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24/7 Drain Cleaning & Sewer Service in Madison, WI

Madison squeezes its downtown and oldest neighborhoods onto a narrow isthmus between Lake Mendota and Lake Monona, and the old houses there, many rented to University of Wisconsin students, sit on high groundwater and century-old laterals that the long winters and wet springs keep testing.

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Houses and pipes in Madison

The isthmus neighborhoods, including Marquette, Tenney-Lapham, Mansion Hill and the blocks around the Capitol, have homes from the 1850s through the 1920s, with basements and clay laterals.

Neighborhoods around the UW campus, like Langdon, Bassett and Regent, have many old houses converted to student apartments.

Vilas, Dudgeon-Monroe, Westmorland and the near west side have bungalows and period revival homes from the 1910s through the 1940s.

The far east and west sides filled in from the 1950s onward with ranches, split-levels and newer subdivisions.

The isthmus sits between two lakes with a high water table, and the 2018 floods put parts of the east side under water.

Who handles what in Madison

The City of Madison Sewer Utility maintains local sewers, and the Madison Metropolitan Sewerage District runs the interceptors and Nine Springs treatment plant. Madison homeowners are responsible for the lateral from the house to the city main.

Drain problems Madison homes see most

ProblemWhy it happens here
Heavy use in student rentalsLangdon, Bassett and Regent
Roots in clay lateralsVilas, Dudgeon-Monroe and the near east side
High groundwaterThe isthmus and near the lakes
Frozen linesLong Wisconsin winters
Basement backupsOlder homes with floor drains
Grease and wipesBusy kitchens

Madison drains through the year

Spring thaw and summer storms raise lake and groundwater levels and load sewers, and roots grow fastest in summer. Late August move-in fills campus rentals.

Winters bring weeks below freezing and occasional deep cold that freezes pipes in porches, basements and exterior walls.

What drain cleaning costs in Madison

JobTypical range
Sink, tub or toilet cleared$135–$280
Main line cleared from a cleanout$205–$455
Root cutting$265–$605
Hydro jetting$345–$830
Sewer camera inspection$140–$285
Frozen pipe thawing$195–$490

Newer far west and east side lines go quickly. Crowded campus houses, century-old clay and frozen pipes take longer.

Before the plumber arrives

  1. 1

    Get housemates to pause

    In a student flat, one person running the dishwasher can make it worse.

  2. 2

    Renting near campus?

    Call your landlord; Madison leases usually make them responsible for the lateral.

  3. 3

    Below zero outside?

    A sudden stop during deep cold may be ice, not a clog.

  4. 4

    Find the cleanout

    Usually low on the front basement wall.

The isthmus

Madison's downtown and its oldest neighborhoods sit on a narrow strip of land between Lake Mendota and Lake Monona. Marquette, Tenney-Lapham and Mansion Hill have Victorian homes and worker cottages, many with basements. The water table here is high, and cracked clay laterals take in groundwater, especially when the lakes are up. In August 2018, record rain flooded parts of the isthmus and the near west side.

Campus rentals

Langdon Street's old mansions, many now fraternities and apartments, and the blocks of Bassett, Regent and Mifflin are packed with students. Old houses with eight or ten residents send heavy loads through century-old laterals. Hair, grease, wipes and party debris cause most backups. Madison's August 15 lease turnover is the busiest day of the year for landlords, and those who jet lines beforehand avoid many September calls.

Vilas and Dudgeon-Monroe

Vilas, Dudgeon-Monroe and Westmorland, on the near west side near the Arboretum, have bungalows and period revival homes on tree-lined streets. Clay laterals under big oaks and maples fill with roots.

A typical Madison call

In early September, six students in an 1890s house on Mifflin Street find the basement shower drain overflowing. The plumber opens the cleanout and pulls out hair, wipes and roots about twenty feet out. The camera shows cracked clay sitting in groundwater. The owner books a liner during winter break.

Wisconsin winters

Madison winters are long and cold, with stretches below zero. Pipes in enclosed porches, unheated basements and exterior walls freeze first. Keep the basement heated and leave a faucet dripping on the coldest nights. A frozen lateral should be thawed carefully with steam or warm water, never an open flame.

The near east side

Williamson Street, Atwood Avenue and the neighborhoods along Lake Monona's north shore have cottages and duplexes from the late 1800s and early 1900s. Old laterals, big trees and high groundwater near the lake and the Yahara River are common challenges.

Postwar and newer neighborhoods

Madison's far east and west sides filled in from the 1950s onward with ranches, split-levels and newer subdivisions. Older ones have cast iron and clay; newer ones have PVC. Calls there are mostly grease, wipes and the occasional frozen garage line.

Lakes and storms

Madison's lakes are connected by the Yahara River, and when heavy rain raises lake levels, groundwater rises across the isthmus and near the shores. Sewers can surcharge, and basements can take on water. A backwater valve and a sump pump help.

Restaurants on State Street

State Street, the Capitol Square, Williamson Street and Monroe Street have many restaurants in old buildings. Badger football Saturdays and the Saturday farmers market bring huge crowds. Kitchens there stay open by pumping grease traps on schedule.

Ice and snowmelt

When a deep snowpack melts in March, water soaks into thawing ground and runs into basements and cracked laterals. Sump pumps work overtime, and drains can slow until the ground dries.

Snow piled against the house from shoveling and plowing melts right next to the foundation, so moving those piles a few feet away helps keep water out of the basement.

Mansion Hill and the old downtown

Mansion Hill, just north of the Capitol along Lake Mendota, has sandstone and brick mansions built by lumber barons, judges and politicians in the 1850s through the 1880s. Most have since been carved into apartments and offices. Their sewer connections are among the oldest in the city, often a combination of original clay, later cast iron and modern repairs, and they now serve far more people than they were built for. Owners who put a camera down the line every few years tend to catch root intrusions and cracks while they are still small and inexpensive to fix.

Monroe Street and Regent

Monroe Street and the Regent neighborhood, between campus and the Arboretum, mix faculty homes, student rentals and small shops. Big terrace trees and clay laterals make roots the most common cause of backups, and Camp Randall football Saturdays bring heavy use to houses that host game-day crowds.

Helpful details

Share the neighborhood, the home's age, whether it's a student rental and how many people live there. Mention whether it's below freezing or whether a storm or thaw came first.

Madison ZIP codes

  • 53703
  • 53704
  • 53705
  • 53706
  • 53711
  • 53713
  • 53714
  • 53715
  • 53716
  • 53717
  • 53718
  • 53719
  • 53726

Madison drain questions

Who handles sewer in Madison?+

The city's Sewer Utility maintains local sewers and MMSD runs the regional system. Your lateral is yours.

Why do houses near UW back up so often?+

Several students in an old house push a lot of hair, grease and wipes through laterals that are often a century old.

Does the high water table on the isthmus affect sewer lines?+

Yes. Groundwater seeps into cracked laterals, especially in wet springs and after heavy storms.

Is a camera inspection worth it before buying in Madison?+

Yes, especially on the isthmus and near campus.

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