Property rights questions

[loose passive]

What am I "free" to do with my land?






Under your ideal politcal system how would you answer these questions?

I have a plot a land that I rightfully purchased from the previous owner who was the legal owner of said property.

Example 1.
On this land I want to dig a hole to put a pool in.
Can I legally do this?

Example 2.
On this land is a river that starts somewhere off my land and ends somewhere off my land. I want to dam this river to make a large lake for me to swim in and water my crops with.
Can I legally do this?

Example 3.
The land I own includes some marshland. I want to fill in the marshland to make a parking lot to store my cars and rv.
Can I legally do this?

Example 4.
I want some shade on my property so I erect a giant umbrella but for a few hours each day now your farmland is now in the shade.
Can I legally do this?

Example 5.
I want to start selling water. I dig a giant well on my land and then begin to pump out much water as physically possible.
Can I legally do this?