Call local utility company for leakage tests.  

And I don't like the leakage involved with the sale of my house.2) Hold current house and use equity to buy 2 SFR or a single MFR REI, outside the state where my dollar will get me properties that will cash flow more readily than here in Portland.

Even if you remove the tank make sure you get a soil test to ensure no leakage.  

We received some heavy rainfall this past winter, and now I have leakage around my chimney.  

Basic typically includes the following: Fire, Lightning, Explosion, Wind/Hail (but not Named Storm/Hurricane), Smoke, Aircraft and Vehicles, Riot or Civil Commotion, Volcanic Action, Sprinkler Leakage, Sinkhole Collapse, Vandalism/Malicious Mischief.The DP3 is also known as Special Form and that gives you coverage for any physical losses not specifically excluded in the policy.

Last day I went to check what's wrong and they told me that there's slight leakage in the basement and it needs to be fixed soon.  

Fist of all I will check if there are any leakages from your negligence of maintenance.

There have been minor leakage issues in the past and some minor weather damage issues as well that I can probably leverage off of to bolster the case for expense characterization. 

Closing is set for this Tuesday but there's some evidence water leakage in the garage where the furnace metres the ceiling.

I'm a tenant whose apartment (HUD subsidized) unit has seen leakage of water (probably due to leaky pipe) on the floor from the wall in the living room due to rain.