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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 30 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!

Dr.Nicholas Crawford recognized at GSA 2017

We offer Dr. Crawford congratulations for receiving the 2017 GSA Karst Division’s Meritorious Contribution award for his pioneering work in the field of karst hydrogeology.

Click below for more info on the special session that was held to recognize his significant influence in karst science and education.

Student Research Grant

CHL is now accepting proposals for their 2018 student research grants.


Interested in what we’ve been up to? Check out CHL in the NEWS!