Newsletters and Studies
- Spring 2020 (PDF)
Highlights:
A Partnership that Works
FLOW Native Tree Nursery
Revised Watershed Action Plan Expected This Summer - Fall 2019 (PDF)
Highlights:
Greenspace Planning Tool Ready
Winning the Invasives War at Perry and Snouffer Parks
Blue Heron Award
One Litte Thing (packaging waste) - Spring 2019 (PDF)
Highlights:
From Pavement to Green Space: Hamilton STEM Academy
Tackling Olentangy Trail Flooding
Kempton Run’s New Habitat
One Little Thing (leave dried plants standing) - Fall 2018 (PDF)
Highlights:
The Future of Olentangy Watershed Greenspace
Restoring Slyh Run
Anheuser-Busch’s Landscaping Makeover
One Little Thing (raking leaves) - Spring 2018 (PDF)
Highlights:
Saving Carmack Woods
Rush Run: A Gem in the Rough
One Little Thing (plastic straws) - Fall 2017 (PDF)
Highlights:
20 Years of Progress
Webster Park
Greenspace Planning Grant
Beauty and the Butterflies - Spring 2017 (pdf)
Highlights:
Pollinator Pathways
Recycling Survey
Why Trees Matter
Blueprint Columbus
Stream Quality Monitoring - Watershed Brochure
- Fall 2016 (PDF)
- Spring 2016 (PDF)
- Fall 2015 (PDF)
- Spring 2015 (PDF)
- Summer 2014 (PDF)
- Fall 2013 (PDF)
- Spring 2013 (PDF)
- Spring 2012 (PDF)
- Winter 2012 (PDF)
- Spring 2011 (PDF)
- Winter 2011 (PDF)
- Fall 2010 (PDF)
- Summer-Fall 2010 (PDF)
- Spring – Summer 2010 (PDF)
- Winter 2010 (PDF)
- Fall 2009 (PDF)
- Summer 2009 (PDF)
- Spring 2009 (PDF)
- Winter 2009 (PDF)
- Fall 2008 (PDF)
- Spring 2008 (PDF)
- Fall 2006 Three-Petal Conservation Letter (PDF)
Additional Studies, Updates and News of the Olentangy River
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- Fifth Year Monitoring of the Fifth Avenue Dam Removal and Lower Olentangy River Ecosystem Restoration Project – Stantec Consulting Services, for the City of Columbus, 11/27/2019.
- Fourth Year Monitoring of the Fifth Avenue Dam Removal and Lower Olentangy River Ecosystem Restoration Project – Stantec Consulting Services, for the City of Columbus, 11/6/2018.
- Third Year Monitoring of the Fifth Avenue Dam Removal and Lower Olentangy River Ecosystem Restoration Project – Stantec Consulting Services, for the City of Columbus 12/15/2017.
- Second Year Monitoring of the Fifth Avenue Dam Removal and Lower Olentangy River Ecosystem Restoration Project – Stantec Consulting Services, for the City of Columbus, 9/30/2016.
- First Year Compliance Report 2015 – 5th Ave Dam – Prepared by DLZ.
- 2016 Olentangy River & Tributaries Fish & Habitat Surveys Mark Dilley, MAD Scientist Associates, LLC, Westerville, Ohio.
- FLOW: Backyard Conservation Booklet
- Ohio EPA: Storm Water Associated with Construction Activity Located Within Portions of the Olentangy River Watershed
- Ohio EPA’s Olentangy Total Maxiumum Daily Load Study, October 2006
- Appendix A: Supplemental Maps
- Appendix B: Supplemental Tables and Figures
- Appendix C: Use Attainment Status
- Appendix D: Response to Public Comments
- The Lower Olentangy River Watershed Lowhead Dams Feasibility Study, December 2005 (PDF, 5.5 MB)
- Biological and Water Quality Study of the Olentangy River, Whetstone Creek and Select Tributaries, 2003-2004, December 2005 Appendices
- Ohio EPA: Biological and Water Quality Study of the Olentangy River and Selected Tributaries, 1999. Delaware and Franklin Counties, Ohio. 2001