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Groundwater Resources

Groundwater Resources

Sustainable Solutions

Groundwater resources evaluation, development, and management are central to everything we do

Groundwater resources projects are becoming increasingly complex. We identify pertinent issues to develop strategies that will effectively and efficiently complete your project.

Our highly skilled scientists and engineers integrate scientific methods and forward-thinking engineering approaches, while negotiating legal, institutional, and regulatory constraints.

 

Expertise

  • Sustainable Groundwater Management Act compliance and Groundwater Sustainability Plan development
  • Conjunctive use program planning, development, and implementation
  • Aquifer Storage and Recovery (ASR), in-lieu recharge, surface recharge, and water banking program planning, development, and implementation
  • Groundwater substitution and water transfer program development
  • Water master plans, water supply assessments, integrated water resources management, salt and nutrient management
  • Local to regional hydrogeologic conceptual models, groundwater/surface water model development, and sustainable yield analysis
  • Surface water and groundwater interaction (e.g., exchange between surface water features and underlying groundwater)
  • Water budget analyses
  • Groundwater recharge area mapping
  • Spatial analysis of land use, hydrogeologic parameters, and environmental factors using geographic information systems (GIS)
  • Coastal aquifer system delineation and seawater intrusion management
  • Aquifer test design, implementation, and analysis
  • Groundwater monitoring plan development, data collection and management, and reporting
  • Groundwater flow and transport modeling
  • Land subsidence data collection and interpretation
  • Peer review, technical testimony, and legal support services
  • Deep well injection feasibility, design, and permitting (including EPA Class I waste disposal)
  • CEQA and NEPA impact analysis, mitigation development, and technical support

Napa County Groundwater Sustainability Planning

Like much of California’s Coast Range, Napa County’s complex geologic history exerts a strong influence on present day water resources management. Throughout the twentieth century, productive agricultural lands, population growth, and limited surface water supplies have had the result of increasing reliance on groundwater. We advanced the hydrogeologic conceptualization of...

Sustainable Groundwater Management Act (SGMA)

We have been immersed in SGMA-related work from the beginning; this includes our service on technical advisory groups to the California Department of Water Resources during the development of the Groundwater Sustainability Plan (GSP) emergency regulations and Best Management Practices for implementation of the Act. Since then, we have assisted...

Napa Valley Joint Surface Water and Groundwater Monitoring

The lack of data on shallow groundwater conditions near key streams in the Napa Valley was recognized as a data gap affecting ongoing efforts to manage groundwater resources sustainably. We provided critical services to facilitate the construction of a new network of dual-completion monitoring wells and surface water monitoring instrumentation...

Napa County Groundwater Sustainability Planning

Like much of California’s Coast Range, Napa County’s complex geologic history exerts a strong influence on present day water resources management. Throughout the twentieth century, productive agricultural lands, population growth, and limited surface water supplies have had the result of increasing reliance on groundwater. We advanced the hydrogeologic conceptualization of...

Sustainable Groundwater Management Act (SGMA)

We have been immersed in SGMA-related work from the beginning; this includes our service on technical advisory groups to the California Department of Water Resources during the development of the Groundwater Sustainability Plan (GSP) emergency regulations and Best Management Practices for implementation of the Act. Since then, we have assisted...

Napa Valley Joint Surface Water and Groundwater Monitoring

The lack of data on shallow groundwater conditions near key streams in the Napa Valley was recognized as a data gap affecting ongoing efforts to manage groundwater resources sustainably. We provided critical services to facilitate the construction of a new network of dual-completion monitoring wells and surface water monitoring instrumentation...