Water Quality

Watershed nitrogen and phosphorus reduction planning tool spreadsheets, last updated on 11/7/17. Note: These are watershed-scale tools intended for an audience of local water resource managers, not farm-level decision tools:

NBMP.xlsm nitrogen tool

PBMP.xlsm phosphorus tool

NP-BMP.xlsm combined nitrogen and phosphorus tool

NBMP documentation (pdf)

PBMP documentation (pdf)

Read the Minnesota Pollution Control Agency’s recent study of nitrogen in surface waters and ways to reduce it. View their June press conference discussing the study.