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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 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!

CHL Holiday Hours

CHL will be operating on an as-needed basis from December 18 – January 2. We will be accepting shipments as usual and will maintain our 7-business day turnaround time but will not be offering expedited analysis or next-day shipping on supplies. Please contact us if you anticipate submitting samples or ordering supplies during this time. Happy Holidays from CHL!!!

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!