Missouri · Open territory
Sewer Pipe Lining in Missouri
Missouri's two big cities sit at opposite ends of the state on opposite kinds of ground, Kansas City on expansive clay and loess, St. Louis on karst limestone, and both run combined sewers under century-old neighborhoods. This page covers what fails in Missouri laterals, who owns the pipe under the street, and how it gets rebuilt from inside.
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What is in the ground in Missouri
The median Missouri home dates from the mid-1970s, but Kansas City, St. Louis, St. Joseph, Springfield, Columbia and the river towns were built between 1880 and 1930 on vitrified clay laid in short sections with a mortar joint at each bell, laid deep and connected, in St. Louis and Kansas City, to combined sewers that still carry sewage and stormwater together under the older half of each city. The postwar suburbs that filled Independence, Raytown, Overland Park's Missouri cousins in Lee's Summit and Blue Springs, and the St. Louis County ring from Florissant to Kirkwood used clay, concrete and no small amount of Orangeburg fiber pipe through the 1950s and 1960s, with cast iron under every basement floor. Basements are the norm, so the lateral leaves below the basement floor and runs deep. Houses built since the mid-1970s, in St. Charles County, the Northland and the Springfield and Columbia rings, have PVC laterals that fail at a fitting or a belly where the lot was built on fill or on moving clay.
Soil, water and weather
Kansas City and the western half of the state sit on loess, wind-blown silt that erodes and settles, over glacial till and shale that weathers to expansive clay; laterals there bend into bellies, open at the joints and shear at the foundation as the ground moves. St. Louis and the Ozark half of the state sit on limestone and dolomite riddled with karst, where sinkholes and solution cavities drop sections of pipe and where bedrock close to the surface makes a trench a rock job. The frost line runs about two and a half to three feet, enough to heave shallow joints and end the comfortable digging season in December. Missouri gets forty inches of rain and its share of violent spring storms, and the combined sewers in St. Louis and Kansas City surcharge after them, which is why both cities operate under long-term federal consent decrees, MSD's Project Clear and KC Water's Smart Sewer, that have made the utilities attentive to private laterals leaking groundwater into their systems. Roots from the silver maples, pin oaks, sycamores and ash planted along every older Missouri street fill clay joints in the usual way.
What shows up on Missouri camera inspections
- Roots from silver maple, pin oak, sycamore and ash in the joints of century-old clay laterals in Kansas City, St. Louis and the river towns
- Bellies, offsets and sheared joints from loess settlement and expansive clay across the western half of the state
- Karst sinkholes and limestone bedrock dropping or trapping pipe around St. Louis and the Ozarks
- Orangeburg fiber pipe collapsing under 1950s-60s subdivisions in St. Louis County, Independence and Raytown
- Spring basement backups from surcharging combined sewers and groundwater infiltration
- Deep basement laterals that make any open-cut repair a braced excavation, and frost that ends the season in December
Which trenchless method fits
The camera decides. A line that still holds its shape is a lining job; a line that has been crushed, has lost its slope or has collapsed is a replacement job; a single bad joint in an otherwise sound run is a spot repair. Here is what each one does and where it stops being the right tool.
Sewer Pipe Lining (CIPP)
A resin-saturated liner cured inside the old sewer becomes a jointless new pipe, installed from a cleanout or manhole with nothing dug up.
Best for: Root-filled clay joints, scaled cast iron under a slab, cracked concrete or Orangeburg that still holds its shape, and any line under hardscape, a building or a mature tree.
Pipe Bursting
A bursting head splits the old pipe underground and pulls a new fused polyethylene line in behind it, between two small pits.
Best for: Crushed, deformed or collapsed pipe, severe offsets, undersized lines that need a larger diameter, and Orangeburg that has gone oval.
Sectional Point Repair
A short liner, two to twelve feet long, cured over one defect, leaving the sound pipe on either side alone.
Best for: One cracked joint, one offset, one root intrusion or one leaking connection in an otherwise sound line.
Storm Drain Lining
Cured-in-place and spin-cast lining for corrugated metal, concrete and clay storm pipe, culverts and roof drains, without closing the road or the parking lot.
Best for: Corrugated metal pipe rusted through at the invert, concrete storm lines with open joints, roof drains and parking lot drainage under slabs.
Who owns the pipe, and who issues the permit
Across Missouri ownership and upkeep of the sewer lateral sit with the property owner service line from the building to its connection with the public main, including the portion in the right-of-way; KC Water, the Metropolitan St. Louis Sewer District, Springfield's Clean Water Services, Columbia Utilities and the suburban municipalities all treat the lateral as private to the main, with their own standards for the connection. MSD and several St. Louis County municipalities run lateral repair programs funded by a small fee on the sewer bill, and a number of Missouri cities require a lateral inspection at the point of sale, so it is worth asking the utility what help or rules apply before scoping the work. A plumbing permit from the city or county covers the private side, pulled by a licensed plumber or drainlayer; opening a pit in the right-of-way means a street-cut or right-of-way permit as well; and Missouri 811 must be notified before any excavation. Lining from the basement cleanout avoids the deep trench, the rock and the street permit together.
Finding a lining contractor in Missouri
Missouri does not yet have a verified installer listed on this site, which is why the number on this page rings the national line. Call it or send the form with the property address and what the camera or the symptoms are showing, and we will locate a qualified trenchless contractor near you and make the introduction; there is no charge for that. If you are a Missouri lining contractor with five or more years in business and a strong Google rating, the territory is open: apply to be listed.
Estimates are free. Call now. (855) 804-1434
Where lining is in demand across Missouri
The pipe problems described above are concentrated in the older cities and the postwar suburbs around them. The communities below are the ones Missouri property owners ask about most, and the same methods apply everywhere in between.
A straight answer about your Missouri sewer line
A Missouri lateral threaded with roots but still round is a lining job; one that has sagged into a belly over settling loess or dropped into a karst void is not, and from the floor drain the two backups look identical. The camera sorts them out, marks each fault above ground with its depth and leaves you the recording. Ask the utility about its lateral repair program before anything else; then the written proposal lays out the method, the footage, the price and the reasons the alternatives were rejected.
Estimates are free. Call now. (855) 804-1434
How a job runs
Camera first. Always.
A sewer quote given without video is a guess, and guesses are how homeowners end up paying for a liner that was never going to fix the problem. Here's the sequence we follow on every job.
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Step 1
Camera inspection, recorded
A self-leveling camera runs the full line from the cleanout, manhole or roof drain to the main. Every crack, offset, root mass, belly and connection is logged with its distance, and a locator marks each one on the surface with its depth. You get the recording.
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Step 2
Cleaning to bare wall
A hydro jetter, with chain cutters or a descaler where cast iron or roots call for them, strips the pipe to its original surface. The camera goes through again afterward, because a cleaned pipe tells the truth about its condition in a way a dirty one cannot.
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Step 3
A written scope, with the alternatives
The scope names the method, the footage and diameter involved, the price, the permits and inspections that apply, and the reasons the other methods were set aside. When the right answer is a dig, the scope says so.
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Step 4
Permits and notifications
The installer pulls the plumbing permit, any right-of-way or sewer-authority permit, schedules the inspections the local authority requires and files the utility-locate ticket before anything is opened.
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Step 5
The work, usually in a day
A residential liner typically cures in a few hours; bursting a lateral takes a day or two; a building or municipal reach is phased so no one loses their drains for more than a night. Branch lines are reinstated with a robotic cutter.
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Step 6
Final video, with you watching
The camera goes back through the finished pipe. You see the new interior end to end, and the recording goes in your file along with the warranty and the permit sign-offs.