Upcoming Training Course: Calibration and Uncertainty Analysis for Environmental Models

Posted: Sep 2020

TBD Fall 2021.  Instructed by Dr. John Doherty, author of PEST.  

SSP&A Moved to their New Corporate Location in Rockville, Maryland

Posted: Apr 2020

SSP&A’s corporate office has moved from Bethesda to Rockville, Maryland.

Internship Opportunities

Posted: Jan 2020

S.S. Papadopulos and Associates, Inc. (SSP&A) supports a paid summer internship program in our Rockville, MD office (less than 10 miles from Washington DC).

SSP&A is a Proud Sponsor of the 2019 Darcy Lecture Series

Posted: Sep 2018

SSP&A is a proud sponsor of the 2019 Darcy Lecture Series.

Dr. Erica DiFilippo Joined the Interstate Technology and Regulatory Council’s (ITRC) PFAS Team

Posted: Sep 2018

The goal for the project team is to produce concise technical resources to help regulators and other stakeholders improve their understanding of the current science regarding per-and polyfluoroalky

SSP&A is a Proud Sponsor of the 2018 Darcy Lecture Series

Posted: Sep 2018

The Darcy Lecture Series was established in 1986 by the National Groundwater Association (NGWA) and promotes outstanding achievements in the field of groundwater hydrogeology.

SSP&A is Pleased to Announce the Following Promotions in 2018:

Posted: Aug 2018

Promoted to Associate for three SSP&A senior staff members:  

Farvolden Award - 2017

Posted: Aug 2018

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 2017 National Ground Water Association Summit.

Dr. Erica DiFilippo Reelected to NGWA Board

Posted: Nov 2017

Erica DiFilippo, Ph.D.

Illinois Office is Now Open

Posted: Sep 2017

We are pleased to announce the opening of a new office location in Illinois.

MODFLOW and More 2017

Posted: Nov 2016

May 21-24, 2017 at the Colorado School of Mines, Golden, CO

Software Release: MT3D-USGS

Posted: Oct 2016

MT3D-USGS, an updated release of MT3DMS and product of collaboration between the US Geological Survey (USGS) and S.S. Papadopulos and Associates, Inc. (SSP&A) is now available for download.

Software Release: mod-PATH3DU

Posted: Sep 2016

S.S. Papadopulos & Associates, Inc., in collaboration with the University of Waterloo, is pleased to announce the release of mod-PATH3DU v.1.1.0, a particle path and travel-time simulator for structured and unstructured grids. This latest release includes the Waterloo method – the most powerful particle tracking algorithm available for MODFLOW and MODFLOW-USG.