1. Stop the spread
Doors are closed, vents covered and the work area is isolated so contamination stays where it started.
Great Northwest, San Antonio, TX · Bexar County
Sewage backing up into a Great Northwest home or business? Call (877) 812-4220 any hour to get a cleanup team that removes raw sewage, takes out soaked materials and disinfects the affected area.
If anyone is in danger, call 911 first. For a suicide crisis, call or text 988.
Sewage is classed as Category 3, the most contaminated level of water, sometimes called black water. Category 3 cleanup uses personal protective equipment, sealed disposal and EPA-registered disinfectants.
Did a drain, toilet or septic system overflow indoors in Great Northwest? Call Great Northwest Biohazard Cleanup Help. The cleanup team works discreetly, explains each step to you and keeps family members, tenants and staff out of the contaminated zone in Bexar County.
Many homes in San Antonio, about 42%, date from before 1980. Older plumbing is a common source of backups, and older flooring and trim soak up sewage deeply. Renters make up about 48% of households in San Antonio. Tenants should tell the landlord right away, and the cleanup team can provide documentation for the lease and any claim.
A typical sewage & biohazard cleanup job includes:
Doors are closed, vents covered and the work area is isolated so contamination stays where it started.
Sewage is removed from the floor and low areas, and debris, trash and soiled belongings are cleared out.
Carpet, padding, drywall and insulation that soaked up sewage are cut out, bagged and hauled away as contaminated waste.
The crew treats lingering smells, checks air paths and walks the owner through what was done.
Most sewage & biohazard cleanup jobs in Great Northwest, San Antonio, TX cost between $1,500 and $10,000, based on published cost guides.
Materials that must be removed change the scope of the job. Carpet and padding are quick to take out, while soaked drywall, cabinets and insulation add labor and disposal.
| Type of job | Typical range |
|---|---|
| Category 3 sewage | $2,500 - $10,000 |
| Published span | $1,500 - $8,000 |
| Typical project | $2,000 - $10,000 |
| Most homeowners | $2,000 - $10,000 |
These ranges come from published cost guides (Bob Vila, Fixr, BioCleaners Directory, Biohazard cleanup company pricing guide) and are not a quote for Great Northwest. Price drivers include square footage affected, category of water, porous materials that must be removed, drying time. For a real number, call (877) 812-4220.
A septic overflow is cleaned as raw sewage, both inside any affected building and on nearby ground. Contaminated soil, materials and surfaces are handled and disinfected. A septic service may also need to empty or repair the tank.
If sewage is still coming up, a plumber may need to stop the source. If sewage is already on the floor, a cleanup team can start containing it at once. Many property owners call both, and it does not matter much which is first. Sewer backup companies and plumbers often work one after the other on the same job.
Category 3 water is the most contaminated level, and sewage is the standard example. It can carry disease-causing germs and should never be cleaned with household supplies alone. Flood water that touched sewage is treated the same way.
Often only with an added endorsement. Many standard policies treat sewer or drain backup separately from sudden water damage. Call your insurer before cleanup begins, take photos and keep receipts, and ask what they need to see.
Small jobs may be finished in a day, while larger ones with tear-out, drying and odor treatment take longer. The time depends on the area affected and what had to be removed. The crew can tell you what to expect after assessing the space.
Watch for a rotten-egg or sewer smell, wet spots or stains on floors and walls, unusually green grass over a pipe, and multiple drains backing up at the same time. If any of these show up, keep people away from the area and have the cause checked.
See all biohazard cleanup services in Great Northwest, San Antonio, TX →
Describe the backup and the team explains the next safe step.
Call (877) 812-4220