St. Louis

RJN Group’s St. Louis office serves as a vital hub for our Midwest operations, providing data analysis, GIS support, and responsive service across the region. Our team specializes in flow monitoring, hydraulic analysis, and sewer system evaluation surveys (SSES), delivering data-driven insights to help municipalities manage and improve their infrastructure. We work closely with local governments to develop customized solutions for asset management, capital planning, and master planning, always leveraging the latest technologies like in-pipe MSI tools and advanced hydraulic modeling. Whether addressing aging infrastructure or designing systems for new growth, we focus on delivering sustainable, reliable solutions that honor St. Louis’ history while planning for its future. With a strong commitment to being stewards of community assets, we take pride in delivering high-quality, technically precise services tailored to the unique needs of each municipality.

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