Catch the Hatch

Mayflies are important indicators of watershed health and are threatened by pollution and climate change. Learn more about project details here.

Dave Rees, Timberline Aquatics

Catch the Hatch

Mayflies are important indicators of watershed health and are threatened by pollution and climate change. Learn more about project details here

Join Catch the Hatch!

Mayflies are important indicators of watershed health. Join our team this summer from June 15- July 15. Record data on mayfly emergence and creek temperature at three creek locations in the St. Vrain sub-basin. Becoming a data catcher means you will train with scientists and make observations on your own schedule!

Click on the map to see summer 2020 locations.

2020 sign-ups coming soon!

Want to receive updates on the project? Join our project email list!

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Left Hand Watershed Center’s Community Science Program aims to engage Front Range communities in place-based learning and scientific data collection about watershed health. Please learn more about our Community Science Plan or help support future projects!

Project News

Catch the Hatch 2019 Summary

Catch the Hatch 2019 Summary

Project Summary Total Volunteers: 31 Total Site Visits: 71 Total PMD Sightings: 14 Total Observation Hours: 104 Left Hand Creek Summary Site Visits: 26...

My Watershed App: Community-Powered Watershed Science!

My Watershed App: Community-Powered Watershed Science!

Want to collect watershed science data? There's an app for that!   Join Left Hand Watershed Center's community science program and help track watershed health! All you have to do is sign up and download the My Watershed app!   2019 Program Offerings: Run Off...

Project Materials