Over Three Decades

Defining an Industry

Our History

Welcome to Solid Ground

Over three decades of investigating, engineering, digging, drilling, building, recycling and innovating. During that time, Impact Environmental has become a full-service industry leader providing vertically integrated services that can transform the relics of the industrial revolution into the successes of the information age. Working with small businesses to Fortune 500‘s, we partner with real estate developers, architects, contractors, industrial entities, and government agencies on some of the largest private development, transportation, energy, and infrastructure construction projects in the Nation. We find solutions and provide strategy.


Humble Beginning

Rich Parrish starts the company working out of his parents’ garage on Long Island.


Leader in the Industry

Impact Environmental coins the industry term, “Environmental Site Assessment” to replace the commonly used "Environmental Audit” for property transfer studies.


Technological Hegemony

Impact Environmental secures Federal and State environmental and spill database for on-line sale to banks and engineering firms performing Phase I Environmental Site Assessments.


Changing Recycling

Impact Environmental obtains the first beneficial use determination issued in the State of New York to recycle contaminated soil for use in construction materials.



Impact Environmental purchases the second then-novel Geoprobe hydraulic probing tool (8ML) for use on Long Island.



Impact Environmental completes its 5,000th Phase I Environmental Site Assessment – the company is widely recognized by northeast regional banks for the quality of its work.


Mass Excavation

Impact Environmental performs the remediation on the largest legacy Manufactured Gas Plant in the City of New York in Red Hook, Brooklyn.


World Trade Center

Impact Environmental was honored to have served in recovery efforts following the terrorist attacks on 9/11; staff found the underground slurry wall bathtub using a ground penetrating radar.


Brownfield Leadership

Impact Environmental, working with the New York City Department of Housing Preservation and Development, wins the Phoenix Award for its former Rheingold Brewery Project in Bushwick, Brooklyn.



Impact Environmental starts its first mine reclamation project near Allentown, Pennsylvania – one of many to come.


World Trade Center Rising

Impact Environmental was honored to have been part of the team to work on restoring the World Trade Center - helping in the excavation of the subway 1/9 lines, the Vehicle Security Center and the Fulton Street Station. Donating portions of the concrete bathtub wall for art in the 11 UP project “Victorii Rebuild”.


Rewards with Awards

Impact Environmental was honored with its third Big Apple Award for the Boys and Girls Club of Harlem.



Impact Environmental celebrates its 30th anniversary with a once-in-a-lifetime throwback to the 80s party.



Impact Environmental expands into the Midwest to redevelop a former DuPont facility in East Chicago, Indiana.

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