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Environmental Water Resource Consultant

Hanford Nuclear Reservation Remediation Modeling SSP&A is part of a multi-firm team developing remedial alternatives and strategies for the RI/FS and post Record of Decision (ROD) activities. 
The Columbia Basin Groundwater Management Area SSP&A is assisting a grass-roots organization in developing water resource tools to support assessment of water management alternatives within the 8,000 square mile Columbia River Basalt Group aquifer.
Hyde Park Landfill Groundwater Model SSP&A  developed a model of groundwater flow in the fractured rock where over 20,000 tons of chlorinated DNAPLs were released.
San Francisco Bay Since 1984, SSP&A has directed the investigation and remediation of the 1990 Bay Road site in East Palo Alto, California.
Piceance Basin, Colorado SSP&A has conducted several field sampling programs, groundwater and gas geochemistry evaluations, and water resource studies related to the develpment of oil and natural gas resources in western Colorado, in addition to other states.
Long Island, New York MTBE Groundwater Modeling SSP&A developed groundwater models to evaluate the migration and remediation of more than 30 large plumes dominated by MtBE (Methyl tertiary-butyl ether) on Long Island, New York.

Our Expertise

S.S. Papadopulos & Associates was
established in 1979 to provide
professional groundwater
and hydrogeology consulting services.
With that cornerstone of expertise, we
have continued to grow and have
developed an internationally recognized
practice in contaminant studies,
environmental engineering,
remediation, geochemistry, and
surface-water hydrology
. Learn More

Software

SSP&A has developed modeling and related software for over 20 years. SSP&A develops and distributes software for groundwater modeling and related analysis. Learn More

News

Dr. Erica DiFilippo Elected to NGWA Board – Erica DiFilippo, Ph.D. was elected to the National Ground Water Association’s (NGWA) Scientists and Engineers Board of Directors for 2016-2017.
Upcoming Training Courses - September, 2016 – S.S. Papadopulos & Associates, Inc. will be hosting 2 training courses in our Bethesda, Maryland office this September. both an introductory and advanced PEST course. More information is available on our Training page.
Internship Opportunities – S.S. Papadopulos and Associates, Inc. (SSP&A) supports a paid internship program in our Bethesda, MD office (less than 10 miles from Washington DC). For over 15 years SSP&A has worked with cooperative education and internship programs in schools across the U.S. and Canada to provide real-world experience to students and to foster an interest in hydrologic sciences and environmental remediation. SSP&A is an internationally recognized firm that has provided specialized services in water resources and environmental consulting since 1979. Our work includes the investigation and remediation of groundwater and soil contamination, regional aquifer analysis and water supply development, and computer modeling of hydrologic systems.
Farvolden Award - 2015 – S.S. Papadopulos & Associates, Inc. began supporting the Robert Farvolden Awards in 2011. We awarded 4 scholarships to students for their presentations or posters given at the 2015 National Ground Water Association Summit.
Elsevier Atlas Award – Article selected as the September 2015 winner of the Elsevier Atlas Award. Dana Nadwodny was recognized as co-author of the Paper "Using lightweight unmanned aerial vehicles to monitor tropical forest recovery."

US Locations

International Locations