We're in beta! If you find a bug or have feedback, let us know in our 
National Park Service (NPS) & U.S. Geological Survey (USGS)
Dragonfly Mercury Project
Track mercury pollution using dragonflies
Multiple locations, including yours!
- Ongoing
Citizen ScienceNature & OutdoorsInsects & PollinatorsEcology & Environmentinsectswater qualityfield worknational parksmercurytoxicologyaquatic ecologypollutionbiomonitoringdragonflies