TMDL (Watershed Planning) and Restoration
National Program Information
State TMDL Programs
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A Total Maximum Daily Load, or TMDL, is a calculation of the maximum amount of a pollutant that a waterbody can receive and still safely meet water quality standards. Learn more about TMDLs
Current TMDLs
TMDL-related studies conducted by EPA Region 10
- Video: Data-driven Planning for TMDL Effectiveness Monitoring and Statistical Test Selection for Analysis of Monitoring Data (Windows Media Video, 64.3MB) - April 2012. Note: This file requires a certain video codec to play which can be found on GoToWebinar's Install GoToMeeting Codec page
- Presentation: Data-driven Planning for TMDL Effectiveness Monitoring & Statistical Test Selection for Analysis of Monitoring Data (PDF) (69 pp, 2.1MB) - April 2012
- Technical Guidance for Designing a TMDL Effectiveness Monitoring Plan (PDF) (11 pp, 257K) - December 2011
- Technical Guidance for Exploring TMDL Effectiveness Monitoring Data (PDF) (24 pp, 1.2MB) - December 2011
- TMDL Effectiveness Monitoring Tool (ZIP) (Excel macro-enabled, 1.5MB)- April 2011
- Recommendations for Developing TMDL Effectiveness Monitoring Plans (PDF) (7 pp, 206K) - September 2011
- Using Microbial Source Tracking to Support TMDL Development and Implementation (PDF) (74 pp, 2.3 MB) - April 2011
- State Approaches and Needs for Measuring, Tracking and Reporting on Water Quality Improvements (PDF) (107 pp, 954KB) - February 2010
- Total Maximum Daily Load (TMDL) Implementation Tracking Needs Assessment: Current Status and Future Needs for States in Regions 5, 6, and 10 (PDF)" (37 pp, 1.1MB) - March 2008
- Advanced Wastewater Treatment to Achieve Low Concentration of Phosphorus - April 2007
Other TMDL resources
General TMDL Information & Training
Modeling
Policies and Guidance
Watershed Information
Region 10 TMDL program contacts
Alaska TMDL Program Manager*
Jayne Carlin, (206) 553-8512, carlin.jayne@epa.gov
Idaho TMDL Program Manager*
Leigh Woodruff, (208) 378-5774 , woodruff.leigh@epa.gov
Oregon TMDL Program Manager*
Jennifer Wu, (206) 553-6328, wu.jennifer@epa.gov
Washington TMDL Program Manager*
Laurie Mann, (206) 553-1583, mann.laurie@epa.gov
Impaired Waters Acting Program Manager*
Jill Gable, (206) 553-2582, gable.jill@epa.gov
Nonpoint Source Pollution and Restoration Manager
Rick Seaborne, (206) 553-8510, seaborne.rick@epa.gov
*Includes both the state and tribal reservations, native villages and tribal waters located within the exterior boundaries of that state.