Assertion: septic tank's cover | /r/HasProperty | no signs of collapse risk
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text: Experts generally agree that there are a number of inspection points including the septic tank sludge and scum layer thickness that determine that septic tank pumping is needed (or not) but that there are other inspection points that are very important such as evidence of backup, damaged baffles, tank flooding or septic tank leaks, and of course septic tank safety: safe covers, no signs of collapse risk, etc.