The note can be received from a Megaton settler, or it can be found pinned to every door in Megaton during Holy Water, including the door to the Lone Wanderer's house and the Megaton front gate. Rosa Meitner also has one.
Good people of Megaton, your salvation is at hand!
We are the Apostles of Eternal Light. To heal this wounded city, we are willing to provide any and all supplicants with cleansing holy water.
Come to our monastery in Springvale, and Brother Gerard will minister to your every need.
We will give unto him that is athirst of the fountain of the Water of Light.
PC Playstation 3 Xbox 360 Everytime the Megaton cell is reloaded, another one can be found pinned to the door of the player character's house, even when the player character has taken and completed the Holy Water quest. On the PC, this can be remedied once the quest is finished by use of the console. Enter prid 006eb7 and enter, followed by disable and enter. This will permanently disable all of the interior Megaton pamphlets and prevent them from respawning. [verified]