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v0.31:Well
| This article is about an older version of DF. |
Wells are structures that provide access to a water source for your dwarves. A well can be an important feature of a fortress, providing a clean and usually safe water supply compared to rivers, pools and cavern lakes.
Wells provide an emergency drinking source in case the alcohol runs out (don't let that happen!). A well is a water source that (if constructed correctly) will not freeze in the coldest weather, and should last in hot. Water from a well will still be considered stagnant unless the contaminants are removed with a grate[Verify]. Build a wall grate into your inlet to remove contaminants. Enemies that can swim can and will path into your fort through a well. Grates will not stop building destroyers.
A well constructed above-ground, even indoors, will not prevent the water tile beneath it from freezing. When this happens, the "empty space" requirement for the well is no longer met as the space is occupied by the ice, and the well will be dismantled into its original components. Using the well (10 times) will take a small amount of water from the water tile below (1/7 from that one tile), so it will eventually dry up if not replenished. A well can be defined as a meeting area with the q key. Un-defining the meeting area will break up any party that is currently formed around a well, and it can immediately be re-defined if you wish.
Using a well provides that dwarf with a happy thought, especially if you make the well with high-quality chains and buckets, or the building designer produces a high quality result. Drinking stagnant water from a well will still lead to a bad thought. Badly wounded dwarves will drink only water while recuperating, never booze, so you better have a well or water zone ready for when anyone gets injured, and certainly before the first goblins show up. Ensure you have enough buckets as well, injured dwarfs will not go to the well themselves even if it is next to their hospital bed, but require someone to bring them water in a bucket. Dwarfs can (and will) fish from a well if that labor is designated. This does not harm the well.
Dwarves will use the well to wash themselves. This means that if dwarves are exposed to contaminants such as blood, it may accumulate around your well. Deadly contaminants from Forgotten Beasts can and will accumulate around your wells, too. Wells in highly trafficked areas can become death traps this way, quickly spreading the syndrome to your entire fort. One approach to decontamination is to build wells off the beaten path, in a nook limiting access to one tile, and placing a drawbridge atom smasher over that tile. Whenever a dwarf leaves a mess by a well, lock the access doors and smash that mess with a bridge. Another approach involves flooding the area around the well and draining the excess water off screen somehow. Removing the contaminants from the map is the only sure way to deal with them permanently and stop them from killing your FPS, and your dwarfs if they are deadly.
Building a well
When constructing a well, it is important to consider placement, safety, the source of the water, and any Template:L to avoid flooding your fortress by accident. For a wider discussion of adding a well to your fortress, see the (recommended) Template:L.
Wells must have a clear vertical pathway straight down to their water source. That source can be an artificial channel, an aquifer, a river, a brook, a lake, or an artificial reservoir, so long as it has water in it that's at least 3/7 deep. The water can be any distance directly below the well. If there is 7/7 deep water somewhere directly below the well, then the depth of the top tile of this water does not matter.
The more common well will be created underground and draw water from a source even lower, but above-ground sources can also be used; you just have to build constructions first (typically up-stairs, walls and floors) that provide support at least one z-level above the water's level where you can then place the well.
To build a well you will need the following components:
- 1 Template:L
- 1 Template:L
- 1 Template:L or 1 Template:L
- 1 Template:L
- an 'open space' tile (usually channeled by you) to place the well on
To place a well, press the b, l keys. That will take you through the various components, and you can choose specifically from among the parts you have available in each category. A well needs to be placed over an open space with adjacent floor tiles, there does not need to be water underneath a well for it to be built, only for it to be active.
It requires a dwarf with the Template:L Template:L designated to design, and then a Template:L/Template:L/Template:L to finish the construction. Because it's designed, high-value materials can be multiplied by a high-quality effort on the part of either or both the steps involved, and can result in an extremely valuable piece of architecture for your fortress.
If a well is working properly, meaning it has direct access to water, it will display "active" when examined with q. If there is something obstructing the well, or there is not enough water, it will display "dry". If the well is flooding, it will display "bucket is full of water".
While in use by a dwarf, you can see the actual rope and bucket travel through the z-levels. Nifty!
It is possible to build wells directly above one another, and they will still function if there is water below, they will not obstruct one another, as they are not impassible structures, as evidenced by dwarves falling in. Hatches, floor bars and floor grates will block well functionality, if they are between it and the water, but grates and bars will not stop water from flooding out. Grates, bars and hatches will allow functionality again if opened with a lever. It is perfectly reasonable to have multiple well openings drawing from a single water source, as a well only cares about the tile in a straight line below it. Wells cannot function through a stairwell. It is possible to have obstacles beneath a well, with the well continuing to function, if the surface of the water is above the obstacles.
Removal
When removing a well, the components will generally be scattered around the channeled tile, not fall down into the well. One exception is when the bucket is stuck somewhere on the way down which probably happens when a water hauling job is interrupted by a hostile creature. In this case the bucket will drop down into the water source, but the rope, block and mechanism are saved.
| Rooms |
Barracks • Bedroom • Dining room • Dormitory • Jail • Meeting hall • Hospital • Office • Sculpture garden • Tomb • Zoo |
|---|---|
| Furniture |
Animal trap • Anvil • Armor stand • Bed • Bin • Box • Bucket • Cabinet • Cage • Coffin • Restraint • Seat • Statue • Table • Weapon rack |
| Access | |
| Constructions | |
| Machine & Trap parts |
Axle • Gear assembly • Millstone • Screw pump • Water wheel • Windmill • Lever • Pressure plate • Trap • Support |
| Other Buildings | |
| Related Articles | |