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[Dwarfy McOwen]

I've embarked on a pretty awesome site. I've got coal, copper, iron, crap loads of wood, soil for farming, lots of passing boar to hunt or tame.. Oh AND I embarked literally 1 tile from the edge of a cliff with a waterfall. Nice lil waterfall. I've got a sliiiight problem though.. The waterfall falls into a stream (so what? That's normal) and is slowly flooding it, slowly flooding the ground levels of my map and eventually, any hope of migrants or caravans or sieges arriving unless I'm going to allow them to arrive on top of my fort, at the top of this 'ere beautiful cliff that parallels another kinda like a fissure. I've settled into the side of the first cliff (with the waterfall) and built a little bridge across for wagons on that flooding level to come up through... If I can sort out that flooding problem.. It's also killing all of my nice lil fishes.. After they tail-slapped a few of each other to death of course. But yeah. Back to the prob, Bob. My map is slowly flooding and after just one season, almost a quarter of that lowest level has some water on it now... I was looking forward to a long-lasting game so someone PLEASE tell me there's some way to maybe go all moses and push the tides back OR AT LEAST reassure me and tell me the water will flow off the map and I'll only have to sacrifice that bottom ground level... Please.. *Cries inside*

[aelystur]

try digging a hallway under the affected area int eh rock to the edge of the map, then carving a fortification in the edge of the map rock tile. once your drain pipe is carved you can dig up to where the flood is. i have heard about a minecart system for ridding of unwanted water, but i haven't any personal experience with that.

[Dwarfy McOwen]

Phew.. That did the job.. Dug out 3 possible escape routes in case my dwarves got caught down there too. Al those trees and whatever down there should be safe now (once the  water has dried) so those elves better bloody love me after I did so much to save all that nature. Cheers Bub

[Skorpion]

Can you post the embark data?

I've had big waterfalls, but not one that actively floods everything.

[Airgeoff]

Was the stream or river on the bottom level still frozen?  I've heard of situations before where this would mean the waterfall keeps falling and there's no river in which the water can go,  hence it floods.

[Rommel459]

I once had an embark with multiple biomes that did that, one of the biomes intersected with the river in a valley,it froze the water in the valley a bit earlier and thawed a bit later than the rest of the river, and flooded the plains on upriver from that section. took me a year to even notice, and 2 more years to fix.

[gunpowdertea]

The water in the stream is pressurized (or was, in an earlier version) to the top level of the waterfall. Unexpected, eh? I did lose the fort to that, but reembarked and was more careful the second time. I love waterfall embarks, they make for stunning scenery! (recently I tried to avoid embarks with flowing anything because FPS death...)

[Diamond]

+1 for embark data
Please export the world gen parameters
I also hope its on .06

[mirrizin]

So, you've got a site with a naturally-occurring floodplain.

That's actually kind of cool. Cheers! 

[khearn]

I've got a very interesting waterfall situation. There is actually a circular loop of streams. It's like this (scale is one character per embark tile):


  ║ 
  ╠╗
  ╚╣
   ║

The red areas of the stream are 8 z-levels above the white, with waterfalls where it goes from red to white.. Water flows in from the north and out to the south. Note that red section on the northeast part of the loop. It has no water source, yet it has waterfalls at both the west and south ends. It started out with 7/7 water and as soon as I started, the water flowed down off both ends (taking 3 otters to their deaths), and it emptied itself. When it rains, it gets up to 1/7 or 2/7 of water, but then it dries out again when the rain stops.

I removed the ramps from the dry stream side next to the island and built a wall along the top, to give myself a nice, isolated circle of land with a (usually) dry moat on the NE side, and 8 z-level deep moat around the rest. I've got drawbridges at each cardinal point, which all raise via the same lever to button it up, yet still allow my dwarves to retreat quickly, no matter where they are.

It's kinda nice, but that dry stream section is really odd.