Laws & Regulations

Sampling TMDL Implementation Rates and Patterns in the North Central United States

The paper describes the results of a statistical sampling study that estimated TMDL implementation rates and other characteristics throughout the north-central United States.

Beaver Lake, Iowa TMDL

The document details the algae and pH TMDL and water quality improvement plan for Beaver Lake, Iowa.

TMDL Implementation: Lessons Learned

Virginia Tech Center for TMDL and Watershed Studies provided state TMDL implementation information and reviewed ongoing TMDL implementation efforts across the country to identify factors that contribute to successful implementation.

Lake Kahola, Kansas TMDL

The document details the eutrophication TMDL for Lake Kahola, Kansas.

Comments Received on Proposed Wissahickon Creek TMDL

Comments received during the public comment period for the proposed Wissahickon Creek Total Phosphorus TMDL.

TMDL-Stormwater Permit Case Studies

These case studies from 2004 and 2005 describe activities linking stormwater-source TMDLs currently being developed with applicable stormwater permits.

A Method for Comparative Analysis of Recovery Potential in Impaired Waters Restoration Planning

Th describes an indicator-based method for setting restoration priorities among large numbers of impaired waters through using recovery potential screening.

Minnehaha Creek / Lake Hiawatha TMDL

The document details the Minnehaha Creek E. Coli and Lake Hiawatha nutrients TMDL.

Evaluating Options for Documenting Incremental Improvement of Impaired Waters Under the TMDL Program

The report documents scientifically sound examples of detecting and quantifying incremental improvement and summarizes the key concepts and methods in a consistent framework.

Middle Rio Grande Watershed TMDL

The document details the bacteria and aluminum TMDL for the Middle Rio Grande Watershed.

Category 4b Demonstrations

A series of papers describing case studies that followed the 4b process alternative to TMDLs in several studies.

Final Report: Reducing Reporting Burden under Clean Water Act Sections 303(d) and 305(b)

The report details efforts relating to reducing the reporting burden with sections 303(d) and 305(b).

Fact Sheet: Minnesota Statewide Mercury TMDL

The factsheet documents the Minnesota Statewide Mercury TMDL.

Total Maximum Daily Loads and National Pollutant Discharge Elimination System Storm Water Permits for Impaired Water Bodies: A Summary of State Practices

A summary on TMDL-stormwater practices in 10 states that provides specific TMDL and permit language and identifies some specific technical and programmatic challenges.