Modeling and Hydrogeology

Modeling and HydrogeologyAt the forefront of the groundwater industry for 40 years, SSP&A provides expert services to address water supply, water rights, soil and sediment contamination, surface water quality, saltwater intrusion, mining, landfills, and hydraulic fracturing (fracking) for natural gas and oil production.

  • Water Resource Studies & Water Supply Modeling with MODFLOW, MT3D-USGS, MODFLOW-USG, IGSM, IWFM, PEST, GWD, and others
  • Ecohydrology for Groundwater-Dependent Riverine and Riparian Environments

  • Geochemical Modeling

  • Software Development – Modeling software for groundwater and surface water

  • Model Calibration and Uncertainty Analysis for litigation support, peer review, and new/updated models

  • Water Rights – legal, permitting, and transfer support

Expertise
Expertise

Software Development

SSP&A develops innovative groundwater modeling software, and continuously invests in cutting-edge research and development to provide innovative tools.

  • Groundwater Experts – Our software is used by groundwater experts around the world in academia, government, and private companies.

  • Support – SSP&A maintains a network of users and provides software training courses nationally and internationally.

  • Collaboration – SSP&A collaborates with other industry leaders on some of the most used and recognizable software in our industry.

  • Continuous Improvements – SSP&A continuously upgrades and improves software to support environmental decision making through contracts with federal agencies, including: U.S. Department of Energy (USDOE), U.S. Environmental Protection Agency (USEPA), U.S. Geological Survey (USGS), and U.S. Army Corps of Engineers (USACE).

Geochemistry

GeochemistryWe provide expert services in geochemistry for environmental problems associated with:

  • PFAS and emerging contaminants

  • Stable and Radiogenic Isotopes
  • Geochemical Statistics
  • Geochemical Forensics
  • Organic and Inorganic Contaminants
  • Monitored Natural Attenuation (MNA)
  • Geochemical and Reactive Transport Modeling

  • Chemical and Petroleum Manufacturing

  • Wood Treatment
  • Coal Gasification
  • Mining and Acid Mine Drainage
  • Saltwater Intrusions
  • Surface Water and Sediment Contamination
Expertise
Expertise

Engineering and Remediation

Engineering and Remediation  From site assessments and contaminant studies through remediation project implementation, SSP&A’s engineering services include:

  • Contamination Studies for groundwater, soil, and sediment
  • Evaluation of remediation alternatives
  • Implementation of remediation programs/systems
  • Pump and Treat system design and optimization
  • Soil-Vapor Extraction and Air Sparging and surfactant systems design and installation
  • Regulatory Agency presentations and negotiations
  • Remedial System performance data evaluations

Data Management and Analysis

For our own projects and to support other consultants, SSP&A compiles, analyzes, and manages data for:

  • Time-Series and Spatial Data

  • Environmental and Engineering Support

  • Water Resource Applications

  • Land Use and Land Records Management

Data Management and Analysis
Geophysics

Geophysics

Geophysics SSP&A’s geophysical services include:

  • Collection, Modelling, and Interpretation

  • Geologic and Hydrogeologic Characterization

  • Water-Table Mapping

  • Independent Review & Analysis of geophysical services performed by others

Expert Witness and Litigation Support

Expert Witness and Litigation Support SSP&A provides unbiased, independent, fact-based subject-matter expertise in support of a variety of legal matters related to groundwater, surface water, and soil remediation projects.

  • Clients – Plaintiff and defense counsel, owner agencies, and other consulting firms.

  • Services Include – Analysis of data, methodologies, models, and recommendations prepared by others; deposition responses; expert testimony.

  • Experience – Litigation support for environmental insurance coverage, natural resource damage claims, toxic tort claims, remedial action disputes, environmental liability claims, water rights adjudication, water and environmental permit disputes, and water resources regulations.

Expertise
Expertise

Client-Specific Specialized Field Services

 SSP&A provides on-site environmental, hydrogeologic, and geophysical services related to groundwater management and remediation projects, including:

  • Investigations

  • Sampling and Collection

  • Environmental Clean-Up

  • Monitoring Well Network Installations & Operations

  • Construction Management

  • Contaminated Soil Excavation

  • Site Characterization

Environmental and Water Resource Solutions

S.S. Papadopulos & Associates is a multi-disciplinary consulting firm focused on delivering solutions for groundwater and hydrogeology, environmental engineering, contaminant studies, remediation, geochemistry, and surface-water hydrology.