health
February 19, 2026
Wastewater testing reveals high levels of cocaine in Nantucket, Massachusetts
Up to three times national average of metabolite produced by human use of drug was found in town’s wastewater
TL;DR
- Wastewater tests in Nantucket, Massachusetts, detected cocaine levels up to three times the national average.
- Levels surged significantly in October and December, reaching "dangerous amounts" according to town officials.
- The presence of cocaine metabolites suggests human use, but officials also noted evidence of the drug being dumped into the water system.
- Fentanyl and methamphetamine levels were found to be below regional and national averages.
- The data is being used to guide evidence-based interventions and behavioral health support in the community, which quadruples in population during the summer.
- Nantucket is a popular, upscale summer resort known for its celebrity and political visitors.
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