• Toxicity Testing MBL Performs Whole Effluent Toxicity (WET) Testing For NPDES Permits.

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More than 20,000 successful toxicity tests in our logbooks. Meet the staff.


Samples accepted 7-days per week, plus courier pickup & free sample kits.

Free Review

Free permit review and quotes. Submit your permit now.

Quality Control

In-house organisms and the industry’s most stringent QA/QC.

Setting the Standard

Since our inception in 1988, Marinco Bioassay Laboratory, Inc. has grown into one of the largest aquatic toxicity testing laboratories in the Southeast and an industry leader.

Our single focus is to help NPDES permittees maintain compliance by providing dependable and convenient whole effluent toxicity (WET) testing and evaluation services. We have the skills, equipment, experience, and capacity to successfully and proficiently complete your tests.