Plus i heard there can be leakage.

Also, @Aaron K.. said something about leakage. you might wanna check that too.

My leases state "TENANT agrees to notify LANDLORD of any water leakage and/or damage within 24 hours of the occurrence.

Had a couple of plumbers come and quote, and the lowest number came in above $20,000.We have very little knowledge about plumbing and are wondering if spending such a fortunate upfront when no serious leakage has been observed is a good idea.

I wanted to know if anyone has had any experience with buying a home that needed to have an oil tank removed due to leakage into the ground.

In mid Sept when the hurricane rains came the basement has had water leakage coming in and puddling from almost every side of the foundation - twice now.

Recently I am getting a ton of water leakage from the basement door and other areas whenever there is rain.

Form the research I've done, I believe that this exempts me from the Chicago RLTO, although I don't really know a whole lot beyond that.The unit they are living in has recently experienced some issues - a faulty appliance that I replaced in a timely manner, and some water leakage caused by ice damming due to the record snowstorm this past winter (which I am still in-process of fixing). 

Old sewer pipes from house to city were made of clay and can break over time).4. abandoned septic or oil tanks (environmental impact on leakage is huge)There are plenty of others, but these three are major.

I checked for electrical leakage.