• Sewer and combined sewer overflows and flooding

  • Monitoring and recording information around CSO/SSO events

  • Reducing the impact of overflow and flood events on public health

  • Minimizing environmental impacts caused by sewer overflows

  • Providing accurate data to meet regulatory requirements


Wireless CSO/SSO Monitoring, Alarming and Reporting Made Simple. Trimble Unity software combined with Telog wireless, battery-powered CSO/SSO monitoring recording telemetry units (RTUs) provide a GIS-centric cloud and mobile platform for monitoring, alarming and reporting CSO/SSO and flood events. Telog RTUs are intended for use in harsh environments such as inside sewer manholes. Multiple alarm levels can be configured to provide immediate notification of surcharge events. Telog RTUs can store data internally for many months, if required, and wirelessly transmit on a defined schedule or in response to alarms, delivering advance warning of overflows, blockages and a powerful solution to manage and reduce CSOs, SSOs and flooding incidents.


Monitor and Reduce Overflows (CSOs/SSOs) and Flooding, Protecting Public Health and the Environment

Streamline environmental and regulatory reporting
Reduce response time to overflows and flooding incidents
Real-time situational awareness on wastewater and stormwater operations
Minimize CSOs/SSOs, flooding and environmental impacts


Recording Telemetry Unit (RTU)
Telog Ru-35
(pictured here, antenna required)
Telog Ru-32mA (antenna required)
Telog PE-41
Telog WL-41

Telog Ultrasonic level
Pressure level
Float switch


Case Study
Application Solutions

Three configurations for wireless CSO/SSO monitoring & reporting


Real-time flow monitoring achieved for less money in Newtown Bucks County

Cellular data transfer is the ticket for successful pump station monitoring in Suffolk

City of Baltimore uses Telog recorders to monitor hundreds of sewer flow sites

New management platform helps Louisville utility with environmental data integration

How to survive a consent decree flow monitoring program