Taxonomic Certification Exams


Prove your skill in aquatic invertebrate taxonomy to earn a certificate of proficiency good for five years. Please fill out the interest form BEFORE paying for an exam. The tax number for the Stroud Center is EIN 52-2081073. Questions? Email

Citizen science exam: When payment is received, the exam coordinator will email an access code for the exam from within 3-5 business days.


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Give the Gift of Fresh Water

As you give thanks for the gifts in your life, we invite you to give the gift of water. Clean drinking water, good health, happy trout, productive soil, clean air, the simple joys of swimming, boating, fishing — our healthy freshwater ecosystems make these and so many other things possible.

Your donation today will help preserve and protect
the future of fresh water.