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    wicklinematson's Avatar
    wicklinematson Posts: 1, Reputation: 1
    New Member
     
    #1

    Jan 11, 2010, 07:55 PM
    How can you tell if dead animal or sewer smell?
    I have spent a couple of hours looking at posts and trying to decide if I have a septic problem or a dead rat under my bathroom floor in the crawl space.

    We have had a rodent problem in our attic and in our crawlspace and have put poison in both areas. We killed one critter in the attic, smelled the result in our bedroom and removed a dead rat from the attic. We are trying to figure out if we have another dead rat in the crawl space or if it is a plumbing/septic issue. There is a distinct odor coming from a utility bathroom off the kitchen. We went into the crawl space to find the decaying animal and couldn't find anything on the ground or in the area we suspected. There is insulation on the bathroom floor that appears to be "disturbed" but we couldn't find anything in the insulation. We didn't tear it down but can do so if we need to. The smell has been with us for about two weeks now.

    I am wondering if there is a distinct difference between a SEWER SMELL and a DEAD ANIMAL SMELL... I don't want to start ripping down insulation if it is a septic issue. How can I rule out one or the other? I have noticed an increase in flies in the house which seems odd. Does this point to a dead animal vs. a septic issue?

    I am stumped!
    Just Dahlia's Avatar
    Just Dahlia Posts: 2,155, Reputation: 445
    Ultra Member
     
    #2

    Jan 11, 2010, 10:48 PM
    If it's a dead rat it will stop smelling eventually. If it has been two weeks, and animal smell might be diminishing.

    The sewer might never go away, unless the problem is fixed.

    I have smelled many dead rats in walls of a building I used to work in and the smell went away after a couple of weeks. It was pretty gross at the time:rolleyes:
    Catsmine's Avatar
    Catsmine Posts: 3,826, Reputation: 739
    Pest Control Expert
     
    #3

    Jan 12, 2010, 03:43 AM

    Flies are not a clue. They're just as happy with sewage as a carcass. Pull the insulation, and while you're in the crawlspace, look for wet spots which would indicate leaks in either water or sewage lines.

    Two weeks is an extremely long time for carrion to continue smelling. 3-5 days is more normal. Change the filters on your air handler to make sure you haven't been recirculating the odor.

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