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    Commercial Plumbing

    Commercial Sewer Line Installation and Repair

    Available in all locations
    Need a Hand?
    24/7 Emergency Service

    It always happens at the worst possible moment…

    • The retail store where sewage odors drive customers away during the busy weekend.
    • The medical facility where patient safety is compromised by sewer line backups.
    • The restaurant that can’t operate because the kitchen drains won’t clear.

    And suddenly, a sewer problem becomes a spotlight you don’t want on your business.

    When Your Business Sewer System Fails, We Clear the Way Forward

    Since 1983, Midwestern Mechanical has kept over 5,000 businesses running smoothly with reliable commercial sewer line solutions. Our 300+ certified technicians respond when others won’t—holidays, weekends, middle of the night—because we understand that commercial sewer line failures can’t wait until “business hours.”

    Help is on the way.

    The Midwestern Mechanical Promise

    When commercial sewer line systems fail, you shouldn’t have to worry about finding qualified contractors or health code violations. That’s why business owners throughout our region have our number as their first call.

    Here’s how simple we make it:

    1. Call anytime your business needs help.
    2. Our dispatch team sends commercial specialists as soon as possible.
    3. You get detailed assessment and transparent pricing.
    4. We restore your hot water with minimal business disruption.
    5. You get back to serving customers (with reliable commercial-grade sewer service).

    Don’t let sewer line problems create health hazards in your facility.

    See our simple
    5-step process

    Right Where Your Business Needs Us

    Our four strategically located hubs across Sioux Falls, Rapid City, Sioux City and Spencer mean we guarantee:

    • Emergency Response: Usually within 60 minutes for critical situations
    • Commercial-grade solutions: Equipment sized for your business demands
    • Compliance expertise: Meeting all commercial codes and regulations
    • Professional service: Uniformed technicians who understand business environments

    SIOUX FALLS, SD

    HEADQUARTERS

    4105 N Lewis Ave, Sioux Falls, SD 57104
    Click markers to view other locations

    Your Commercial Sewer Line Specialists

    Multiple drains backing up during business hours? Persistent odors affecting your customer experience? Planning facility expansion that requires upgraded sewer capacity?

    Our commercial sewer line specialists understand that businesses have unique wastewater demands that residential systems simply can’t handle. We design, install, and maintain commercial-grade sewer line systems that manage your peak usage while ensuring proper waste removal and regulatory compliance.

    Real Talk from Real People

    Whether it's facility managers recommending us to colleagues or our employee-owners who've been with us for decades, the professionals who know us best understand what sets us apart.

    • "Our manufacturing facility's sump pump system failed during a weekend storm, and water started flooding our equipment storage area. Midwestern Mechanical responded immediately, even on Sunday night. They pumped out the water, installed a new high-capacity commercial system with dual pumps and battery backup, and completed everything before our Monday shift. Their commercial expertise saved us thousands in potential equipment damage and production delays."

      - Facility Manager, Spencer
      ★★★★★

    • "We truly appreciate Midwestern Mechanical and consider their contribution to our project invaluable. Their can-do attitude and ability to communicate with all team members are far too uncommon in today's industry."

      - Mark P., Hospital Project Manager
      ★★★★★

    • "The service and care we received from Midwestern Mechanical was excellent! Our home is large and over 100 years old, which can pose challenges for plumbing repairs. Our technician Jamie is knowledgeable, friendly and efficient."

      - Linda H., Local Customer
      ★★★★★

    • "Midwestern Mechanical's BIM modeling capabilities saved our hospital project significant time and money. Their virtual construction coordination identified and resolved conflicts before we reached the field, and their fire protection design expertise ensured we met all healthcare facility requirements. The entire process was seamless from design through completion."

      - David P., Project Manager, Rapid City
      ★★★★★

    • "When our water heater died on a Sunday morning with three kids needing baths, they were at our house within an hour. The technician explained everything clearly and had us back up and running the same day. Being employee-owned really shows—they care about our family like their own."

      - Amanda J., Sioux Falls
      ★★★★★
    "Reliable sewer service, from the team
    businesses across the region trust."
    24/7 Emergency Service

    Got Questions? We've Got Answers.

    Managing an existing facility or planning new construction—either way, we’re here to guide you through your commercial sewer line options. Below are some of the most common questions we hear from business owners in our region.

    Need a Hand?

    We've got you. For everyday service or a big project, hit the button below and we'll get the ball rolling.

    Get a Quote

    Emergency Services

    Need help right now? Our crew's on call 24/7—just tap the button below and we'll be on our way.

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