Skip to main content

Oregon State Flag An official website of the State of Oregon »

TMDL Implementation Webinars

Current and prior webinar materials

Willamette Basin Coordinators host meetings and workshops on topics in TMDL implementation. Webinar recordings and presentation materials are available using the links below. 

Available materials


Dec. 4, 2025

Reservoir Operator Requirements Willamette Subbasins and Lower Columbia-Sandy Temperature Replacement TMDLs

Nov. 12, 2025

Streamside Evaluation Requirements

Sept. 30, 2025

Introduction to the Willamette Subbasins and Lower Columbia-Sandy Temperature Replacement TMDLs

July 15, 2022

Funding Stormwater and Nonpoint Source Pollution Projects, Clean Water State Revolving Fund

July 7, 2021

TMDL Implementation Planning for Reservoir Operators

June 1, 2021

TMDL Planning and Implementation for Counties

June 8, 2021

TMDL Planning and Implementation for Responsible Persons, Water Conveyance Entities 

May 25, 2021

TMDL Planning and Implementation for Permitted MS4s

May 11, 2021

TMDL Planning and Implementation for Non-permitted Stormwater Management

May 4, 2021

Protecting Water Quality in the Willamette Basin: An Introduction to the Total Maximum Daily Load Program for New Designated Management Agencies and Responsible Person



Contact

Steve Mrazik
Watershed Management Manager
503-229-5379

Basin Coordinator List