Not to go against what builderfag anon says, but these look more like components for a few large diesel generators in my opinion..

Pic related, the pipes coming out look to be exhausts with flappers on top, and the grates look to be air intake/exhausts..

>>7104261

Best guess….

Outdoor electrical outlet of some sort… not sure what style they use though..

>>7104502

I’ve noticed that too, some sort of sewage treatment?.. looks fucking nasty whatever it is though..

>>7104502

>>7104684

It even stained the surrounding bank…

>>7104726

And the penguin Nader.. all gross..

>>7104824

My bad.. kek

>>7104899