You flushed, and the shower drain in the basement started gurgling. Minutes later, raw sewage was coming up through the floor drain and both toilets. This is Category 3 blackwater, loaded with bacteria and viruses, and it is not something to mop up with household cleaners.
Free referral to independent, licensed and insured local pros. Zip codes served include 15216 15217 15214 15212 15213 15210 15211 15218 15219 15290 15233 15260 15232 15205 15204 15207 15206 15201 15203 15208 15282 15224 15234 15222 15221 15220 15226 15120 15230 15240 15250 15251 15252 15253 15254 15255 15257 15258 15259 15261 15262 15264 15265 15267 15270 15272 15274 15279 15281 15286 15289 15295.

Sewage is a health hazard first and a water problem second. A Water Damage is a free referral service that connects you with independent, licensed and insured contractors near Pittsburgh who are equipped for Category 3 blackwater, including protective gear, containment, and hospital-grade disinfectants.
Expect Tyvek-style suits, respirators, and gloves. Contaminants stay in the work zone, not tracked through your home.
Containment walls and HEPA filtration keep sewage odors and particles from spreading through the house.
Each contractor carries independent licensing and insurance. Ask for proof before work begins, especially for biohazard work.
You get a written estimate that covers removal, disinfection, and drying before work starts.

Sewage cleanup follows a strict order: contain, remove, clean, disinfect, verify, then dry. Skipping a step can leave pathogens behind long after the smell is gone.

Liquid sewage and solids are extracted with dedicated equipment and disposed of according to local rules, not dumped down another drain.
Carpet, pad, drywall, insulation, and particleboard that touched sewage cannot be reliably disinfected and are bagged and removed.
Hard surfaces are scrubbed, then treated with EPA-registered disinfectants left on for the full contact time listed on the label.
Air scrubbers and odor treatments clear the smell so it does not return once the area dries.
Cleanliness is checked, sometimes with ATP swab testing, before drying gets the area ready for rebuild.
Tell dispatch which drains are backing up and how far the sewage spread.
A local contractor calls back with an arrival window and reminds you to keep everyone away from the contaminated area.
The pro sets up containment, assesses how far contamination reached, and gives you a written estimate before removal begins.
Contaminated materials are removed, surfaces disinfected, odors treated, and the area dried. The contractor may recommend a plumber to clear or camera the main line.
Stop using water and keep everyone away. Help can be on the way now.
Main line backed up into the basement shower and floor drain. The crew showed up in full suits, sealed off the basement, and cleaned it like a hospital. No smell after they left.
Carmen E.Main line backup, basementThey explained why the carpet and bottom of the drywall had to go. Not what I wanted to hear, but it made sense once they mentioned what is in sewage.
Steve R.Toilet overflow into finished roomI have little kids, so I was worried. They set up an air scrubber and plastic walls so nothing spread upstairs.
Jenna P.Sewage backup, family homeThey recommended a plumber to camera the line afterward. Turned out to be tree roots. Glad we found it.
Omar H.Recurring sewer backup

It is Category 3, meaning grossly contaminated. That category triggers full biohazard protocols.
It depends on the size of the backup and where it is. Small contained areas may be fine with containment in place. Large backups, or households with infants, elderly, or immune-compromised people, often warrant staying elsewhere.
Tiny spills on tile may be manageable with protection. Anything soaked into carpet or walls should be handled by a pro.
Many standard policies exclude sewer backup unless you have a specific sewer or drain backup endorsement. Check your policy with your agent.
Common causes include tree roots in the main line, grease buildup, collapsed or bellied pipes, and municipal sewer overloads during heavy rain.
No. A Water Damage is a free referral service connecting you with independent, licensed and insured local contractors who do the work and bill you directly.

Independent sewage cleanup contractors in the network serve Pittsburgh, PA and nearby zip codes like 15216 15217 15214 15212 15213 15210 15211 15218 15219 15290 15233 15260 15232 15205 15204 15207 15206 15201 15203 15208 15282 15224 15234 15222 15221 15220 15226 15120 15230 15240 15250 15251 15252 15253 15254 15255 15257 15258 15259 15261 15262 15264 15265 15267 15270 15272 15274 15279 15281 15286 15289 15295.
Nearby cities are listed below.
