Reports and Resources about Impaired Waters and TMDLs
The Process
- The Clean Water Act "Impaired Waters Restoration Pipeline" (pdf)
- The TMDL Program Results Analysis Project: Matching Results Measures with Program Expectations (pdf)
Listing
- Introduction to Clean Water Act Section 303(d) Impaired Waters Lists (pdf)
- Integrated Reporting (IR) – Improved Reporting for CWA Sections 303(d), 305(b), and 314 (PDF)
- 303(d) Listed Impaired Waters State, Watershed and National Geospatial Data (pdf)
- Dataset: Section 303(d) Listed Impaired Waters State or Watershed-level, Geographic Information Systems (GIS) Data Downloads
- The Impaired Waters with TMDLs National Geospatial Dataset (pdf)
- Dataset: Impaired Waters with Total Maximum Daily Loads (TMDL) Geospatial Dataset
Planning
- Total Maximum Daily Loads (TMDL) Progress (pdf)
- Developing Effective TMDLs: An Evaluation of the TMDL Process (pdf)
- Developing Effective Nonpoint Source TMDLs: An Evaluation of the TMDL Process
- Third Party TMDL Development Toolkit (pdf)
- Category 4b - A Regulatory Alternative to TMDLs (pdf)
- Category 4b - National Status and Trends (pdf)
- Category 4b Demonstrations
Implementing
- Recovery Potential Project (pdf)
- FY2010 National Report on Implementing TMDLs (pdf)
- Analysis of TMDL Implementation Rates in EPA Region 5 (pdf)
- Sampling TMDL Implementation Rates and Patterns in the North Central United States (pdf)
- TMDL Implementation: Lessons Learned (pdf)
- State Approaches and Needs for Measuring, Tracking and Reporting on Water Quality Improvements (pdf)
- A Method for Comparative Analysis of Recovery Potential in Impaired Waters Restoration Planning (pdf)
- Implementing Total Maximum Daily Loads: Understanding and Fostering Successful Results (pdf)
Improving
- Summary of EPA's "100 TMDLs Review" (pdf)
- FY2010 Assessment of Improving and Recovered Waters with TMDLs (pdf)
- Evaluating Options for Documenting Incremental Improvement of Impaired Waters Under the TMDL Program (pdf)