Carollo is a water and wastewater industry leader in all aspects of instrumentation, control, and communication systems planning, design, and implementation. We have successfully designed hundreds of treatment facilities, each with an instrumentation and control system designed to optimize the operation of the facility. Our dedication to the water and wastewater industries gives us unparalleled expertise in applying instrumentation and control systems to solve water and wastewater operations challenges.

Our projects cover every aspect of water and wastewater control systems: telemetry, SCADA, distributed control systems (DCSs), PLC systems, PC-based computer systems, operator interface software, local area networks, information management systems, and the full range of physical and analytical instruments. Our clients have ranged from small municipalities to some of the largest utilities in the country. We have designed treatment plants ranging in size from less than 1 mgd to more than 600 mgd.