Drain Cleaning & Rodding in The Loop

Drainage as Building Infrastructure

In the Loop, drainage is building infrastructure rather than household plumbing. Towers have documented riser diagrams, engineers who know them, and procedures governing who may work where.

That structure makes diagnosis faster when it is used. The first question on any call is which stack and which floors, and a building engineer can usually answer both immediately.

Offices Becoming Apartments

Older office buildings converted to residential use carry drainage designed for a handful of core restrooms, now serving a kitchen and bathroom in every unit.

Conversions that re-plumbed thoroughly perform well. Those that tied many new fixtures into original risers tend to develop recurring problems in specific stacks.

Food Service at Street Level

Ground-floor restaurants and food halls in tower buildings discharge into shared building drainage, so grease control protects the building rather than only the tenant.

Scheduled service outside operating hours is standard. See commercial drain and grease service.

Chicago’s Downtown Core

The Loop takes its name from the elevated rail tracks that circle the central business district, completed in 1897, although the term was used even earlier for the cable car loops that turned around downtown. After the Great Fire of 1871 destroyed most of the city center, Chicago rebuilt with remarkable speed and ambition, and the Loop became the birthplace of the skyscraper. Buildings like the Home Insurance Building, the Monadnock, the Rookery and the Reliance pioneered steel-frame construction, and the Chicago School of architecture influenced cities worldwide. Later landmarks from the Sears, now Willis, Tower to Millennium Park have kept the Loop at the center of Chicago's identity.

Once almost entirely commercial, the Loop has grown into a residential neighborhood too, with thousands of people living in converted office buildings, new high-rise towers and historic loft buildings. Theaters, restaurants, hotels, universities and cultural institutions like the Art Institute and the Chicago Symphony Orchestra fill the area.

Drain and sewer systems in the Loop range from nineteenth-century building plumbing to modern high-rise systems, all connected to some of the oldest parts of the city's sewer network.

High-Rise Residential Buildings

The Loop's residential towers have commercial-scale drain systems managed by building engineering staff. Residents typically handle clogs in their own unit's branch lines, while management handles stacks, mains and connections to the city sewer.

Kitchen stack clogs are a recurring issue in high-rises. Grease from many units accumulates where branch lines meet the stack, and a clog can back water into lower units. Buildings that schedule regular hydro jetting of kitchen stacks have far fewer incidents.

If you own or rent a unit and experience a clog, check with building management about responsibility and access requirements before calling a crew.

Historic Office Buildings and Conversions

Many historic Loop office buildings from the late nineteenth and early twentieth centuries have been converted to apartments, hotels or student housing. Their plumbing was originally designed for office use and has been adapted, sometimes resulting in long horizontal runs, unusual stack configurations and mixed pipe materials.

Clogs in converted buildings can be harder to diagnose. A camera inspection helps map the system and identify problem areas.

Older cast iron in historic buildings may have heavy internal scale. Descaling or replacing corroded sections restores flow.

Restaurants, Hotels and Theaters

The Loop has a dense concentration of restaurants, hotels and entertainment venues. Commercial kitchens generate large amounts of grease, and heavy restroom use in theaters and hotels stresses drain lines.

Restaurants must maintain grease interceptors and should schedule regular hydro jetting. Hotels and theaters benefit from preventive maintenance programs that include camera inspection of main lines.

If you manage a commercial property in the Loop, ask about after-hours scheduling to minimize disruption to guests, audiences and customers.

Old Sewers Under Downtown

Chicago's first comprehensive sewer system was built in the 1850s under engineer Ellis Chesbrough, who famously had the city raise its street grades so sewers could be laid above the original ground level and drain toward the river. Parts of the Loop's sewer infrastructure date from that era and subsequent early expansions, although much has been rebuilt over the decades.

The city maintains public sewers, while building owners are responsible for their own service connections. In a dense downtown, those connections can be complex, passing under sidewalks, vaults and utility corridors.

When a building's connection to the city sewer fails, repairs may require coordination with the city and careful work around other utilities.

Storms and Downtown Flooding

The Loop drains into the combined sewer system, and heavy storms can overwhelm local mains. The April 2013 floods and other major storms caused water problems in some downtown basements and lower levels. Buildings with below-grade spaces, parking garages and mechanical rooms should have protection against sewer surcharges.

Backwater valves, ejector systems and sump pumps are common in larger buildings. These systems should be inspected and tested regularly.

The Chicago Flood of 1992, when river water leaked into the old freight tunnels beneath the Loop, is a reminder that downtown's underground infrastructure is complex and interconnected.

Universities and Student Housing

The Loop is home to campuses and dormitories for DePaul, Roosevelt, Columbia College, the School of the Art Institute and other institutions. Student housing buildings see heavy drain use and frequent clogs from items that should not be flushed.

Building managers benefit from clear resident instructions, prompt response to reported slow drains and scheduled maintenance of stacks and mains.

Institutional facilities staff typically handle campus buildings.

Service in the Loop

Crews serving downtown cover the Loop along with the Near North Side, the Near South Side, the West Loop and Streeterville. When you call, share your address, the type of building and which fixtures are affected. For condos and commercial buildings, let us know about access requirements, insurance certificates and preferred service windows.

For residential clogs, the crew will rod from the most accessible cleanout. For commercial properties and high-rise stacks, hydro jetting and camera inspection are often recommended. Pricing is confirmed on site before work begins.

Parking and building access in the Loop can be challenging. If your building has a loading dock or service entrance, mention it when you call.

Tips for Loop Residents

Living downtown means sharing drain lines with many neighbors. Keep grease out of the kitchen sink, since in a high-rise it collects in the shared stack and can cause backups in units below yours. Avoid flushing wipes, paper towels and hygiene products. If your sink or toilet drains slowly, report it to building management promptly; early attention prevents larger problems that affect multiple units.

If you own a condo, review your association's rules about plumbing responsibility and approved contractors so you know what to do before an emergency.

Coverage in the Loop

Local crews in our network serve the entire Loop, from the river on the north and west to Congress Parkway and Roosevelt Road on the south and the lakefront on the east, including the Printer's Row edge, the Theater District, LaSalle Street and the Millennium Park and Grant Park area. When you call, share the building name and the best entrance for contractors.

Retail, Offices and Food Halls

State Street's department stores and shops, the office towers along LaSalle and Wacker, and the food halls and quick-service restaurants that serve the daytime workforce all place steady demands on building drain systems. Office buildings with shared kitchenettes on each floor accumulate coffee grounds and food waste in their branch lines, while food halls combine multiple kitchens on one system. Scheduled cleaning keeps these buildings running smoothly during business hours, when a backup can close restrooms or halt food service for thousands of people.

Frequently Asked Questions