time and within budget.
