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 78238 78240.

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 Leon Valley 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.
Plastic barriers seal off the affected area, and HEPA air scrubbers create negative pressure so contaminated air does not drift into clean rooms.
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.
Anything porous that absorbed sewage, like carpet, drywall, and insulation, is removed and bagged.
Concrete, framing, and tile are cleaned and disinfected with EPA-registered products at the correct dwell time.
Air scrubbers and odor treatments clear the smell so it does not return once the area dries.
Some contractors use ATP surface testing to confirm cleaning worked. Then drying equipment runs until materials read dry.
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.
Containment goes up first, then the pro maps the contamination and provides a written quote.
Sewage and damaged materials come out, everything is sanitized and dried, and you will be pointed to a plumber if the line needs work.
Raw sewage is a health risk. Get a protected crew out fast.
Our main line backed up into the basement. They sealed it off, suited up, removed everything contaminated, and the smell was completely gone.
Carmen E.Main line backup, basementHonest about what had to be thrown away and why. I appreciated the explanation.
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.
Small, contained jobs may be fine. For large backups or vulnerable family members, staying elsewhere is often safer.
A very small hard-surface spill can be cleaned with gloves, boots, and a disinfectant. If sewage reached carpet, drywall, or a large area, professional cleanup is the safer choice.
Often only with a sewer backup add-on. Your agent can tell you what your policy includes.
Tree roots, grease clogs, damaged pipes, and city sewer overloads are the usual culprits.
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.

Calls from Leon Valley and zip codes such as 78238 78240 are routed to local biohazard-equipped pros.
See nearby cities in the list below.
