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Dirty water is the most common type of water found in the wasteland. It is drawn from the tainted lakes, rivers, and puddles. Unlike purified water, this will give radiation, which can be cured for a fee by a doctor or through RadAway.
Purified water is water that has been purged of any radiation, making it one of the only "clean" sources of water in the wasteland. It is not quite as common in the Capital Wasteland as it is in the Mojave and the Commonwealth, but the water is still rather common, often being found in first aid kits and more advanced settlements.
Aqua Cura is regular irradiated water disguised in an Aqua Cura bottle that Griffon sells in Underworld to cure a plethora of illnesses that ghouls often suffer from. Griffon also takes the real Aqua Pura and sells it to other wastelanders at an inflated price.
Purified water (1)
Irradiated water is a variant of dirty water in Fallout: New Vegas. It has been even exposed to stronger levels of irradiation and thus it irradiates the drinker three times as much as dirty water. A limited amount of bottles can be found and they are mostly located in highly irradiated areas.
Boiled water is a craftable water in Fallout 76.
- In Fallout 3 and Fallout: New Vegas, drinking from standing water such as lakes, rivers and puddles, can restore between 2 and 30 HP.
- In Fallout 4, drinking such water will restore some HP as well as increase the irradiation level of the player character.
Behind the scenesEdit
Each bottle of purified water appears to feature the text "'H²O" hand written on the label on the side of the bottle. This format is incorrect (at least according to IUPAC nomenclature) as in chemical formula numbers are written in subscript, not superscript. If read literally, the chemical formula H²O would mean there is one hydrogen and one oxygen isotope that contains two neutrons (instead of the standard eight). This would leave the oxygen extremely unstable and radioactive with a half life that would be so small that it would not be measurable.