St. Louis

At RJN Group, we proudly serve the St. Louis area with specialized civil engineering services for water, wastewater, and stormwater systems. From comprehensive asset management to advanced flow monitoring and I/I analysis, we help local municipalities and utility owners enhance the efficiency and sustainability of their water infrastructure. Our local experts in St. Louis are equipped with industry-leading tools like our Clarity® platform, providing real-time data to streamline decision-making and improve system performance.

Contact our St. Louis office today for tailored engineering solutions designed to meet the unique needs of the Missouri water systems.

We are experts in all things water

• Wastewater
• Stormwater
• Clean Water
• Inflow and Infiltration
• Flow Monitoring
• Field Condition Inspections
• Asset Management