Well

Provides a place for you to refill your watering can.
Overview
The Well is a farm building purchasable from 
Interacting with the Well while holding a Watering Can refills it as if the player were standing next to water. This makes the Well useful on farms where direct access to ponds, rivers, or other water tiles is inconvenient, especially early on or on layouts where paths and crops make reaching water a hassle. It serves the same basic purpose as a nearby shoreline or pond for watering-tool refills, but without requiring the player to leave the farm.
A few practical points make the Well most useful when placed with farm layout in mind:
- It is best positioned close to crop fields, since it mainly saves travel time when watering large planting areas.
- Because the refill works simply by interacting with the building, it can be used whenever the Watering Can is equipped.
- The Well is a utility building rather than a production building; it does not generate items or provide passive resources on its own.
- Its value is greatest in the early and midgame, before watering automation or more advanced farm infrastructure reduces the need for manual refills.
The Well is one of the simplest farm conveniences in Stardew Valley, but it can make daily watering noticeably smoother by reducing how far the player has to go to refill tools.
Official description
Provides a place for you to refill your watering can.