Research and Development

Research and Development

Walden’s ongoing Research and Development efforts focus on the investigation and improvement of a diverse suite of environmental concerns, including surface water pollution, wastewater treatment, energy efficiency, energy recovery as well as renewable energy applications for many municipalities and industries. Walden’s scientists and engineers evaluate the challenges to be addressed, conduct detailed investigations, and develop unique and sustainable measures that contribute towards the improvement of environmental quality and the financial bottom line.

Walden’s current Research and Development Efforts include the following areas:


MS4 Illicit Discharge Detection Investigation using Thermal Imaging UAVs

Walden is working to assist MS4 communities to improve storm water quality by using thermal imaging from drones to efficiently identify sources of potential pollution. Read more

Renewable Energy Production and Storage Review and Feasibility Study at Wastewater Treatment Plant

Walden investigated the feasibility of utilizing solar energy and energy storage technology at a Wastewater Treatment Plant (WWTP) to reduce costs to ratepayers. Read more

Remote Real-time Environmental Monitoring at Construction Sites

A Walden engineer worked on the implementation of Internet of Things (IoT) pilot studies for environmental monitoring, sensor array installation and data analysis. Read more

Energy Audits of Water/Wastewater Treatment Facilities

Energy audits of water/wastewater treatment facilities are conducted with a goal to improve the efficiency of energy consumption by these facilities and reduce or mitigate greenhouse gas emissions. Read more