Wolff Underground provides reliable agricultural drain, sewer, and excavation services for farms across Appleton, Green Bay, Oshkosh, Clintonville, and the greater Fox Valley region. With over 30 years of experience, we help farmers protect their land, livestock, and operations with cost‑effective solutions.

Cleaning pipes the right way is critical for farm operations. Our trailer‑mounted high‑pressure water jetting system (4000 PSI) cuts through dirt, roots, and debris, leaving pipes thoroughly clean. We service pipes ranging from 1½ inches up to 24 inches.
Common agricultural pipes we clean include:
Don’t replace your drain tile — clean it. Wolff Underground has saved farmers thousands of dollars by restoring existing tile systems. Our water jetting unit cuts through dirt, roots, and buildup, keeping fields productive and preventing costly replacements.
We also provide tile locating and repair services to ensure your drainage system works efficiently season after season.
Our excavation team delivers safe, precise solutions for agricultural projects of all sizes. Services include:
These services help farmers maintain reliable infrastructure for barns, fields, and processing facilities.
Serving Appleton, Green Bay, Oshkosh, Clintonville, and surrounding Fox Valley communities, Wolff Underground is the trusted partner for agricultural drain and sewer services.
Farmers choose us because we provide:
Wolff Underground
Appleton, Wisconsin, United States
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