Sewage Cleanup

Sewage damage is the most dangerous form of water cleanup. The possibility of blood-borne pathogens and other contaminants is high. The following are basic instructions for handling a sewage water loss. It is strongly encouraged that a technician take a certification course such as Water Restoration Tech BEFORE attempting this kind of water damage cleanup.


  1. Advise any occupants that they should leave/evacuate the space.
  2. Inspect and identify any possible hazards that might be in the environment. Identify if electricity is going to be a hazard and/or if there are any safety or health hazards in the affected area.
  3. Technicians must use proper personal protective equipment (PPE). Each person should be working with proper skin protection (Tyvek coveralls), hand protection (exam gloves and/or leather gloves), goggles, and respirators. Rubber boots should also be worn over the top of coveralls.
  4. Identify, repair, and/or eliminate the source of the sewage and water.
  5. Containment may need to be set up to limit the risk of secondary damage to unaffected areas of the location.
  6. Pump out the water and sewage. Check with local municipalities to identify if there are any restrictions concerning the disposal of these materials.
  7. Determine if materials can be decontaminated or if they must be removed and replaced.
  8. Check other systems (HVAC) for damage and determine what cleaning and repairs will need to be done to those systems.
  9. Using a pump-up sprayer or ULV fogger, apply PRS Water Damage PreClean to all affected areas. This will help treat any dangerous bacteria that might have entered the environment.
  10. Remove all unsalvageable materials from the space, including the carpet, pad, affected drywall, and other items that have been contaminated. Use caution when removing contaminated materials to ensure that cross contamination is not taking place.
  11. Dry the area as per requirements (See Drying Category 3 Water Losses for more information).
  12. After drying, treat all salvageable items that will remain with a complete and thorough cleaning followed by PRS Water Damage Post Clean.
  13. Hard surface items, such as sub flooring, joists and studs, should be treated with a preventative coating.
  14. Repair and reinstall items and areas that have been cleaned and sealed.

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  1. Fiberlock AfterShock Fungicidal Coating

    AfterShock is an EPA-registered antimicrobial coating designed to kill residual mold and mildew remaining after pre-cleaning contaminated surfaces. AfterShock also inhibits the future growth and spread of mold and mildew on the cured film surface.

    • For use on interior surfaces
    • Durable and easy to apply
    • EPA-registered (EPA Reg No: 73884-1)
    • 10 year warranty
    • Kills and prevents mold and mildew

    Starting at: $65.09

  2. PRS Water Damage Postclean

    Ideal for all levels of water damage, even black water, PRS Water Damage Post Clean uses spore strains and bio-based cleaning technology to digest odors and soils.

    • Ideal for all water damage, even black water
    • Non-toxic and biodegradable
    • pH: 6.9–7.9
    • For use on porous material
    • Dilute 1 gallon to 1 gallon of water

    Starting at: $46.13

  3. PRS Water Damage Preclean

    PRS Water Damage Preclean is a biological based initial treatment for water damage claims, even black water losses. PRS Water Damage Preclean digests odors and soils, including those from fecal matter and urine into water and carbon dioxide.

    • Works fast to remove odors
    • Coverage of 400 to 1,000 sq ft per gallon
    • pH: 6.9–7.9
    • Non-toxic and biodegradable
    • Variable dilutions

    Starting at: $53.60

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