Soil and Water Samples

Soil Samples

The UW Madison Soil and Forage Analysis Laboratory is certified for routine soil analysis and receiving soil, forage, manure, plant and lime samples. Sample kits, submission forms, brochures, and mailing envelopes are available in the Ashland County office during office hours, but samples will need to be shipped to their address in Madison:

Soil and Forage Analysis Lab
4702 University Avenue
Madison, WI 53705

You can reach the Soil and Forage Analysis office by phone at 608-262-4364.


For clients in Central and Northern Wisconsin who would like to continue to drop samples off at Marshfield, the receiving room of the Marshfield location will serve as a drop off point. While samples may still be received at Marshfield they will be transported to Madison for testing. Shipping samples to Madison is preferred for mailed samples.

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