1. Assessment of the spill
A cleanup technician looks at where the sewage came from, which rooms it reached and which materials it touched.
Centennial, CO · Arapahoe County
Sewage & Biohazard Cleanup in Centennial, CO
Sewage in a Centennial basement, garage or crawl space is a biohazard, not a mop-and-bucket job. Call (877) 812-4220. Cleanup technicians remove the sewage, bag the soaked materials and disinfect hard surfaces.
- Answered 24/7
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- OSHA bloodborne pathogen protocols
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If anyone is in danger, call 911 first. For a suicide crisis, call or text 988.
Professional Sewage Cleanup for Centennial Properties
Sewage cleanup is the removal of raw sewage and everything it soaked into, followed by cleaning and disinfection of the affected area. Because sewage carries bacteria and viruses, it is handled as a biohazard.
When sewage backs up in your Centennial property, call Centennial Biohazard Cleanup Help for a crew that treats it as a Category 3 biohazard. The team removes the sewage, discards contaminated materials and disinfects the affected area in Arapahoe County with EPA-registered products.
Most homes in Centennial are owner-occupied, with renters at about 19% of households. Owners usually coordinate cleanup, their insurer and any plumbing repair directly. Housing age varies across Centennial. Whatever the age of the pipe, a backup that reaches carpet or drywall calls for removal, not just drying.
The work often covers:
- Bagging and proper disposal of contaminated materials as hazardous waste
- Sanitizing after sewage reaches concrete slabs, tile grout and unfinished basement walls
- Odor removal and deodorizing after the sewage has been taken out
- Commercial sewage cleanup in restaurants, offices, shops and apartment buildings
- Tear-out of sewage-soaked carpet, padding, drywall, baseboards and insulation
What Happens During Raw Sewage Cleanup in Centennial
2. Protective setup
Crews wear respirators, gloves and suits, then place barriers and signs so people and pets stay out of the contaminated zone.
3. Removal of porous materials
Carpet, padding, drywall and insulation that soaked up sewage are cut out, bagged and hauled away as contaminated waste.
4. Clean, disinfect, confirm
Every exposed surface is cleaned and disinfected, then the team confirms the area is ready for repairs or normal use.
Sewage & Biohazard Cleanup Cost in Centennial, CO
Most sewage & biohazard cleanup jobs in Centennial, CO cost between $1,500 and $10,000, based on published cost guides.
Insurance coverage can change who pays but not the scope. Sewer backup is often covered only by an added endorsement, so owners should check their policy before work starts.
| Type of job | Typical range |
|---|---|
| Most homeowners | $2,000 - $10,000 |
| Typical project | $2,000 - $10,000 |
| Category 3 sewage | $2,500 - $10,000 |
| Category 3 sewage | $7.50 - $7.50 per square foot |
Figures are planning ranges from Bob Vila, Fixr, BioCleaners Directory, Biohazard cleanup company pricing guide, not a price for any specific Centennial property. Price drivers include square footage affected, category of water, porous materials that must be removed, drying time. Call (877) 812-4220 any hour.
Common Questions About Sewage Cleanup in Centennial
How do I clean sewage off concrete?
Concrete is porous, so sewage soaks in. The surface is scrubbed, rinsed and treated with a disinfectant, and the wash water is collected rather than spread. Stubborn odor may need a second round of treatment.
What if the sewage came from a septic tank?
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.
Who pays for sewage cleanup, the landlord or the tenant?
It depends on the cause, the lease and local law. A landlord's policy may cover the building, while a renter's policy may cover belongings. If the blockage was in a public sewer main, the city or utility may be responsible for the repair.
Do plumbers clean up sewage?
Plumbers usually clear the blockage or repair the pipe, but most do not remove contaminated materials or disinfect the space. A sewage cleanup company picks up where the plumber stops, and the two jobs often happen in sequence.
Should I call a plumber or a cleanup company first?
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.
Can carpet be saved after a sewage backup?
Usually not. Carpet and padding soak up Category 3 water and cannot be reliably made safe, so they are cut out and discarded. Hard surfaces, sealed wood and items in closed containers can often be cleaned and kept.
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Need sewage removal in Arapahoe County?
Call Centennial Biohazard Cleanup Help at (877) 812-4220 any hour, including nights and weekends.
Call (877) 812-4220