Downers Grove

Downers Grove, IL is home to RJN Group’s corporate headquarters and is the base of operations for our Midwest engineering efforts, delivering innovative solutions for municipal water, sewer, and stormwater systems. Our local team combines regional expertise with cutting-edge technology to address the unique challenges faced by Midwest utilities. We offer a comprehensive suite of services, including sanitary sewer evaluation surveys (SSES), engineering design, flow monitoring, hydraulic modeling, and asset management. With in-depth knowledge of Midwest infrastructure assessment and regulatory requirements, such as the Metropolitan Water Reclamation District of Greater Chicago LTOMP, IICP Reporting, PSP, and consent order- and administrative order-driven programs, we ensure compliance and efficiency in all project phases. By leveraging advanced tools like GIS-based data management platforms and AI-driven analytics, we provide cost-effective strategies that enhance system integrity, extend service life, and optimize performance. As stewards of community infrastructure, we work closely with municipalities to develop tailored capital improvement plans and master planning solutions. Our approach ensures that water and wastewater systems meet current demands and are prepared for future growth, supporting sustainable development across the Midwest's diverse urban and rural landscapes.

We are experts in:

• SSES
• Pressure pipe/pumping station assessment
• Force main and lift station assessment
• Engineering design
• Flow monitoring
• Hydraulic modeling
• Asset management
• Capital planning
• Master planning