Ask the Expert – Katherine Telfeyan

Katherine Telfeyan, PhD, PG, is a hydrogeochemist and project manager with extensive experience in environmental research and consulting. She excels in analyzing complex geological, hydrogeological, and geochemical data, using a variety of geospatial, geochemical, and statistical tools to deliver actionable insights and recommendations. Her experience includes developing in situ remediation technologies for contaminated aquifers, employing experimental methods to derive geochemical parameters and assess long-term safety of nuclear waste repositories, using tracers to understand regional hydrology, modeling geochemical effects from hydrological alterations, assessing the effectiveness of monitored natural attenuation programs, and contributing to coastal management plans. 

Her technical skillset includes geospatial analysis (ArcGIS, QGIS), programming (Python, Matlab), geochemical modeling, experimental geochemistry, and advanced laboratory techniques for elemental and isotopic analysis, making her a valuable asset in addressing environmental challenges. 

What do you find most rewarding about the work that you do? 

The most rewarding aspect of my work is seeing remediation strategies deliver positive environmental outcomes where our work leads to measurable reductions in contaminants and creates opportunities for the future use and restoration of land and groundwater resources. 

What are you currently working on? 

Currently, I am working on several geochemical modeling and assessment tasks at a site with multiple hydrologic modification projects aiming to control the spread of a contaminant through an aquifer. I am also providing litigation support related to contaminated soil and groundwater. 

How can our clients benefit from this service/particular innovation? 

Geochemical measurements and modeling can support a wide range of needs, from predicting how proposed hydrologic changes may affect aquifer geochemistry to identifying pollution sources, evaluating aquifer suitability for remediation, and diagnosing geochemical reactions that cause scaling. 

When you were 10 years old, what did you aspire to do for a career? 

I wanted to be a point guard in the WNBA. 

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