What, no brown lakes? In Finland there are 121 lakes called "Paskalampi", lit. "Shit Lake".
https://www.openstreetmap.org/search?query=paskalampi#map=18...
Then again, at least this is more descriptive than the 13 called Vesijärvi, or "Water Lake".
https://www.openstreetmap.org/search?query=paskalampi#map=18...
Then again, at least this is more descriptive than the 13 called Vesijärvi, or "Water Lake".