- nutrient and sediment loads from different land uses, and
- the load reductions that would result from the implementation of various best management practices (BMPs).
Additional Documents to supplement Materials on STEPL and REgion 5 model pages :You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
STEPL 4.4 updates and new Features (PDF)(9 pp, 2 MB,
This documentation highlights the new features of STEPL version 4.4.
STEPL 4.4 User's Guide (PDF)(90 pp, 4 MB,
This is the complete model documentation for STEPL version 4.4.
- EPA STEPL 4.4 Training Slides (PDF)(42 pp, 3 MB, 3-2018)