Catch the Hatch
Mayflies are important indicators of watershed health and are threatened by pollution and climate change. Join our team each summer from June 15- July 15. Record data on mayfly emergence and creek temperature at specific 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! 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. 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! Learn more about project details here.
Hatch charts from previous seasons
Observation days, flows, and temperature for Pale Morning Dun mayfly emergence.
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
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!
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
—Training Materials—
Volunteer Manual & All Protocols
—Field Materials and Resources—
—Data Entry Materials and Resources—
—Past Project Materials—