Bureau Home / Commodity Inspection Services / Grain Inspections
The Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP) Grain Inspection Unit is headquartered in Superior. This office conducts official USDA inspections in accordance with guidelines established by, and under a cooperative agreement with, the Federal Grain Inspection Service (FGIS). FGIS is under the Agricultural Marketing Service, an agency housed within the United States Department of Agriculture. Services provided include:
- Grading of wheat, oats, barley, corn, soybeans, and other grain
- Weighing grain
- Laboratory testing for falling numbers, mycotoxins, and other factors
- Stowage exams
Information about Submitting Samples
Each sample must have a unique identification number so that results for each submitted sample can be properly identified. Include contact name, company name (for billing purposes), and an email address for where results should be sent. Results are typically provided within 24 hours.
Minimum sample sizes
- Full grade/inspection: 1,000 to 1,250 grams
- Protein test: 600g
- Falling Number determination: approximately 250g
- DON or vomitoxin test: approximately 200g
- Aflatoxin test: approximately 10 pounds
Send samples directly to:
DATCP
404 Tower Ave.
Superior, WI 54880