New York State’s new process for large-scale renewables siting and permitting, the Section 94-c process, has finally been issued by the Office of Renewable Energy Siting (ORES) and became effective on March 3, 2021. The draft regulations were issued on September 16, 2020 and were open to public comment until December 7, 2020. The State… Read More

Despite the challenges and uncertainty that 2020 brought to many industries and businesses across the country, Walden’s staff members were hard at work developing their skills and furthering their knowledge.  Walden is committed to professional development, with the ultimate goal of broadening the services we provide to the firm’s clients. Two of Walden’s environmental scientists,… Read More

Walden Environmental Engineering, in partnership with Harkin Aerial, has completed a recent project funded by the Nassau County Soil and Water Conservation District to improve the waterways of Nassau County through their 2020 grant and assistance programs. In January 2021, members of the project team, including Walden, Harkin Aerial, and the Cornell Cooperative Extension of… Read More

Recent developments in drone thermal imaging have proven to be especially effective at identifying water quality issues. Walden and Harkin have undertaken multiple case studies which show, under proper conditions, that many illicit discharges (sources of potential pollution) produce a measurable change in temperature that can be seen with a thermal drone. By flying in… Read More

Will It Affect You? The New York State Department of Environmental Conservation (NYSDEC) recently published its 2021 Regulatory Agenda to the State register. Walden has reviewed and summarized the proposed regulatory updates, so you don’t have to. In total, NYSDEC is proposing to amend or adopt over 90 different regulations spread across 12 different offices… Read More

Facilities that are classified as “major facilities” per 6 NYCRR 201-2.1 (Subpart 201-2) are subject to Title V permit requirements. Under 6 NYCRR 202-2 (Subpart 202-2), all facilities must provide an annual emissions statement, which is a quantitative summary of air contaminants emitted. Some examples of characteristics that require facilities to acquire a Title V… Read More

Why have drones increased in demand and usage in such a short timespan? The reasons are many, but in this guide, we’ll focus on a specific use case: How Walden Environmental Engineering and Harkin Aerial have developed ways to use drones to improve water quality, map water infrastructure, and detect/locate issues in drinking water and… Read More

The U.S. Army Corps of Engineers (USACE) recently proposed to reissue its Nationwide Permits (NWPs), with modifications to the NWP general conditions and definitions, and adoption of several new NWPs. Those planning to undertake activities that will disturb wetlands or waterways are often required to obtain a Nationwide Permit from the USACE, depending on project… Read More

The United States Environmental Protection Agency (EPA) recently released a draft National Recycling Strategy.  The strategy has been drafted to provide goals and a framework to identify recycling processes and drivers, as well as potential opportunities and challenges facing the recycling system in the United States. The draft strategy progresses the EPA’s 2019 National Framework… Read More

Your Guide to UAVs in Environmental Engineering Unmanned Aerial Vehicles (UAVs, also known as drones) can be a helpful tool for many companies, government agencies and other organizations. They may be considered cutting-edge technology, but their use has been around for longer than most might realize. Use of small drones in the commercial space formally… Read More