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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!

GSA 2018

The Annual Meeting of the Geological Society of America will be November 4-7, 2018 in Indianapolis, Indiana. Several presentations on dye tracing and other emerging environmental tracers are scheduled.

Student Research Grant

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


WKU will host Kentucky Academy of Science Annual Meeting November 2-3, 2018. CHL will present on collaborative efforts with Mammoth Cave National Park to assess the condition of the park’s natural resources.