920-738-1880

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    • Home
    • Pipe & Sewer Services
      • Residential Cleaning
      • Commercial / Industrial
      • Agricultural
    • Excavating
      • Sewer Repairs
      • Water Lines
      • Hydro Excavation
      • Excavating
    • Trenching + Boring
      • Horizontal Boring
      • Trenching
      • Underground Drainage
    • Project Gallery
    • About Us
    • Contact Us
    • Careers

920-738-1880

  • Home
  • Pipe & Sewer Services
    • Residential Cleaning
    • Commercial / Industrial
    • Agricultural
  • Excavating
    • Sewer Repairs
    • Water Lines
    • Hydro Excavation
    • Excavating
  • Trenching + Boring
    • Horizontal Boring
    • Trenching
    • Underground Drainage
  • Project Gallery
  • About Us
  • Contact Us
  • Careers

WATER LINE INSTALLATION & REPAIR IN NORTHEAST WISCONSIN

Wolff Underground provides trusted water line installation, repair, and replacement services for homeowners, businesses, and farms across Appleton, Green Bay, Oshkosh, Clintonville, and the greater Fox Valley. With over 30 years of experience, we deliver reliable solutions that protect your property and ensure safe, consistent water flow.

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Reliable Sewer & Drain Services by Wolff Underground

Water Line Replacement (HydraSlitting)

Our HydraSlitting method is a trench‑less way of replacing a water line. This process pulls a brand‑new pipe through the old line, giving you a durable replacement without tearing up your yard.

Benefits of HydraSlitting:

  • Trench‑less technology that minimizes property disruption
  • Fast and efficient installation
  • Cost‑effective solution compared to traditional excavation

New Water Line Installation

Need a new water line installed? Wolff Underground has the equipment to do it quickly and efficiently. We can trench in new water lines when needed, or use trench‑less methods to protect your landscaping and property.

Horizontal Boring for Water Lines

Another trench‑less option is our horizontal boring machine, which allows us to bore under concrete, sidewalks, patios, barns, and other structures without digging up the entire yard.


  • Can bore up to 150 feet
  • Installs up to 2‑inch pipe
  • Perfect for residential, commercial, and agricultural applicationsIf you own a restaurant or commercial kitchen, you know the importance of keeping your grease trap clean. Our team can provide regular cleaning to keep your grease trap functioning properly.

Emergency Water Line Repair

If you have a water line leak or break, Wolff Underground offers emergency repair services. Call us anytime, and we’ll respond quickly to restore your water service.

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  • Home
  • Residential Cleaning
  • Commercial / Industrial
  • Agricultural
  • Sewer Repairs
  • Water Lines
  • Horizontal Boring
  • Trenching
  • Underground Drainage
  • Project Gallery
  • About Us
  • Contact Us

Wolff Underground

Appleton, Wisconsin, United States

920-738-1880

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