Engineering and EHS Consulting Services
Proven experience solving complex
environmental challenges
Featured Service
Featured Project
Blog
Contact Us
ENVIRONMENTAL CONSULTING TAILORED TO MEET YOUR NEEDS
Walden Environmental Engineering’s highly experienced team of engineers, geologists and hydrogeologists are fully committed to solving your environmental challenges. In fact, our list of environmental consulting services continues to grow as we continuously explore new ways to help our clients achieve and maintain regulatory compliance.
From early concept design and grant writing to emergency response and lab testing, we’re dedicated to meeting our clients’ needs. Because we understand how much is at stake, we’re willing to do whatever it takes.
Learn how our core values of innovation, collaboration and responsiveness can help you on your next project.
FEATURED GUIDE
A Guide to PFAS Reporting Requirements
In this guide, we explain what PFAS are, why they are in the news, and recent legislation requiring companies to...
FROM THE BLOG
Annual/Biennial Hazardous Waste Reports Due March 1, 2026
Certain hazardous waste generating facilities operating in New York State are required to file Annual Hazardous Waste Reports with the New York State Department of Environmental Conservation (NYSDEC) by March 1 each year in accord with the Resource Conservation and...
Part 253: DEC Finalizes Program for Climate Pollution Sources Tracking
On December 1, 2025, the New York State Department of Environmental Conservation (DEC) issued its final ruling for Part 253 (Mandatory Greenhouse Gas Reporting), which enacts the state’s new greenhouse gas (GHG) reporting program. These regulations were established to...
Current Safety Data Sheets (SDSs) Required at Facilities That Store Hazardous Substances
Annual Right-to-Know Tier II Reports As the March 1 deadline to file annual Right-to-Know (RTK) Tier II Reports is approaching, now is a good time for businesses and facilities that handle and store chemicals/hazardous substances to ensure that Safety Data Sheets...
General Permit for the Discharge of Dewatering and Remediation Wastewaters
The Commissioner of the Connecticut Department of Energy and Environmental Protection (DEEP) issued a Notice of Tentative Determination on December 24, 2025, indicating the agency’s intent to renew the General Permit for the Discharge of Dewatering and Remediation...