Dirty water (Fallout 4)

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For other articles about water, see water.

Dirty water is a consumable item featured in Fallout 4.


A carton of plain river water, contaminated by radioactive fallout. Typically one would only drink this in an emergency.

At a cooking station, dirty water can be used to make various stews and soups, when combined with other ingredients. Three cartons of dirty water can also be turned into one purified water.

At a chemistry station, dirty water is used in the construction of the berserk syringe and Lock Joint syringe ammunition for the Syringer.

Survival modeEdit

In Survival mode, dirty water can be drunk to reduce the Sole Survivor's thirst.

Additionally dirty water can be generated by using the "Fill Bottle" option when they are next to a water site (river, stagnating water...) and they have empty bottles in their inventory. The empty glass containers that can be used are: beer bottles, empty milk bottles, Gwinnett ale bottles, Gwinnett lager bottles, liquor bottles, Nuka Cola bottles, vodka bottles.


  • Seven can be found at Weston water treatment plant: five at the reception desk and two in the room directly behind it.
  • Two can be found on a shelf in the northwest corner in the Railroad HQ near Carrington.
  • Can be sold by food and drink vendors at player settlements. Up to nine can be sold in restaurants.


  • Dirty water is considerably scarcer throughout the Fallout 4 world than purified water.
  • Dirty water is cleaner than any water drank directly from the source.
    • The action of drinking directly from a source grants the player character 3 rads and 5 hp, so a proportional amount needed to heal as much as the dirty water item itself would inflict 12 rads.
  • Glass bottles are used (and consumed) in the "refill" process; the item acquired is the cardboard tetra-pak.

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