Natural Features:
* Oasis: This is the most common and likely answer. Oases are formed when underground water sources, like aquifers, reach the surface, creating a small, fertile area with vegetation and water.
* Spring: A spring is a natural outflow of groundwater, often found in desert areas. They can be small, creating a pool or stream.
* Ephemeral Pool: These are temporary bodies of water formed after rainfall, usually lasting for a short period. They can be found in depressions in the desert landscape.
* Desert Lake: Some deserts have permanent lakes, though they are often quite salty due to evaporation. Smaller, freshwater lakes could exist in specific desert regions with unique geological conditions.
Man-made Features:
* Reservoir: A reservoir is a body of water created by damming a stream or river. They are sometimes built in deserts for irrigation or water storage.
* Well: While a well itself doesn't hold a large body of water, the water drawn from it can be used to create a small pool or pond.
To give you the most accurate answer, please tell me more about the specific context! For example:
* Is this a real-life scenario or a fictional one?
* What is the purpose of this body of water?
* What are the characteristics of the desert where it is found?
With more information, I can give you a more accurate and helpful answer.