Link to TMDL GIS Shapefiles

To access the Sharebase link which houses most of the TMDL shapefiles, click here:link to page containing most TMDL shapefiles

The Sharebase link expires every 3 months, so bookmark this page.


Warning: The rest of this page contains resources that may be helpful in completing the Annual TMDL Reporting Form for Phase I MS4 permittees.

Cross reference list

The purpose of this form is to help determine which BMP type to use from the dropdown list in Column E of the BMP-activities completed tab in the TMDL form.

Download cross reference list here: File:Cross-Reference list.xlsx

If you have questions or suggestions for additional BMPs, contact us.

BMP pollutant reductions

The purpose of this worksheet is to provide a guideline for which BMPs may reduce which types of pollutants. Actual pollutant reductions may vary. MPCA will update this worksheet as additional information becomes available.

Download BMP pollutant reductions sheet here: File:Pollutant Removals 2.10.15.xlsx

If you have questions, or would like to suggest additional research-based practices, please contact us.