Was it really dark there? And were you hand holding the camera?
Do you have a tripod? If you don't you might want to think about getting a good one so you can do this type of shot with a lower ISO (to limit the amount of noise in the image) and slow shutter speed and still have a nice, sharp image.
yeah it was pretty scary standing there looking into this black abyss of nothing and that drain was at the bottom of a huge hill so carrying my tripod was kinda out of the question and not to mention i was trespassing to begin with haha and yeah im really undecided about the color vs. B&W, I really like both so i have no idea