Header image


Crawford Hydrology Laboratory provides professional consulting and field and laboratory services regarding groundwater tracing in karst and non-karst areas.

We specialize in groundwater investigations with the use of fluorescent dyes and utilize techniques we have developed and enhanced over the past 38 years. We provide quality supplies and analyses for groundwater traces and conduct full field investigations. Crawford Hydrology Laboratory has extensive experience conducting dye trace investigations for commercial clients as well as government agencies.

We look forward to working with you!

UNESCO Karst 2020

Western Kentucky University, the George Wright Society, and the Mammoth Cave Area Biosphere Reserve invite you to attend the Conservation of Fragile Karst Resources Workshop in Bowling Green, Kentucky to be held May 2020. 

Student Research Grant

Congratulations to Charles Capps, recipient of the 2018 CHL Student Research Grant. 


CHL research receives project spotlight in Kentucky Water Resources Research Institute Winter 2019 Newsletter.