Quarterly Stormwater Monitoring Deadline Approaching School is back in session, and we already have some homework due. The cutoff date for quarterly stormwater visual monitoring for Q3 is September 30. With limited rain events on the horizon, these last few weeks are...
NYSDEC Issues Updated Stormwater Management Design Manual On July 31, 2024, the New York State Department of Environmental Conservation (NYSDEC) issued an updated Stormwater Management Design Manual. The manual outlines standards to be used by environmental...
Petroleum Compounds Added to New York’s Soil Vapor/Indoor Air Decision Matrices Earlier this year, the New York State Department of Health (NYSDOH) assigned 13 volatile petroleum compounds to three new Soil Vapor/Indoor Air Decision Matrices, which are a companion to...
Understanding Air Quality Advisories After a brief period of unseasonably dry weather and below-average temperatures this month, less pleasant conditions have returned for the last week of August. While many may be focused on the elevated temperatures and higher...
Reducing PFAS in the Metal-Finishing Industry What Are PFAS? Perfluoroalkyl and polyfluoroalkyl substances (PFAS) are a class of manufactured chemicals invented in the 1930s. One of the first known examples was the invention of non-stick cookware by DuPont in 1946...
NYSDEC Releases CP-51 Policy Revisions; Public Comments Accepted Until September 26 6 NYCRR Part 375 and Soil Cleanup Objectives The 6 NYCRR Part 375 regulations, titled “Environmental Remediation Programs,” are administered by the New York State Department of...
New York Releases Draft SPDES Construction General Permit (GP-0-25-001) for Public Comment The State Pollutant Discharge Elimination System (SPDES) is a permit program instituted by the New York State Department of Environmental Conservation (DEC) to regulate...
Your Guide to Stormwater Management and General Permits, Part 3 Do you need help figuring out how stormwater regulations apply to your operation? Walden’s stormwater team can help you make sense of the requirements! In recent weeks, we’ve posted Parts 1 and 2 in this...
Using DEC’s Harmful Algal Bloom Reporting System Algae is an aquatic, photosynthetic organism that ranges in size from single-celled microalgae to large seaweeds. An algal bloom is a swift increase in the prevalence of algae in a body of water. In most cases,...
Your Guide to Stormwater Management and General Permits, Part 2 The National Pollutant Discharge Elimination System (NPDES) permit program was created over 50 years ago to regulate stormwater runoff. The overarching goal of this program is to prevent dangerous...
