Mainline Drain & Sewer Cleaning
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Greenway LS Drainage Systems
Drainage contractor in De Pere, Wisconsin, installing sump pumps and French drains to keep water away from basements and foundations in Green Bay and the Fox Valley.
What they do
The company installs sump pumps and French drains to keep water out of basements and away from foundations. Its French drains use gravel and a perforated pipe wrapped in geotextile, carrying water to a storm sewer or dry well. Yard work includes catch basins and dry well systems for lawns where rain collects in low spots. Based in De Pere, it serves Green Bay and the Fox Valley area. Free estimates are offered on yard drainage problems, and every contact form gets a reply, even when the job falls outside its services. Its drains are designed to last for decades. Open Monday to Friday.
- Sump pumps
- French drains
Listed under Basement flooding and sewer backup
Where they work
What we checked
- Its own website lists this work: greenwayls.com/catch-basin-2 (opens in a new tab), greenwayls.com/french-drain (opens in a new tab)
Checked 12 Nov 2026, from public sources.
Not yet verified. We haven’t contacted this business yet. Ask for a written quote before work starts.
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