Wheeler
It looks like a set of blades and a good cleaning,
plus a little oil and grease would fix the top.
Then pull the well and put new seals and leathers,
AHH wind powered water.Should not be hard.
It looks like the furling mechanism failed in a high wind and scattered the blades.[Rope broke ?]
later
Elvin
ps if i'm looking at it right that is a 40 ft tower