



The Solid Waste Institute of Northeast Oklahoma is a regional, nonprofit environmental development organization dedicated to helping communities become cleaner, healthier places.
Established in 1989, the Institute was created to help northeast Oklahomans find solutions to the challenges of managing nearly 500,000 tons of trash, garbage, and other solid waste produced in this predominantly rural region each year.
As a publicly-
Program services are provided primarily to representatives of county, municipal,
and tribal governments, and to other public-

Click image above to view a map of our 14-
Cleanup Activities
ConocoPhillips Supports Area Solid Waste Program

Solid Waste Institute
of Northeast Oklahoma
Tahlequah Community Clean Up April 18, 2009