We are a  Team of Specialists

Our associates have directly performed and have assisted with hundreds of tracer tests for the private sector, government, municipalities, and research institutions across the United States.

Our history

Karst Works Inc. was incorporated in 1988 to provide specialized consulting services in karst and fractured rock terrains. Located in San Antonio, Texas, Karst Works Inc. associates have worked in more than thirty states and South America and have provided services for government, municipalities, corporations, and environmental consulting firms.

Core capabilities

Karst Works Inc. associates have years of experience working in water resource planning and environmental investigations at RCRC, TSCA, and state and federal CERCLA sites. We have performed hundreds of tracer tests to large capacity municipal wells and also in highly contaminated groundwater settings. Our laboratory specializes in the analysis of fluorescent dyes and has the ability to separate multiple dyes using sequence scanning luminescence spectrometry.

About Us

Our hydrogeology consulting team specializes in karst and fractured rock aquifers. 

Geary M. Schindel, P.G. 

Founder and Principal Scientist  

A professional geologist registered in the state of Texas (PG 911) Geary has over 30 years of experience working in the environmental field as both a regulatory and a consultant. He is a graduate of West Virginia University (BS) and Western Kentucky University (MS). Geary is a Fellow and also the Administrative Vice President of the National Speleological Society (NSS 15827 F) and a fellow of the Geological Society of America. He is the Chief Technical Officer for the Edwards Aquifer Authority.  ​Resume

Rick C​orbell

Lead Technician

Rick has more than 30 years of experience in the discovery, exploration, and mapping of caves and karst features. He is also experienced in drilling water wells, servicing pumps, and an electronics and mechanical technician. Rick has a Bachelors Degree in Math Education from Southwest Texas State University. 

Graham M. Schindel

Karst Hydrologist