Walden works with Harkin Aerial to complete several MS4 studies to find illicit discharges using drones

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

Attention MS4’s: Plan Ahead for the June 1st Annual Report Deadline

As the new year begins, it’s that time again for municipalities to prepare the NYSDEC Municipal Separate Storm Sewer System (MS4) annual reports to meet the State’s June 1st deadline! This reporting requirement applies to municipalities covered by NYSDEC’s General Permit for Stormwater Discharges from Municipal Separate Storm Sewer Systems (GP-0-15-003).  Municipalities that are subject… Read More

Using Aerial Thermography to Spot Water Quality Issues, Leaks, and Other Discrepancies

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

Top 10 List: New York State Department of Environmental Conservation Regulatory Agenda for 2021

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

Paused: EPA Lead and Copper Rule Revisions

The Environmental Protection Agency (EPA) recently published the final regulatory revisions to the Lead and Copper Rule (LCR) in the Federal Register, but the new Biden Administration has placed a ‘pause’ on this new rule as they review its content and benefits. This National Primary Drinking Water Regulation (NPDWR) for lead and copper falls under… Read More

Annual Hazardous Waste Reports Due March 1st

It’s that time of year again to submit your Annual Hazardous Waste Report to the New York State Department of Conservation (NYSDEC). Each calendar year, a Hazardous Waste Report must be submitted by Large Quantity Generators (LQGs) and treatment, storage and/or disposal facilities in New York State. Who needs to file? Generators of hazardous wastes… Read More