TMDL guidance

TMDLs

• Minnesota's TMDL prioritization framework 2022–2032 (wq-iw1-82)
• Minnesota’s TMDL commitment list FY27-28 (wq-iw1-89)
• Reviewing total maximum daily load reports (wq-iw1-70)
• Margin of safety guidance (wq-iw1-57)
• Guidelines for reviewing TMDLs (U.S. EPA)
• TMDL support documents (U.S. EPA)

Assessment and listing

• Minnesota's impaired waters list
• Surface water assessment grants (SWAG)

Stormwater and impaired waters

• Minnesota Stormwater Manual: TMDL guidance related to MS4s

Wastewater and impaired waters

• River Eutrophication Standards: TMDL wasteload allocation guidance (wq-iw1-67)
• TMDL guidance: Interpreting WLAs for the development of WQBELs (wq-iw1-32)
• Water quality trading
• Water quality trading guidance (wq-gen1-15)
• Wastewater additional guidance and information
• Phosphorus in wastewater

Water quality tools

• Watershed Health Assessment Framework (Minnesota DNR)
• Water quality tools and models (BWSR)
• Scenario Application Manager (HSPF–SAM)

Resources

• Water pollutants
• Index of biological integrity