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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!

How do I ……?

Looking for guidance on how to change out a receptor or avoid cross-contamination during field activities? Check out our procedures here!

Student Research Grants Available!

Awards will cover up to $700 for laboratory analytical costs and up to $300 for dye tracing supplies!


CHL launches the new Shimadzu RF 6000 Spectrofluorophotometer! Stay tuned for updated detection limits and expanded analytical services!!