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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.



Hydrogen—The Hot New Energy Source

In light of ever-increasing energy costs, consumers continue to look for alternative sources of power to meet energy demands. For many, the first things that probably come to mind when considering “green energy” are solar and wind power, or perhaps converting to an...

New Bulkhead Permit for Long Island Residents

The New York State Department of Environmental Conservation (NYSDEC) has recently released a new General Permit (GP-1-22-001), effective 10/25/2022, for Tidal Wetland Bulkhead Replacement with Dredging. The permit is available for use in Nassau and Suffolk Counties,...

Controlling Harmful Algal Blooms

Lakes, ponds, and reservoirs are susceptible to unfavorable algae blooms. Algae thrive in warm stagnant water with excess nutrients, often resulting in algae blooms spreading rapidly in the summer. While some algae are harmless, several species can be harmful to...

PSEG Long Island Develops Plan to Meet New York State Goals

In 2019, New York State (NYS) passed the Climate Leadership and Community Protection Act, known as CLCPA or the Climate Act, which aims to reduce greenhouse gas (GHG) emissions drastically. Under the Climate Act, GHG emissions will be reduced 40 and 85 percent by 2030...