Homepage - Geo-Logic Associates

Providing practical,  science-driven solutions  that create lasting value.

a 100% employee-owned environmental, civil,  hydrogeological, and geotechnical engineering firm

Since 1991, we have delivered practical science-based solutions to public- and private-sector clients.

Services

Environmental ›› Hydrogeology / Hydrology ›› Civil Engineering ›› Geology ›› Construction Support ›› Geotechnical Engineering ›› Metal Recovery ›› Soil Laboratory ››

Markets

Solid Waste ›› Mining ›› Environmental ›› Water ›› Infrastructure ›› Expert Services ›› Carbon Management ››

Our Family of Brands

Clear Creek Associates is a former subsidiary of GLA; staff and technical capabilities remain unchanged.

View Geo-Logic ➔

Daniel B. Stephens & Associates, Inc. is a former subsidiary of GLA; staff and technical capabilities remain unchanged.

View Geo-Logic ➔

Geo-Logic provides solutions to challenges for landfills, mines, contaminated sites, municipal projects, natural resources, and water resources.

View Page ➔

Peruvian consulting firm focused on geology, geotechnics, hydrogeology, civil design and environmental engineering projects.

View Site ➔

John Shomaker & Associates provides expert hydrogeology services throughout the Southwest.

View Page ➔

Kunkel Engineering Group provides consulting, engineering, surveying, construction management, and funding procurement services exclusively to municipal clients.

View Page ➔

Loughlin Water Associates provides expert, comprehensive water resource and geoscience solutions.

View Page ➔

Geotechnical engineering consulting firm whose expertise results in innovative, practical, and cost-effective solutions.

View Page ➔

Summit Water Resources offers groundwater supply and water resource management consulting in the Pacific Northwest.

View Page ➔

The MINES Group is a former subsidiary of GLA.

View Geo-Logic ➔

All Brands

Featured Projects

New Mexico Class VI UIC Permitting Primacy Application

GLA is supporting the New Mexico Energy, Minerals and Natural Resources Department in the process of applying for regulatory primacy under the EPA Class VI program in order to oversee carbon capture and storage (CCS) projects.

View Project

Aquifer Storage and Recovery Program, Groundwater Supply, and Innovative Stormwater Management for the City of Beaverton

Our work helped City achieve its goal of becoming the largest ASR project in the Pacific Northwest. The use of treated residential municipal stormwater for ASR has also inspired other departments.

View Project

Groundwater Flow and Transport Modeling for Real Estate Development

GLA developed a comprehensive hydrogeologic subbasin site characterization and groundwater model that allowed BRC to quantify the historical, current, and future hydrogeologic conditions and chemical impacts and aid in potential future remedial decision making.

View Project

All Projects

Featured News

HDPE Lined Produced/Flow-Back Water Evaporation and Recycling Ponds

Neil C. Nowak, PE will be presenting on “High Density Polyethylene (HDPE) Lined Produced/Flow-Back Water Evaporation and Recycling Ponds” at the Produced Water Society’s 36th Annual Conference in Houston, Texas, February 9-12, 2026.

All News