SSP&A developed a groundwater flow model covering the western portion of the Washington Water Resources Inventory Area 1 in Whatcom County.
Geochemical and Hydrogeological Evaluation of Former Yerington Mine Site
2024-11-21T23:17:10+00:00For nearly a decade, SSP&A assisted with the development and implementation of long-term management of contaminated groundwater at the Anaconda Copper Mine Site in Lyon County, Nevada.
Hanford Site Statistics and PHREEQC Geochemical Model
2024-11-21T17:09:28+00:00SSP&A was initially engaged to assess groundwater conditions and develop and apply models to design, evaluate, and optimize groundwater remedies for CERCLA operable units across the Hanford Site.
Castle East Mine
2024-11-21T17:11:01+00:00SSP&A was retained to develop a groundwater model to support a Category 3 Groundwater Permit to Take Water for Canada Silver Cobalt Works.
Texas Eastern Natural Gas Compressor Stations, PCB Support
2024-11-21T17:16:11+00:00For over 10 years SSP&A consulted to the NYSDEC spills department, evaluating and simulating the fate and remediation of fuel spills.
Fate and Transport Modeling of Fuel Additives
2024-11-21T17:20:38+00:00For over 10 years SSP&A consulted to the NYSDEC spills department, evaluating and simulating the fate and remediation of fuel spills at multiple sites.
Hyde Park Landfill – Remedial Action Assessment and Modeling
2024-11-21T17:22:44+00:00The Hyde Park Landfill is a hazardous waste landfill where approximately 20,000 tons of chlorinated compounds (primarily DNAPLs) were disposed in a fractured rock setting.
EPA Region 5 Hydrogeological Synthesis and Numerical Modeling Support
2024-11-21T17:33:12+00:00Multiple Sites in EPA Region 5: Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin
Regional Municipality of Durham Groundwater Modeling Update
2024-11-21T17:39:12+00:00SSP&A was responsible for the local wellfield characterization for four communities including Cannington, Blackstock, Uxbridge, and Port Perry, in the Durham Region of Ontario, Canada.
Assessing Potential Impacts of the Tulla Transfer Application
2024-11-21T17:53:55+00:00To address concerns regarding groundwater/surface-water interactions and potential Rio Grande Project Supply impacts, SSP&A provided expert hydrogeologic support in the evaluation of the Tulla Resources application and developed possible strategies for offsetting any potential impacts.
Water Resources Assessment, Pecos River Basin
2024-11-21T17:58:55+00:00To assist the State in their management of water resources in the Carlsbad Basin, SSP&A developed a graphical user interface for evaluation of water rights transfer applications which integrates an existing superposition groundwater model and advanced applications of the Glover-Balmer and Theis equations for analysis of locations outside the active extents of the groundwater model.
Water Resources Assessment, Salt Basin
2024-11-21T18:05:36+00:00On behalf of the New Mexico Interstate Stream Commission (NMISC), SSP&A was asked to provide expert insight into the State’s effort to assess feasibility regarding potential Salt Basin groundwater development for interbasin transfer either to the Pecos or Lower Rio Grande Basins.
OTIS AFB MMR Fate-and-Transport Analysis, Modeling, and Remedy Design
2024-11-21T18:22:54+00:00SSP&A developed and applied a 3D groundwater flow and contaminant transport model for the OTIS/MMR as part of remediation efforts at the site, and was subsequently retained to undertake wide-ranging data analysis, reporting, and remedy evaluation and optimization tasks.
Columbia Basin Groundwater Management Area (GWMA) Groundwater Resources
2024-11-21T23:10:28+00:00Translating the developing conceptual model, complete with the natural and man-made complexities described above, is a challenging task that is being undertaken jointly by S.S. Papadopulos & Associates, Inc. (SSP&A) together with GSI Water Solutions in collaboration with the GWMA.
Bannister Federal Complex
2024-11-25T22:15:30+00:00Historical operations at the Bannister Federal Complex had led to extensive contamination with chlorinated solvents, PCBs, hexavalent chromium, and petroleum hydrocarbons.
Hanford Natural Resources Damage Assessment Upwelling Study
2024-11-21T23:16:25+00:00SSP&A was retained to evaluate the locations, timing, and quantities of historical contaminant discharges to the Columbia River to support a potential Natural Resource Damage Assessment (NRDA) claim.