Sheetflow Construction Erosion and Sediment Control

May 1, 2014

Sheetflow Sampling Guidance Document

Sheetflow Sampling Guidance Document

Minnesota Pollution Control Agency

The agency’s Industrial Stormwater Multi-sector General Permit requires all permittees to conduct stormwater monitoring.
To do that, a facility needs to collect stormwater samples and follow a specific procedure from preparing to collect each
sample through submitting the sample’s lab results to the agency. This fact sheet, and its companion video (link), offer
helpful guidance and tips about how to correctly collect a sheet flow sample. Read the program’s Monitoring Guidance
Manual for Minnesota’s Industrial Stormwater Multi-Sector General Permit ( for comprehensive guidance about the permit’s monitoring requirements.

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