Olentangy River Watershed
The Olentangy River flows 88.5 miles from its headwaters in Crawford and Richland County through Marion and Morrow County into the City of Delaware and ending in Franklin County at its confluence with the Scioto River. The Olentangy River has a drainage area of 536 square miles. Twenty-two miles of the Olentangy were designated a state Scenic River by the Ohio Department of Natural Resources in 1973. The designation runs from the Delaware Dam, north of the City, to the old Wilson Bridge Road in Worthington.


2018 Events

NOW Festival on June 16 will Celebrate Scenic River Act Anniversary
The 5th annual Northern Olentangy Watershed (NOW) Festival is June 16 from noon-3 pm at Mingo Park. A highlight will be the 50th anniversary of the Scenic River Act. Ohio pioneered the river conservation movement when it passed the nation’s first Scenic River Act in February 1968; with the National Scenic River Act following later that year. The Olentangy River was the third Ohio river to be designated as “scenic.” The festival will include information booths, food trucks, children’s activities, raffle giveaways, and more.
Sponsor a Festival Rain Barrel

Earth Week/Green Week 2018
The City of Delaware will participate in several events the week of April 16, working with Ohio Wesleyan’s Green Week, Keep Delaware County Beautiful and other local partners. Events include a watershed clean-up on Sunday, April 15 and a storm water drain labeling project on Wednesday, April 18.
Register for the clean-up
Register for the storm drain labeling project
Green Week events information


The Delaware, Knox, Marion, Morrow Joint Solid Waste District
The City of Delaware is part of the DKMM district, a political subdivision funded by a fee on solid waste generated within the district. DKMM funds programs that provide education about and alternatives to disposal of generated wastes.  These programs include: recycling, composting, education and awareness, solid waste environmental and monitoring and household hazardous waste, electronics and tire collections.  DKMM Special Collection Events

How Can You Protect Our Olentangy River Watershed?
You can email City of Delaware Watershed/Sustainability Coordinator Caroline Cicerchi  or phone her at 740-203-1905.

Drains to River Brochure
Storm Water Quality Implementations Brochure
Pet Waste Removal Flyer

Watershed Newsletters
Spring 2018
Fall 2017

Public Utilities Department225 Cherry StreetEmail740-203-1905
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